1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 --- --- --- --- --- --- --- --- --- --- --- --- 2 --- --- --- --- --- --- --- --- --- --- --- --- 3 --- --- --- --- --- --- --- --- --- --- --- --- 4 --- --- --- --- --- --- --- --- --- --- --- --- 5 --- --- --- --- --- --- --- --- --- --- --- --- 6 --- --- --- --- --- --- --- --- --- --- --- --- 7 --- --- --- --- --- --- --- --- --- --- --- --- 8 --- --- --- --- --- --- --- --- --- --- --- --- 9 --- --- --- --- --- --- --- --- --- --- --- --- 10 --- --- --- --- --- --- --- --- --- --- --- --- 11 --- --- --- --- --- --- --- --- --- --- --- --- 12 --- --- --- --- --- --- --- --- --- --- --- --- 13 --- --- --- --- --- --- --- --- --- --- --- --- 14 --- --- --- --- --- --- --- --- --- --- --- --- 15 --- --- --- --- --- --- --- --- --- --- --- --- 16 --- --- --- --- --- --- --- --- --- --- --- --- 17 --- --- --- --- --- --- --- --- --- --- --- --- 18 --- --- --- --- --- --- --- --- --- --- --- --- 19 --- --- --- --- --- --- --- --- --- --- --- --- 20 --- --- --- --- --- --- --- --- --- --- --- --- 21 --- --- --- --- --- --- --- --- --- --- --- --- 22 --- --- --- --- --- --- --- --- --- --- --- --- 23 --- --- --- --- --- --- --- --- --- --- --- --- 24 --- --- --- --- --- --- --- --- --- --- --- --- 25 --- --- --- --- --- --- --- --- --- --- --- --- 26 --- --- --- --- --- --- --- --- --- --- --- --- 27 --- --- --- --- --- --- --- --- --- --- --- --- 28 --- --- --- --- --- --- --- --- --- --- --- --- 29 --- --- --- --- --- --- --- --- --- --- --- --- 30 --- --- --- --- --- --- --- --- --- --- --- --- 31 --- --- --- --- --- --- --- --- --- --- --- --- MONTH --- --- --- --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 --- --- --- --- --- --- --- --- --- --- --- --- 2 --- --- --- --- --- --- --- --- --- --- --- --- 3 --- --- --- --- --- --- --- --- --- 41200 28000 33700 4 --- --- --- --- --- --- --- --- --- 43600 25900 32600 5 --- --- --- --- --- --- --- --- --- 43300 27300 34400 6 --- --- --- --- --- --- --- --- --- 42800 28500 34100 7 --- --- --- --- --- --- --- --- --- 44700 27700 34500 8 --- --- --- --- --- --- --- --- --- 44200 29100 35200 9 --- --- --- --- --- --- --- --- --- 42000 26900 32900 10 --- --- --- --- --- --- --- --- --- 41100 27600 32900 11 --- --- --- --- --- --- 45200 34800 39300 41100 29000 34900 12 --- --- --- --- --- --- 41800 32400 36500 41000 30600 34900 13 --- --- --- --- --- --- 39800 30800 35300 40100 29600 34200 14 --- --- --- --- --- --- 42300 33000 38000 --- --- --- 15 --- --- --- --- --- --- 42200 34500 38600 --- --- --- 16 --- --- --- --- --- --- 41800 34500 38500 --- --- --- 17 --- --- --- --- --- --- 41200 33000 36800 --- --- --- 18 --- --- --- --- --- --- 40200 33200 36800 --- --- --- 19 --- --- --- --- --- --- 40900 33700 37500 --- --- --- 20 --- --- --- --- --- --- 42700 35500 38300 41600 32000 36400 21 --- --- --- --- --- --- 41900 35200 37500 46000 33800 38200 22 --- --- --- --- --- --- 40500 34000 35800 45700 35500 39600 23 --- --- --- --- --- --- 38100 32300 35500 45700 34700 39200 24 --- --- --- --- --- --- 37700 31300 33900 45300 33900 38300 25 --- --- --- --- --- --- 38900 30600 34000 43500 33500 37500 26 --- --- --- --- --- --- 39100 30600 33800 43000 31400 36500 27 --- --- --- --- --- --- 36800 30000 33200 45200 33100 38300 28 --- --- --- --- --- --- 32400 25800 28900 47200 34700 40000 29 --- --- --- --- --- --- 31500 25400 28200 45600 36100 40000 30 --- --- --- --- --- --- 30600 26100 28200 44300 34600 39200 31 --- --- --- --- --- --- --- --- --- 43900 33900 38600 MONTH --- --- --- --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 43500 32700 37600 38400 28400 33300 45800 33400 38800 44400 35400 39300 2 44300 32400 37400 38000 28500 33000 44800 34000 38700 44100 34900 39400 3 45500 32300 37400 34800 28100 31900 43900 31800 37300 44200 34500 39200 4 45900 32600 38300 31400 25800 29300 41800 29300 35800 44900 36100 40200 5 48800 33200 39900 31600 24300 27900 41800 28600 35200 45200 36000 40700 6 46800 33000 39700 32000 25700 28500 42500 31800 37100 44100 35000 39600 7 44300 31600 37300 31800 26800 29100 42500 33700 37700 42700 33500 38600 8 42600 29500 35600 32800 28100 30100 43500 35000 39000 42200 32300 37600 9 41400 29500 35200 36700 29100 32100 42800 34100 38500 43000 31000 37500 10 42600 29900 35600 39200 29200 34300 42900 33200 38300 43800 31500 38400 11 39900 30200 34700 41100 29600 36000 41800 33100 38200 43400 33500 38300 12 39500 28800 34200 42100 31900 37200 41200 32300 37600 43400 33000 38400 13 39100 28600 34100 42500 32500 37400 41400 31600 36900 45300 34400 39000 14 39000 27700 33300 42100 33200 37600 41400 30700 36100 47000 33900 39300 15 43000 29800 36500 41700 31100 37100 43500 31000 36600 47000 34200 39500 16 43400 33500 38500 42200 29600 36300 44300 31900 36800 48400 34100 40100 17 42600 33900 37900 44300 30600 37000 46200 31800 37100 48700 34700 41000 18 43300 31400 37000 44900 32700 37800 46500 31500 37400 48400 35200 41000 19 --- --- --- 46600 33100 38400 49200 31900 39400 48400 35000 41000 20 --- --- --- 48600 32900 38800 49200 33500 40300 47800 34800 40200 21 44800 30500 36800 48800 33300 39600 46800 34100 40000 46300 34100 39600 22 43300 29300 35600 47300 32900 38800 --- --- --- 48000 36300 41300 23 45100 27700 35200 45800 32400 37900 45800 33200 39400 44400 34400 39700 24 44300 28900 34900 44700 32600 36500 --- --- --- 44700 34500 39000 25 44300 27500 34400 45500 31500 36900 --- --- --- 43200 34000 38700 26 41000 28600 34100 45800 32900 38600 --- --- --- 43600 34900 39300 27 41800 28800 34500 44300 33800 38300 --- --- --- 43200 35600 39300 28 43900 32300 37300 42300 29300 35600 --- --- --- 39600 32700 36400 29 42500 30200 35900 42200 26700 33900 44500 33300 39000 40200 29700 34700 30 41200 29100 34900 46000 28800 35900 44800 34400 39000 40400 28200 34400 31 --- --- --- 46200 34200 38700 44600 35000 39400 --- --- --- MONTH --- --- --- 48800 24300 35300 --- --- --- 48700 28200 39000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 41500 28900 35700 38300 29800 33900 40900 32500 36200 39800 22700 31400 2 41200 31500 37000 37700 28200 32600 42400 32500 37300 37200 23700 31200 3 42600 33400 37600 38500 25700 32200 43600 32900 37300 38000 23300 30700 4 41700 33400 37700 37200 24100 31400 41000 31600 35700 37100 24700 31500 5 40900 32200 37000 38500 25100 32700 37800 27900 33300 37000 27900 33000 6 41000 32000 36700 40200 27000 34200 39000 27000 33300 39300 28300 33200 7 40400 30400 36300 40000 29800 34700 39300 29800 34100 38900 27200 33300 8 42300 29400 36500 39900 29900 35200 39000 31200 35300 39000 24500 30400 9 42200 29300 36600 39900 32500 36100 40200 31900 35900 35600 23600 29300 10 41200 31300 36700 41600 32300 36800 43300 31600 36700 37100 21300 30200 11 42600 34400 37800 42100 31500 36300 42400 31900 36800 41900 24400 32700 12 46400 35000 39500 42600 31500 36200 44800 31900 37500 42600 27500 34000 13 45500 35900 40200 45100 30200 36700 45300 31800 37700 41700 28300 33900 14 45600 35700 40200 43300 29000 34800 46500 32100 38700 41100 25900 33800 15 47200 35200 40400 41500 25400 32600 46300 33200 39400 40600 27700 34600 16 49000 34100 41200 41200 25900 32500 45000 33100 38600 38700 27500 32200 17 49800 35700 41800 40700 26700 33600 42800 33100 36800 34300 25100 30000 18 49600 35600 41800 39400 26500 32800 39900 28100 34200 37700 23300 30600 19 48200 36200 41400 38400 25100 32100 39000 26000 32900 37800 27000 32200 20 48200 34800 40300 38100 25700 32600 36600 24700 31300 37700 27800 33300 21 46300 33800 39800 39900 26500 33300 38400 28200 33200 38200 27200 33400 22 42800 31700 36800 37100 27400 32700 39700 29600 34900 37400 27800 33900 23 39300 30300 35100 37300 29500 33300 38800 28400 33800 38200 24300 32000 24 38300 29000 34600 39100 31000 35400 40400 28800 35500 34600 23700 29200 25 37200 28300 33200 40400 33200 36800 40500 27900 34000 33500 23000 29400 26 37900 29900 34500 39700 33600 37000 38900 27900 34400 38200 25900 31100 27 37100 28800 32800 40600 31800 36400 40800 28100 34000 41900 25700 32600 28 38900 27800 33500 40400 30700 36400 40400 27800 34400 31700 20500 26600 29 38600 28300 34200 40500 31700 36300 45400 29100 35200 38700 20100 28200 30 37700 29500 34100 42300 33000 37100 35700 27000 30900 39300 21500 28900 31 39300 30000 34800 --- --- --- 36100 25500 30000 41400 22500 29900 MONTH 49800 27800 37300 45100 24100 34500 46500 24700 35100 42600 20100 31500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 36800 24000 29400 40600 23700 30700 38600 24600 29400 39500 25300 31500 2 34900 24000 29700 38500 23300 29000 36000 22700 28800 34300 23800 29600 3 38300 24800 30600 32700 19900 26000 35100 23800 28700 33400 25600 29700 4 37000 21500 28300 33800 22100 28200 36300 21100 27700 34400 26100 29800 5 28200 16400 23700 35100 21300 28100 36600 24000 30600 35100 23800 29500 6 33500 19700 26700 34600 23800 29000 35400 25700 30800 34500 23600 28900 7 37100 22900 28900 35400 24600 29700 35100 26300 30700 36700 25900 31100 8 37600 22900 30000 36400 26100 30300 34900 27300 30700 35900 27000 31900 9 36300 25200 30300 33700 23000 28200 32600 25800 29300 39400 26400 32700 10 34900 24400 29000 29800 19400 24500 34900 22800 28800 39900 29000 33700 11 35000 23400 28100 34500 18500 26900 37600 25300 31600 41000 28900 35000 12 30500 21500 25500 34200 20500 27200 37000 27400 32500 40000 29300 35300 13 34000 21000 27100 32700 22500 28000 36700 28100 32400 41500 28600 35200 14 34500 22300 27900 31900 23100 27300 35900 27700 31000 40600 31000 35500 15 35600 22700 30100 33900 23500 27900 35300 23800 29900 40100 30400 35000 16 34500 24900 28900 34800 24400 29600 34100 24500 29000 38200 28300 33500 17 31300 20700 24900 34400 25600 30400 33700 22000 27900 36300 26700 31600 18 22900 13200 18600 35000 25900 29700 30800 22800 27400 35500 25700 31200 19 24400 12000 18000 33800 21800 27200 34700 24800 29400 36200 27000 31700 20 34400 14800 23500 30100 19900 24700 34500 26800 30700 36400 27300 31500 21 34500 19600 26400 28000 17700 22100 39100 28400 33600 39700 27100 32600 22 37800 22300 31900 32400 20100 25600 39600 28000 34000 43500 28000 35000 23 35200 27900 32400 35800 26700 31000 40600 28300 34300 43700 29400 35800 24 34700 27600 31000 36500 28300 31900 41400 27500 34200 44700 28800 35600 25 38700 26600 32300 37000 28800 32900 39900 25700 32400 42600 28800 34700 26 42500 27300 34100 40400 28100 33000 42600 24300 32900 42800 25500 33000 27 43200 28100 34400 41200 26500 32900 39500 25100 32200 42800 24600 31500 28 41000 25300 32100 39900 25400 31500 42900 26800 34400 41000 25200 31600 29 --- --- --- 39000 24100 30400 41500 29100 34800 39800 26600 32100 30 --- --- --- 40800 23600 30200 40700 26900 33200 39300 27100 32000 31 --- --- --- 38800 24500 30100 --- --- --- 37600 27800 32000 MONTH 43200 12000 28400 41200 17700 28800 42900 21100 31100 44700 23600 32600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 37100 27100 31200 41700 28200 35300 46300 31600 39600 43200 32800 38900 2 35500 25900 31500 43400 28500 36500 47600 34800 42900 44300 32900 38900 3 41800 27400 34100 44800 30600 38700 47000 38700 43600 46800 36500 41300 4 43000 30400 36700 44300 32500 39500 47000 38700 42900 45800 30400 37900 5 41800 31800 37300 44100 35300 39500 47900 37500 43100 47100 34100 39700 6 43500 32600 38100 46200 36500 41000 48600 39400 43400 48500 35600 41500 7 44500 34900 39100 46400 36700 41700 49200 39100 43600 47400 34100 40700 8 43300 35100 39000 46800 35400 40800 48100 39200 43300 46000 35700 40100 9 41900 34300 38000 46800 33600 40100 48700 38400 43300 47600 33100 40300 10 39700 32600 36300 48300 34400 40600 47700 37900 42700 48200 35400 40700 11 40700 31000 35400 49700 36000 41700 46800 37600 42000 47200 35000 40000 12 38800 29100 34100 49500 37300 42400 46300 36400 41400 45800 33500 39400 13 37800 27000 32300 48400 37000 42500 45800 35500 40900 45200 33500 39100 14 37000 26600 31400 48000 37600 42700 46400 34400 40300 44200 33100 38600 15 37000 25800 30200 48100 36700 42000 44500 33900 39800 43600 32800 38600 16 34500 24700 29100 45900 34400 40200 44400 33400 38900 44900 35100 39200 17 --- --- --- 44800 32400 38500 44900 32300 38300 45000 35100 39800 18 --- --- --- 45700 30700 38800 44800 30800 38000 44300 35000 39500 19 --- --- --- 45600 32200 38800 45400 32700 38600 45600 35100 40000 20 --- --- --- 44900 33100 38400 48700 36400 41200 45900 35500 40400 21 --- --- --- 46200 31900 38300 48100 36100 41400 44200 35300 39600 22 --- --- --- 47400 30900 38700 46800 35900 40900 40200 28400 35200 23 --- --- --- 46600 30800 38300 45100 34100 40300 42000 28800 36000 24 --- --- --- 45200 31300 37800 44100 34000 39400 42700 29000 36600 25 --- --- --- 45100 31700 37800 43100 33600 38700 40900 28700 36400 26 --- --- --- 44300 30800 37600 41900 33200 37800 41600 28600 36000 27 --- --- --- 43900 32900 38400 40700 30800 35900 39600 28800 35600 28 --- --- --- 43100 33200 38200 41000 29400 36100 40500 29200 35400 29 --- --- --- 42300 31600 37500 41300 30400 35900 41500 30000 35800 30 43200 31500 37000 41300 29400 36200 41700 31900 37300 42400 33800 37300 31 --- --- --- 41200 29100 36600 42800 31300 37600 --- --- --- MONTH --- --- --- 49700 28200 39200 49200 29400 40300 48500 28400 38600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 42600 33700 37500 45500 35600 40000 44800 35300 39800 46600 32400 38700 2 46500 34000 38900 46500 35800 40700 47300 35000 40100 --- --- --- 3 45800 34000 39700 47400 31000 39200 47200 35000 40200 --- --- --- 4 46000 35400 39700 46900 32000 39600 47600 33800 39500 --- --- --- 5 47000 33100 39900 48600 34200 41600 47200 31200 38800 --- --- --- 6 47100 34600 41300 49100 35500 41400 46500 33200 38700 --- --- --- 7 48300 34200 40500 48200 32200 39700 43800 32400 37700 41800 29100 36500 8 46900 32200 38000 45900 30700 38200 42600 31600 37000 41200 29500 36800 9 44600 29800 36600 43800 29200 37300 40300 29900 35400 40800 32500 37200 10 43200 28600 36200 43200 30200 37900 40900 28600 36200 42400 33000 37600 11 42300 28100 36100 41100 29200 36700 41600 30600 37200 44400 33400 39300 12 41600 29600 36300 41600 28200 36100 41000 31200 38100 42800 31900 38600 13 41800 31800 37000 43000 31600 36700 41300 33300 37700 42400 33600 38700 14 41000 33400 37300 42700 31200 36500 42100 34800 38500 42500 33600 39000 15 40300 32800 36700 41800 32600 37200 --- --- --- 42600 35500 38600 16 40900 31900 36600 42400 33700 37700 --- --- --- 44000 34300 39300 17 40400 32800 36800 42500 33900 38500 --- --- --- 44200 35400 39600 18 40200 32500 36600 44300 35000 40500 44500 33900 39300 43800 36100 39000 19 39100 30800 35700 46200 37000 41300 45000 35200 40300 42400 33500 37900 20 39700 29900 35300 45300 34200 40100 44700 36500 40400 43600 32300 37400 21 39900 30000 36000 43300 33200 38400 44000 36700 40200 42500 32100 36900 22 39800 32400 36300 43800 31900 38700 43800 36800 39800 41200 32500 36600 23 42900 32000 37800 44600 33700 39400 45300 33500 40100 40200 32700 36100 24 42900 32200 38000 43600 32800 39000 43700 34800 39600 40400 27600 33900 25 41900 31600 37900 45500 33300 40200 44100 34100 39600 37400 25300 32400 26 --- --- --- 42800 34700 39400 43200 34100 39300 37100 25800 32600 27 --- --- --- 43100 33200 38700 43400 34100 39000 39400 27900 32600 28 43300 31800 38500 43100 32700 38900 43200 34800 38900 38500 27300 31900 29 42600 34200 38700 43600 35000 38800 45000 34600 39100 39800 25700 32500 30 42700 35900 39200 43800 34600 39100 44700 33800 38100 42800 26700 34800 31 43800 35100 39100 --- --- --- 45300 33200 38300 43000 29200 36100 MONTH --- --- --- 49100 28200 38900 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 41700 30000 35700 38800 29300 33500 39400 30700 35200 46200 35100 40500 2 38900 28100 32700 39900 30000 34700 42400 27800 35300 44700 33200 38900 3 37400 25300 30500 39600 29800 33800 42300 29200 36100 42300 29500 36000 4 34300 24100 29300 36200 25300 31200 41100 29700 35700 39900 27700 34600 5 34800 23400 30100 36200 24900 31600 42900 27700 35000 42200 29200 35000 6 34400 25300 30900 35300 25900 30800 43200 29300 36600 42200 28300 35200 7 35000 25600 30300 33700 24600 29900 41400 30600 34900 42500 26300 33900 8 35200 24700 29700 36700 27000 32200 38200 28300 33600 39000 27400 33000 9 41300 28700 34200 39500 27600 34100 40500 28400 34200 41000 29400 35700 10 41800 30900 36400 39600 28100 34100 40200 29900 35900 42500 31200 37500 11 42600 31400 37600 42000 30200 36100 45400 31600 38500 43600 34000 38500 12 41000 33300 36900 41500 32200 37400 41300 33400 37000 45400 33500 39000 13 39900 32900 36200 40900 34300 38600 45400 34300 39300 46800 33200 38700 14 42400 31900 37800 43200 36500 39700 46000 35400 39900 48300 32600 39000 15 42100 33900 37800 40200 35400 37800 46800 35700 40500 48800 33400 40100 16 43200 33400 37600 42400 33900 38200 46400 33600 38700 49200 34400 40600 17 43800 32100 37400 43100 34100 38100 47500 32800 38300 48900 34600 40500 18 43900 32300 37700 42900 33000 37600 46900 32400 38100 48900 34100 40500 19 45900 33000 38800 44900 32700 37900 46200 32500 38100 48300 32400 39400 20 43600 33900 38600 45800 31900 37600 45700 31800 37200 46700 33800 39100 21 44100 33300 38400 43900 32500 37400 43600 31800 37400 45000 33800 38600 22 43600 33300 38000 42100 30800 35900 44800 31100 37300 43200 31700 37500 23 43200 30600 37700 42300 28400 35400 43300 30200 36900 41900 32100 36900 24 42000 29900 36800 39700 29300 34300 43900 30600 38000 42000 30800 36300 25 41300 32100 36300 39300 29900 34500 46600 34700 40900 43400 30200 37000 26 40500 31900 36000 42200 28300 35900 45000 36800 40000 43000 32600 37600 27 41800 31900 35900 41000 30600 35900 44600 36900 40000 44500 33900 38300 28 39600 30300 34100 40100 30600 35800 44400 37000 40400 44300 34300 39100 29 --- --- --- 41100 32300 36500 45900 35100 40300 44600 33500 38600 30 --- --- --- 42100 32700 37400 47200 35100 40600 45300 34200 39100 31 --- --- --- 42900 33300 37800 --- --- --- 45000 34600 39900 MONTH 45900 23400 35300 45800 24600 35500 47500 27700 37700 49200 26300 37900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 44800 36100 39800 44900 33700 39100 46000 36300 41100 49000 37500 42900 2 43600 35000 39100 44800 34700 39500 46000 36200 40900 --- --- --- 3 42800 31500 37500 44100 33000 39000 46300 35600 41000 --- --- --- 4 46400 32100 38600 43800 32600 38700 46700 36000 41200 --- --- --- 5 46000 34400 39700 43200 32000 37700 46200 33200 39800 --- --- --- 6 45900 33900 40300 42400 31100 36800 46600 32900 39200 --- --- --- 7 45400 36600 40700 42600 31900 36800 46700 32400 38900 --- --- --- 8 46200 36300 41000 43900 30400 37000 46300 31600 38500 --- --- --- 9 46100 35500 40300 46100 30600 37600 48300 31600 38000 --- --- --- 10 47700 34200 40800 47900 31800 38000 49400 33400 40100 --- --- --- 11 50700 35700 42500 48800 31600 39000 48800 33800 40500 --- --- --- 12 50500 36900 43600 50400 33000 40400 47700 32300 39400 --- --- --- 13 50200 36400 43100 48700 34700 40600 45900 32500 38800 --- --- --- 14 49000 34900 41600 49200 32800 40100 44800 32600 38000 --- --- --- 15 47100 33400 40000 47900 32200 39500 42500 32400 37500 48700 35900 41400 16 46600 33900 39900 47000 31700 38700 43500 30600 36700 43200 35000 38300 17 47600 34900 40200 45100 32100 37700 41800 29000 36000 43500 30200 38200 18 48300 36100 41900 43600 31600 36600 40600 29800 35700 43400 32700 39000 19 47500 37200 41200 42200 29300 35400 40100 27700 33700 44000 34300 39700 20 44800 35400 39100 38800 27600 34000 39700 29300 34700 44700 35800 40700 21 45100 34000 39100 42100 27800 34500 42000 29900 35700 46900 36700 41700 22 45100 32700 40000 43000 29800 36300 44700 30800 37900 47100 38400 42500 23 45500 33900 40800 42500 30400 37100 46700 36300 40600 47600 39900 43300 24 45600 35100 40900 44000 30100 37700 47000 36400 41300 47300 38200 43100 25 44700 34800 40100 44000 32200 38500 46400 37700 41600 46600 38600 42700 26 44400 33100 39200 45300 32700 38700 46600 36100 40800 46500 37400 42000 27 43500 32900 38600 46300 34200 39300 48000 34400 40300 48000 36600 41700 28 43200 32800 37900 46200 35200 40200 48900 34900 40600 46000 36600 41000 29 44800 32800 37900 46900 35100 40400 49600 35900 42100 46300 36100 40100 30 45300 32800 39000 47700 36400 41300 48800 36500 42100 44300 32600 38500 31 --- --- --- 47100 35100 41000 48600 37300 42400 --- --- --- MONTH 50700 31500 40100 50400 27600 38300 49600 27700 39200 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 44700 31400 38200 38400 28100 33000 40000 31500 36600 38900 28200 33200 2 43100 31800 37200 38900 27400 32700 41500 32600 36800 39200 29800 34200 3 41100 30000 35900 36000 26400 30300 40700 32600 36400 40100 31300 35400 4 38800 30100 34800 36900 26800 31700 40900 32300 36200 38600 31800 34600 5 40400 30600 35200 35900 26200 31300 40700 32200 36400 37900 29300 33700 6 44000 31700 37300 35900 26000 31100 40600 32700 35800 39600 27200 34300 7 43900 33200 38200 37100 26400 31600 39600 30400 35200 39200 28000 34200 8 43500 33200 38200 39000 28300 33200 39500 30800 35600 39800 29400 34600 9 41400 33400 37400 38000 29000 33600 39800 29900 35400 40000 29600 34900 10 41100 32200 36200 38400 27700 33300 37400 30100 34300 37800 29500 33900 11 40300 31300 35600 37800 27200 32500 39600 28800 35100 36300 28500 32600 12 43000 30200 35400 39900 26800 33500 41400 31000 36300 37100 27100 32500 13 39300 32000 35300 40000 28900 34900 40900 30400 36000 41100 26200 34200 14 39400 30200 34800 40700 30400 34400 39000 30900 34700 40400 27000 33800 15 40500 29200 35100 41000 29600 35400 39500 28000 34400 42700 30700 36700 16 40800 29100 36000 40000 32300 36500 38900 28900 34200 43200 30800 36600 17 40200 31700 35700 40400 32000 36700 40200 30800 35300 44000 32800 37900 18 35400 27100 32600 40000 32000 37100 40800 32500 36700 49000 32600 39600 19 37900 25800 32600 40300 34200 37200 43200 33400 38200 49400 33600 40900 20 36200 28400 32200 42600 33800 37600 45200 32800 37700 47600 31600 38900 21 38700 28300 33100 44900 33600 38500 46000 31600 37800 48700 33600 39800 22 40200 29600 34400 47100 33900 40100 46100 31200 37700 50500 31900 40700 23 39900 28200 33300 46800 34200 40700 46600 30900 37600 51300 33300 40700 24 43700 28300 34400 47800 34400 40400 46000 29300 36300 50600 33400 39700 25 44200 29100 34800 46100 33000 39400 46200 28100 36400 44600 30000 37400 26 43600 27600 34400 46100 33300 38800 43200 29300 35100 42600 29600 35400 27 44000 25300 33500 42700 28300 36200 42000 26200 33800 40900 25800 33000 28 44500 25300 34000 42600 27300 35900 38900 27100 33300 39500 23700 31600 29 42100 27300 33600 41500 32000 36400 39200 25700 32300 37500 24000 32700 30 41400 27100 33000 39800 32600 36100 37300 26300 32500 39700 25900 31400 31 37400 27100 32100 --- --- --- 35900 26500 32000 35900 25900 31200 MONTH 44700 25300 35000 47800 26000 35300 46600 25700 35600 51300 23700 35500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 38600 26800 33400 40600 29300 36200 45100 35600 41700 42500 34900 38200 2 39700 27800 34500 39800 32400 36600 46000 38000 42100 42300 34200 38000 3 39900 27000 34300 43100 32900 39100 46000 38800 41900 46200 34100 38500 4 39400 28400 33500 42500 34900 38000 45400 38000 41100 47000 33400 39300 5 41200 29500 34400 43200 32100 37700 46700 35400 40800 48600 33700 39000 6 39900 31000 35200 42100 31700 37400 46900 35100 40300 47500 32200 38500 7 41300 27800 34800 42600 32000 37500 45800 34700 39700 46500 32100 38000 8 42900 31200 36300 42500 31800 36700 45800 33400 39000 46200 32900 38100 9 42300 31800 37100 43100 31100 36100 42600 32100 37500 45900 33700 38200 10 43900 31600 36700 42400 31500 36200 45600 32100 38200 44100 32000 37500 11 43100 29300 35600 42500 31700 36500 45000 34000 38200 42400 31800 37300 12 40200 28000 34200 43200 31200 35700 42100 33300 37500 44100 32600 38000 13 42500 31100 36200 43300 33100 37900 41300 33600 37900 42700 32800 37400 14 43900 28500 35700 44000 34100 38600 44800 33600 39400 --- --- --- 15 40600 29300 34400 42900 34800 39500 42900 35600 39200 --- --- --- 16 42800 29400 35400 44200 34200 38600 41500 34700 38000 44800 35000 39500 17 45100 28200 36600 41800 32800 37300 43000 34500 38200 45300 34100 38800 18 47900 30300 37500 49100 30100 40100 45800 32900 38300 43700 33100 38000 19 46400 28400 35600 49500 33900 41200 46400 33900 40000 41900 29500 36000 20 46900 27000 35400 51600 37000 42400 46100 35400 40300 42800 28300 35500 21 45800 26300 35800 48100 33600 40600 45900 34600 39300 43100 31000 35900 22 44400 28000 35800 45800 31500 39000 43400 31800 37200 42300 31300 36600 23 40300 28500 34900 44800 32200 38600 43900 33200 38200 40600 30700 36400 24 40700 28600 34100 44500 33700 38400 42600 34100 38400 42300 31000 36900 25 40100 27600 33900 41800 31000 36200 40700 31600 36000 43100 31700 37100 26 39400 27500 33400 40400 28400 34700 41400 30600 36200 44600 32900 39300 27 40100 27400 33800 42000 29300 34900 41600 30100 36400 44400 36000 40100 28 39800 28900 34700 41100 29900 34700 40100 32400 36100 43600 35100 39600 29 40700 29300 35100 40400 29900 35700 41900 33800 37400 46600 36900 41000 30 --- --- --- 45200 32500 38800 42000 34300 37800 49500 38000 43300 31 --- --- --- 44500 32800 40200 --- --- --- 51800 39300 44600 MONTH 47900 26300 35100 51600 28400 37800 46900 30100 38700 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 51600 39200 44300 51800 36800 43300 46800 30900 37400 49700 36500 42800 2 51400 37400 43400 52500 36600 43700 44800 29500 35800 48200 36200 41100 3 51500 37500 42900 51900 36600 43300 --- --- --- 45400 32200 38300 4 51600 37200 43100 51400 36500 42300 45900 31800 37900 42600 30400 36700 5 51600 36900 42900 47900 34900 41000 44400 29000 37500 42900 29200 36500 6 50000 34800 41200 47600 34500 40300 46400 29800 38800 45000 28400 37100 7 49700 37600 42300 48700 35600 41600 45200 31400 38600 44400 32300 38900 8 48600 37800 42500 47300 33800 41000 45900 31200 38700 44100 32300 38800 9 46100 36100 41100 45200 34700 40000 46200 30000 39000 43800 32900 37800 10 45300 35000 40000 42800 31800 38000 43600 31200 38500 43700 33500 37800 11 44800 33000 39200 42500 29800 36800 44700 32400 39300 44300 34100 37900 12 42400 33000 37900 44200 31000 38000 46400 32100 39000 44900 34500 38800 13 44300 30800 37500 45700 32400 39400 46300 35400 39800 46400 35200 39200 14 44800 30400 37700 45200 36000 40100 45600 35200 40100 47300 35300 40100 15 43800 31000 36900 45400 33700 39200 46000 36000 39700 45500 34600 39800 16 --- --- --- 43900 32100 38800 45800 35200 39700 47200 34500 40200 17 --- --- --- 46100 33500 39200 46400 33200 39500 45500 35100 39500 18 --- --- --- 45400 33400 39000 45500 34100 39400 43900 33000 37700 19 --- --- --- 45700 33300 39000 46400 34700 39600 41800 31200 36300 20 --- --- --- 47500 32800 39200 47700 35800 42000 41700 29600 36600 21 --- --- --- 46500 36800 41400 47300 38200 42600 43700 32200 37100 22 --- --- --- 46400 36000 41800 48300 38800 42900 44400 28900 37100 23 --- --- --- 45000 32000 40500 47100 37200 42100 40700 30200 35900 24 --- --- --- 45200 34300 40800 47700 35000 41200 44800 27000 35000 25 --- --- --- 45100 34400 40600 49400 33300 41000 44100 26200 34900 26 --- --- --- 46100 33700 40100 51600 36700 42300 46100 24900 34200 27 --- --- --- 48000 33400 40400 50400 36700 42300 46800 28000 36900 28 --- --- --- 50400 33400 40700 49600 36400 41800 48600 31400 39400 29 --- --- --- 50400 32600 40300 52300 33300 42900 49800 32600 40800 30 52300 34300 41800 49700 33000 39900 51300 36800 44000 49200 35300 41400 31 --- --- --- 47600 31800 38500 50700 37200 44100 --- --- --- MONTH --- --- --- 52500 29800 40300 --- --- --- 49800 24900 38200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 47000 34100 40900 45300 33300 40000 42600 31600 38000 42200 29500 36400 2 45700 34400 39900 45800 32600 39500 44100 30800 38300 40600 29800 35300 3 44600 32100 38800 43700 33000 39200 44800 34000 40300 43100 30600 37000 4 43800 32100 37800 44000 33400 39300 45700 36300 41300 42400 32400 38500 5 44400 31500 38100 45400 34500 40400 45000 35500 41100 43700 35600 39500 6 43700 31500 38300 43900 37300 41400 44700 36800 41200 43100 35600 39900 7 45800 34600 40200 43100 37800 40400 44100 37500 40800 46500 37000 41400 8 44800 36700 41500 45300 37800 40800 45300 37600 41000 48600 37700 42100 9 46000 39400 42200 45800 37900 41500 46200 38000 41900 47800 37200 41800 10 46100 40300 43200 45000 36700 40700 49600 38400 43000 49700 35400 41700 11 46200 40000 43000 48700 36400 41800 49900 37800 43000 --- --- --- 12 47000 39000 43000 48700 37100 42400 49800 37100 42100 --- --- --- 13 47700 38800 42800 50300 37400 42400 51400 36300 42700 --- --- --- 14 49300 36900 42600 48900 36200 41400 49500 34900 41100 --- --- --- 15 48000 36700 42400 49200 35000 41000 46900 30900 39600 --- --- --- 16 48800 38000 42500 47500 34600 40700 47700 35500 40900 --- --- --- 17 48800 37900 42100 45600 34100 39300 43200 30700 37500 --- --- --- 18 46800 35800 41000 45500 32900 39600 42900 30700 38100 --- --- --- 19 47400 36200 41400 44300 35500 40100 43300 30900 37700 --- --- --- 20 47200 36700 41300 44900 35900 40000 40500 28900 36400 --- --- --- 21 46400 37400 41300 43300 33600 39200 43000 28900 37700 --- --- --- 22 45800 37000 41100 43200 33400 38300 43500 30900 37700 --- --- --- 23 48400 36800 41700 43600 32100 37900 43400 32800 38600 --- --- --- 24 48900 37000 42600 44400 32700 39000 43700 34900 39300 --- --- --- 25 48700 37600 43200 46200 34800 40100 43300 34200 39400 --- --- --- 26 49800 38500 43600 45100 35300 39400 45500 33600 40000 45900 35900 41300 27 49300 38500 43000 44600 33800 38800 44900 34800 40200 44100 36700 40000 28 49000 37400 42300 45100 33000 38600 44500 33700 40100 44000 35000 40300 29 48600 37000 42200 43100 32400 38500 47000 35100 40500 45300 38200 40900 30 46700 36200 41500 43500 31600 37600 42300 33300 37500 43400 35300 39100 31 45800 35500 40500 --- --- --- 41200 29100 35100 42000 33000 38000 MONTH 49800 31500 41500 50300 31600 40000 51400 28900 39700 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 41700 30800 37300 43300 34800 39500 39800 27500 33500 44600 35600 39900 2 42800 31500 37300 46300 32100 39200 40900 29300 35700 44700 36400 40300 3 43300 35000 39300 43200 31900 38500 42000 32200 36500 44500 36000 40100 4 45500 34600 40700 46400 35300 40500 42900 32000 37800 46200 35300 40400 5 45900 36900 40600 42100 35300 39100 46600 33900 39800 47500 36200 41100 6 46600 35400 40900 45000 35300 40300 46000 33400 39300 50500 36200 41400 7 49900 36200 41500 48400 36100 42500 45800 32800 38500 49900 37100 42800 8 49500 35600 41800 51400 37400 43700 46800 31900 38200 49300 37300 42700 9 49300 35200 41600 50700 37700 43300 46000 32000 38100 47700 36000 41500 10 47300 35000 40400 51600 36500 43700 45600 31900 38000 46000 34700 40400 11 47900 34300 41000 49600 37000 43200 44900 32200 38000 45500 34500 39600 12 48800 34800 41200 49700 36500 42100 44600 30800 37000 43800 32000 37900 13 44200 32100 39200 49700 32400 39400 42200 28800 35600 43100 32700 38800 14 43000 32400 38600 43300 30800 37700 40900 29500 36500 44700 33400 39600 15 43600 31400 37900 43500 33700 38300 44000 31800 37500 43700 35600 39500 16 41500 29600 36600 42100 26500 34800 42700 33100 37900 45100 36900 40900 17 40900 30500 37000 42600 25800 33800 44600 33400 38200 44300 38200 41300 18 44400 34200 39200 43300 30000 36700 42800 35400 39300 43800 37300 40600 19 44800 33700 39800 46600 32800 40600 44000 35000 40600 42600 34600 39000 20 43100 35700 39500 45200 39200 42200 43000 38200 40600 44600 33400 39000 21 42900 35300 39000 44300 35700 39700 43200 37600 40400 45500 35400 39400 22 45100 34100 39800 41400 29400 36000 44800 35400 40200 46200 35700 39500 23 43700 34000 39200 --- --- --- 45400 36400 40400 46500 34600 39600 24 42800 33600 38700 40500 31100 35900 44700 35200 39900 46200 35700 40000 25 42800 34100 38400 43200 30900 36500 46100 32900 38800 47200 34200 39300 26 41600 33800 37600 42700 31400 37200 46900 33700 39700 46200 31600 38700 27 43900 34500 38600 44500 30300 37600 46500 34000 40300 45800 33900 38500 28 43200 32700 38200 45400 32900 38800 46200 34500 39600 44300 32000 38000 29 --- --- --- 45400 33800 38500 43900 36300 40000 43700 33000 37400 30 --- --- --- 42000 28400 35400 46400 34500 40100 43100 32900 37700 31 --- --- --- 40800 27300 34000 --- --- --- 42000 32900 37200 MONTH 49900 29600 39300 --- --- --- 46900 27500 38500 50500 31600 39700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 44800 34500 38800 44300 31400 37700 44500 33700 38800 44600 34600 39200 2 44500 31700 38300 42700 30600 37000 44400 34400 38600 45000 36600 40500 3 46300 33100 38800 45800 28600 37500 44900 33000 38100 45600 37100 41300 4 47800 33200 39600 43200 33200 37600 43500 34200 38500 43700 37000 41000 5 47500 34600 39800 42700 27900 36400 43400 34000 38500 44200 37300 40700 6 47200 32800 39500 44300 29800 36400 43000 33300 37700 44800 36300 40300 7 46900 32500 39400 44600 32700 38600 40600 32900 37200 44600 36600 41000 8 46500 35400 40500 44300 34900 38500 41400 31500 36500 45100 34600 40800 9 46200 36300 40900 42300 32700 37700 41600 32400 37100 45100 35800 40600 10 46200 35100 40300 42500 34000 38500 42200 32100 36700 44800 33700 40000 11 43300 34100 38800 42200 34000 38600 43400 32000 37600 44600 35000 39900 12 42200 34200 38300 41200 33000 37600 43100 32100 37800 46700 36600 41400 13 41400 33300 37100 40900 33100 37500 44800 32600 39300 47900 37600 42400 14 42900 32100 37200 40200 30000 34700 46100 33000 39400 48300 38900 42900 15 42800 33000 38300 43300 32800 37600 47600 36500 41200 50200 38900 44000 16 44600 32800 38300 43700 35900 39300 48100 37400 41900 51500 40500 45200 17 44600 32600 39700 45400 34700 39900 49400 37000 42100 50600 39600 44900 18 46100 37500 41000 45800 36400 40300 50200 36600 41800 50100 39000 44400 19 46900 38200 41900 48000 35800 40800 49500 36300 41300 49700 38800 43600 20 47300 37700 41900 49600 36300 41500 48800 35600 41200 48300 38000 42500 21 48600 34200 41100 50200 37900 42900 47900 35400 41000 47700 36200 41400 22 48100 36900 42100 49800 37600 43300 47300 36500 41900 45800 34300 40200 23 48200 33900 40300 49100 36200 41900 47200 36600 41400 45300 32100 39500 24 47300 30700 39200 46800 34800 39600 44800 32700 39200 44100 32900 38600 25 47400 35500 40900 45100 33200 38400 44800 30500 38600 43500 31200 37900 26 47400 33400 40000 44400 31200 37900 45400 31800 39700 43600 33400 38900 27 44400 32700 38500 42100 29800 36700 45100 32700 39500 43800 35400 39600 28 44000 31900 38200 43400 28000 36500 43400 32600 38700 45800 37000 40600 29 43700 33300 38600 41900 30300 36900 44500 31200 38500 45200 38200 41500 30 44300 32800 38600 42500 29600 36200 45000 33100 39400 47500 40000 43000 31 --- --- --- 44500 33600 38300 44000 33400 39100 --- --- --- MONTH 48600 30700 39500 50200 27900 38500 50200 30500 39300 51500 31200 41300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 48000 40300 43900 48400 40200 44100 48200 38600 42600 48500 36200 42000 2 49100 40500 44000 48800 40100 44000 49000 37900 42500 49000 36400 42000 3 48000 40300 43900 48200 39100 43300 49600 37700 43000 49000 37700 42500 4 46300 37800 42400 48300 38200 43300 49300 38100 43100 46100 34800 40300 5 45900 37600 41500 49100 37400 44100 49100 36200 42400 45500 34900 40400 6 45300 35600 40900 49100 38400 44200 47300 36100 41500 44400 32000 39100 7 45500 35900 41100 47600 37700 43100 46100 34300 40800 42400 32300 38100 8 45700 35000 41800 47300 35500 42200 46200 36500 41500 43200 32200 38800 9 45800 36600 42400 47500 35600 42000 45800 38000 41800 43900 32600 38600 10 47500 36400 42900 46900 38500 42800 50100 38500 43600 43600 32600 39100 11 46800 37600 42600 47100 39500 43000 47900 38100 42100 --- --- --- 12 47100 38600 42600 49800 39800 44700 47000 34900 41700 --- --- --- 13 48900 39600 43200 51700 40100 45400 48800 37400 41900 45200 36400 41100 14 48400 39300 43500 51500 40000 45100 --- --- --- 47000 36100 41700 15 48700 38200 43100 52700 39200 45100 --- --- --- 46500 34200 40700 16 49600 38300 43700 51600 38900 44300 --- --- --- 46200 35000 41100 17 49800 38600 43400 49600 37300 43600 --- --- --- 46300 34800 41100 18 50100 37800 43600 48300 36900 42700 --- --- --- 45100 35200 40700 19 51200 39400 44200 47300 37200 42400 --- --- --- 44500 36800 41100 20 47900 36400 42600 47100 35400 41800 --- --- --- 45600 36000 41000 21 47900 34000 42100 46300 37200 42500 --- --- --- 46500 36800 41800 22 47800 34300 41700 45500 35400 41900 44100 34900 40500 45500 37700 42200 23 46800 33900 41700 45800 34500 41000 44600 36300 40500 46500 36300 41500 24 46100 34900 41500 44800 34000 40000 43500 36900 40200 46900 36200 42200 25 46000 34200 40600 46500 34900 41100 45200 38200 42600 46200 36200 42000 26 45800 36300 40700 44900 37700 41600 46000 39600 42700 48500 35500 43200 27 46400 36900 42400 46000 38600 42100 45300 39000 42100 48100 37900 43300 28 46500 39400 42800 45900 38200 42100 46300 39400 42300 50300 39200 43400 29 47600 41300 43800 46400 38100 42300 47000 38200 41900 49700 39000 43600 30 47000 40700 44000 48000 38900 42500 48100 37200 42200 50700 38000 43300 31 48500 40900 44000 --- --- --- 46900 38000 41900 50400 38000 43200 MONTH 51200 33900 42700 52700 34000 42900 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 49100 37100 42500 50000 37000 42300 47800 34600 40100 47600 34400 39600 2 47600 35500 42200 49400 37600 42700 47000 34000 40200 45200 32200 38200 3 48400 38000 43000 47000 33500 39800 45400 32000 38400 41400 29800 36700 4 46500 36700 41200 45000 30000 37300 42200 32500 37700 43500 32700 39200 5 44600 33000 40800 42800 29500 36800 44600 34600 39700 44900 33600 40200 6 46800 37400 42200 43500 30000 37200 44400 35200 40100 44800 37800 41300 7 46800 35100 40900 42300 30600 37200 43300 35300 39600 43700 36700 40900 8 44500 35100 40900 42500 31900 38100 42900 35900 39400 43500 36900 40300 9 45200 36400 41100 43800 31900 38600 42400 35600 38800 43700 35900 39800 10 46400 36200 41400 43300 34400 39200 42500 34300 38500 43300 35300 39400 11 45000 36500 40400 45100 35800 40800 44600 35900 40000 46500 34000 39800 12 45600 37000 41300 45400 38500 41600 45300 36700 40700 46100 35400 40500 13 45200 36700 41100 44800 37800 40900 45400 35900 40700 44600 35100 39300 14 46100 35800 41300 44000 34600 39700 45000 36800 40700 45900 32900 38800 15 45700 37700 41400 44400 35500 39900 45500 35500 39800 44200 32400 39400 16 44400 35000 40300 43100 34900 39100 45000 33200 39300 44900 33500 39000 17 44500 34600 39400 44400 34800 39200 45000 32400 39100 44900 33200 38600 18 43800 35200 40000 43500 33800 39700 44600 32200 38800 43400 31900 37800 19 44700 35200 40400 43800 36700 40300 43100 32800 38600 44800 34400 40000 20 44700 35100 40400 44200 35600 40500 43200 31500 38000 45200 38000 41300 21 43600 33500 39100 44200 36200 40600 43900 34000 39500 44700 38000 41100 22 44900 31600 39700 45200 34400 40500 43600 35300 39300 47700 37800 41800 23 45600 34900 41400 44400 33300 40000 45600 35700 40900 46400 36200 41500 24 46200 35200 42300 44600 34700 40000 48000 37400 42300 49000 36200 41100 25 47500 39200 42800 45000 35400 40100 47000 37500 41700 49000 36600 41800 26 49600 39500 43500 45100 34800 40300 50300 37100 42600 50000 34400 41500 27 46600 37500 42200 47600 36000 41200 50400 37000 43200 48800 36800 41600 28 49200 36000 42100 50200 36400 43000 48400 36700 42000 49600 36800 41900 29 --- --- --- 50200 37300 43400 47800 32800 40200 48700 37500 42200 30 --- --- --- 49600 37500 42700 47300 34800 40900 48700 34900 41300 31 --- --- --- 48300 35800 41800 --- --- --- 45800 35800 41000 MONTH 49600 31600 41300 50200 29500 40100 50400 31500 40000 50000 29800 40200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 46600 33400 40300 42800 32200 38100 43900 34700 40100 43800 31400 38700 2 44200 33600 39500 43600 33200 38100 46600 35400 41400 46200 34800 40700 3 46100 33800 40900 44200 31700 38400 46800 37700 42300 46400 38100 41500 4 45300 36200 41600 45300 33900 39500 46900 38100 42900 45100 37100 40800 5 45500 36800 41300 43500 33000 39700 48200 38900 43000 45800 35500 40200 6 44600 36400 40600 44800 33700 40000 49400 39900 43900 48100 35400 40700 7 44000 34500 40000 46300 35000 40800 50800 40200 44600 48200 36800 41600 8 46900 34100 40500 --- --- --- 51300 40300 45000 46800 35000 40900 9 48400 38300 42000 --- --- --- 51600 40300 45100 46700 35500 40700 10 48900 37500 42600 --- --- --- 50500 39500 44700 46900 36400 41000 11 48800 40000 43600 --- --- --- 51100 33200 42200 46000 35200 40000 12 49300 38600 43300 --- --- --- 49800 38700 43100 46200 32300 39700 13 49100 37000 42300 --- --- --- 48300 38000 42500 45100 31500 39000 14 47500 36700 41700 --- --- --- 47200 37100 41600 43200 32600 37900 15 47300 36400 41500 --- --- --- 46200 35300 40300 41900 31200 36900 16 48100 38900 42700 44300 34000 39100 45700 32300 39600 40500 29500 36200 17 47600 38900 43000 43900 32400 38700 44500 31200 38700 43100 31600 37200 18 47100 37800 42600 44100 32000 38400 45100 32000 38700 43800 34200 38400 19 48200 36700 42200 45300 31600 38100 46900 33600 39500 44100 35600 39200 20 47200 36900 41500 46500 33000 38900 45700 34600 40200 43500 36000 39300 21 47300 35200 41200 47500 34100 39900 45400 35600 40300 43000 35000 39200 22 47000 35200 40800 45300 35100 40200 46000 35000 40200 43900 35800 39400 23 47200 32700 39200 45200 35200 39900 44900 34900 39600 43700 35400 39200 24 47400 32300 38800 44600 34600 39300 44600 35600 39700 43300 35000 38900 25 46500 31500 38300 45500 33900 39000 45000 34800 39700 45000 34300 39700 26 44700 31700 37700 44900 33800 38900 44600 36600 40200 42200 33200 37600 27 43400 28700 36100 44400 33300 38400 42400 35200 39300 39300 31200 35000 28 41000 28200 35200 42700 31400 37800 43900 33300 39400 39800 27900 34300 29 41100 29300 35700 42400 29400 37200 43900 32200 38700 43000 28700 36600 30 42200 29900 36800 43900 31900 37800 41500 31000 37700 43800 30200 38600 31 --- --- --- 43900 32300 38800 41700 30100 37100 --- --- --- MONTH 49300 28200 40400 --- --- --- 51600 30100 41000 48200 27900 39000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 42300 32500 38500 --- --- --- 42600 32600 37900 44500 29200 35400 2 44000 34500 38600 45400 35500 39700 46000 33600 38900 43200 28300 34600 3 43800 33600 38200 46400 34900 40000 45300 31700 38700 43000 28700 34300 4 45500 34200 38800 47800 35100 40300 48100 33200 40400 41800 26000 34400 5 46200 34400 39400 48200 34300 40900 46800 35300 40100 41700 29500 35200 6 46800 34100 39800 45000 32200 38300 45700 33000 39000 39700 27600 34000 7 47300 35000 40900 46700 29300 37500 44900 32200 38600 39400 24500 33400 8 48600 34800 41000 44800 30500 37700 43500 31200 37700 37200 25700 32300 9 47200 36100 40900 43100 30800 37200 42700 29400 37200 37400 27700 33000 10 46200 34400 40300 41900 30000 36100 42900 29800 37800 38800 29300 33400 11 43900 30600 37800 38600 28900 34500 41500 32000 37300 43400 29500 35500 12 41500 27200 34600 37800 25600 32600 39800 29700 35200 41900 31000 37200 13 42300 27100 34400 39100 26600 34100 39800 28600 35600 43200 33200 38700 14 41100 26900 35100 40900 30700 37000 40700 28600 33500 44100 33800 39500 15 44700 33200 38100 43400 33100 37800 38900 29200 35500 41600 34800 39200 16 42400 32100 37700 42000 33300 37600 38900 29600 35000 42800 36500 39900 17 42500 31400 37000 41200 32000 35900 42300 29300 36500 41300 35800 38900 18 42100 31800 36900 39900 29900 35400 43300 33100 37600 44400 35500 39700 19 39600 29400 35300 41500 31000 36500 43400 32400 37900 42100 34000 37800 20 41000 31100 36200 41800 31400 36400 41400 34100 36700 40800 30900 36000 21 41800 30500 36100 42700 31700 36800 40200 29600 35200 42200 30800 36100 22 41900 31700 36800 41500 31500 35600 40900 29500 35300 43400 32100 37400 23 42900 32000 37500 39900 28000 34700 42200 29400 35700 41500 32200 36800 24 44400 31400 37900 40500 27500 35300 43600 30800 37100 39800 30600 34900 25 43300 31200 38200 39600 28500 35400 40100 28900 33900 39800 29600 35300 26 43400 32000 37700 40300 28700 35900 39500 25500 33500 40500 30300 35700 27 41800 31800 38100 41000 29400 36100 39700 30500 35700 40000 32500 35600 28 42600 31900 38100 42200 32200 37300 38200 28400 34500 41800 33100 36900 29 --- --- --- 42500 34000 38100 39200 29400 34500 41900 33100 36700 30 --- --- --- 39500 32600 36600 42000 29400 35600 43000 32400 36800 31 --- --- --- --- --- --- 42800 30600 36100 41500 31900 36500 MONTH --- --- --- --- --- --- 48100 25500 36600 44500 24500 36200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 42100 31100 36200 42500 33300 37700 35800 26700 30800 39700 29300 33700 2 41500 31400 35600 41800 33100 36900 35600 26400 30400 38800 29400 33800 3 39800 31200 34900 40000 31600 35900 35800 26000 30500 39100 29000 33400 4 38700 29800 33900 39800 30800 35100 38200 26600 31500 41600 29900 35100 5 38100 27900 33500 38300 29400 33700 37200 27500 32000 41600 30000 35500 6 39600 27900 34600 35300 26500 31400 42100 28000 33400 --- --- --- 7 39600 28000 34300 36300 25100 31000 43100 28500 34500 --- --- --- 8 39100 28000 33800 38100 25800 31700 38300 23600 31900 --- --- --- 9 37700 28000 33400 37100 25100 31400 40000 23800 32200 --- --- --- 10 39400 28100 33200 36900 26600 31800 39600 26000 32900 --- --- --- 11 38400 27900 34300 37300 26400 31300 39200 27900 33900 39400 30000 34800 12 40200 29700 34300 39700 25700 31700 37700 29600 34400 --- --- --- 13 40900 30700 37300 40500 26800 32800 38600 29600 34200 --- --- --- 14 40400 32600 37600 39400 27700 34400 40200 29300 34300 --- --- --- 15 41200 35300 38000 40400 31400 35500 43200 29500 34700 47500 34300 39800 16 44800 35000 39400 39200 32300 35300 44200 29800 35500 48500 33000 39500 17 44800 35900 39600 40300 31900 35300 45000 29700 36100 48400 32100 39000 18 44000 34800 39000 41200 31400 35500 45000 30500 36100 --- --- --- 19 44500 34700 39300 42100 30100 35500 44100 29700 35500 48500 30800 37100 20 44400 34400 39300 39900 28800 34700 43500 29400 35000 45800 34000 39100 21 44600 34500 39600 38400 22800 30700 41100 29400 34200 43300 32000 37000 22 44600 34600 38900 38400 16800 27100 39300 26800 32600 39800 31900 35900 23 42300 27500 34900 35500 18100 26400 37200 26000 32900 39700 26800 33500 24 41300 26100 34200 36800 19000 27900 39600 28600 34000 39200 27500 33900 25 40200 29500 35400 36100 21800 29300 40500 28600 34000 37700 28100 33500 26 42400 31700 36800 36100 22100 29200 38000 28600 33500 37000 27200 32900 27 43100 31700 37200 38900 25900 32200 39300 28900 33800 37500 28100 33300 28 41400 31000 36800 40000 25900 33100 39500 29700 34300 41600 29500 35500 29 --- --- --- --- --- --- 39200 29400 33900 41500 30400 36100 30 --- --- --- --- --- --- 40400 29300 33800 43200 31000 36800 31 --- --- --- 35500 25800 30900 --- --- --- 41300 31600 36200 MONTH 44800 26100 36300 --- --- --- 45000 23600 33600 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 43100 29400 36200 44700 32700 37700 43800 30000 35600 46800 35100 40400 2 43000 31000 37000 42400 32400 36900 43800 30200 36300 46800 30900 39200 3 41000 32100 37000 40800 30200 35500 41800 29200 36000 46200 32500 39400 4 39800 30800 35600 40800 29100 34800 41000 28300 35600 44900 31400 38400 5 38900 29700 34500 40000 28900 34700 42300 28400 35600 46300 31700 39200 6 39500 30800 35300 39600 27900 34500 44300 29200 35900 45200 33800 39500 7 40400 30400 35300 40900 29000 35000 46500 28300 37200 44900 33200 39200 8 38400 30100 34100 42000 28400 35300 46300 31000 37900 44800 33300 38900 9 41000 29100 34400 --- --- --- 46800 29700 37600 43700 32100 38100 10 42200 29800 35400 --- --- --- 47300 29700 37100 42000 29200 36500 11 44600 30000 35700 46800 31900 37100 47500 31500 37700 41500 30700 35900 12 45600 30300 36200 46600 31200 37200 47200 31900 38400 40300 30300 35400 13 45400 28800 35700 46700 31900 37700 45600 32600 38800 39000 29700 33900 14 45800 28300 35700 45300 31300 37100 44400 33400 38900 39200 28000 33500 15 46000 28500 35500 45500 31900 37400 44000 32800 38400 39100 27800 33000 16 45300 28800 35200 43600 32400 37200 42600 32100 37900 39300 25900 33600 17 42400 26300 35000 43100 31500 36300 41200 30800 37100 41600 26300 35300 18 42400 26300 34300 41200 31400 36200 40500 29400 35600 39400 29900 34800 19 40800 24300 32600 40500 28400 34800 42400 28400 35800 39500 29600 34300 20 37000 23300 30600 39500 26300 33500 44500 29000 36500 42800 29800 36400 21 38600 24500 32600 41000 26900 33200 43600 30200 37400 43000 31300 38000 22 39000 25000 33300 40800 27600 32500 44100 31100 36900 42800 34900 39000 23 42700 27100 34500 43100 26700 33600 41800 31300 37400 43700 36000 39000 24 40300 28100 34500 39100 26100 33100 45100 32600 39000 44700 36400 39800 25 41900 28800 35600 39900 25600 32700 45400 35700 40800 46500 37000 40600 26 42000 29000 36000 42300 25900 33100 45100 35900 40100 46200 36600 40900 27 42700 30500 36600 42200 26300 33000 45800 35600 39900 46600 36700 41000 28 42500 32000 37400 38800 25500 31700 47400 36000 40200 45900 36000 40200 29 41900 32400 36800 42400 25800 33600 47500 36200 40600 45800 34700 39700 30 43000 31400 37000 43100 27000 34300 47000 35700 40700 46100 32600 39400 31 --- --- --- 42700 26100 34600 46500 35300 40600 --- --- --- MONTH 46000 23300 35200 --- --- --- 47500 28300 37900 46800 25900 37800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 44400 33000 38600 44000 31400 38200 41100 30600 36700 41700 30300 36800 2 43300 32400 38200 43500 32600 38700 40600 30700 37100 42000 30700 37300 3 44400 33000 38700 43300 35000 39300 43300 33400 39400 41700 30700 37900 4 43300 34800 39000 43100 35600 38900 43300 35000 39900 41400 32900 38200 5 43000 32400 38000 42200 34700 38300 44700 36000 40400 42200 34100 38400 6 43000 33800 38200 42400 33800 38000 43000 37000 40200 43700 35000 39200 7 43300 34400 38400 41900 33400 37600 44800 36600 40900 --- --- --- 8 43400 34200 38500 44100 31800 38600 44700 36800 40800 46000 35900 41400 9 44100 33500 38900 44700 34100 39200 45100 37200 40800 --- --- --- 10 44100 34800 39200 44500 34900 39500 45100 36500 40700 --- --- --- 11 43800 34700 39200 43600 33700 38800 41900 34800 38400 --- --- --- 12 43800 34800 39200 42000 32400 38100 43700 32600 39200 43900 35500 40200 13 43100 34200 39000 39100 30400 35400 44200 32700 39900 43900 32800 39300 14 43600 34600 38900 44400 29600 37100 45300 35300 40000 44100 33900 40400 15 41000 32600 37100 44800 31500 38000 42400 35300 39200 42900 34900 39500 16 42800 30200 37000 43600 32600 38200 42100 33300 38700 44900 35100 40600 17 42400 29000 37000 43200 32200 38300 43900 33000 37500 44600 36900 40800 18 42800 30300 37000 43600 34600 40000 41700 35100 38900 45800 36200 40700 19 43500 33900 39100 43400 36600 40100 41600 34800 38400 45600 36200 40700 20 42300 33900 39500 43900 36700 40100 --- --- --- 47800 36300 41400 21 43000 36000 39900 45500 37500 41200 46100 34600 40000 47900 37100 41600 22 44500 36700 39800 47100 37100 41200 46300 35400 40000 48000 36500 40900 23 45300 37100 41300 47200 36800 41200 47700 34900 40500 44700 34100 39400 24 46200 37400 41600 48500 36200 41000 47000 35500 40100 43700 33900 38600 25 47300 37100 41600 47600 35100 40500 45500 33200 38900 46200 32900 39700 26 47700 36800 41300 44700 28000 37300 45000 32800 38700 45100 34500 39700 27 47400 35400 40800 46400 32600 38600 44500 32800 38400 43200 32400 38600 28 47200 34800 40500 45300 32100 38300 42600 30700 37600 42600 28600 34800 29 44200 34500 39100 41400 27000 35200 41800 30000 37200 40200 27400 33300 30 44700 31300 38400 42200 30100 37500 40900 29700 36000 40800 29200 33500 31 44200 29400 37900 --- --- --- 41600 31500 37200 42300 30800 36400 MONTH 47700 29000 39100 48500 27000 38700 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 43200 33300 38800 39200 26600 32200 42000 36300 39500 41400 34800 37900 2 44000 34400 40700 39200 29100 33200 41800 35500 39200 41900 34300 37400 3 43300 38000 40300 41300 29400 36200 42800 34400 39000 42800 32500 36800 4 42100 36700 39700 40600 32100 37300 41900 31600 36600 44200 32500 37300 5 43900 35200 40100 41700 34600 37900 45000 36200 40200 46400 33200 38400 6 44700 37000 39800 41600 34400 37300 46100 34900 39400 47200 33800 38800 7 40500 34500 37700 42800 32800 37400 46200 35400 39700 46400 34200 38600 8 41600 31400 37000 43500 32600 37300 45800 35700 39300 45900 32800 38000 9 42400 32500 37500 43800 34000 38800 45700 34600 39600 45500 33300 37700 10 41400 33200 37200 43300 33200 38500 45000 35000 39400 44500 33800 37700 11 40200 31400 36700 43800 34600 38600 44100 34900 38600 43400 33000 37300 12 41900 30300 37100 44300 32600 38200 43600 33300 38400 41600 33300 37000 13 40900 30800 37000 42800 33400 38200 42200 30300 36700 41200 32600 36400 14 40900 30700 36600 43600 32600 38300 38400 27300 33300 41100 32200 36100 15 42100 31000 37100 42500 33400 38100 42100 27300 37000 41800 31900 35700 16 42300 31300 36600 43600 35200 38800 42400 32100 37900 41900 31600 35600 17 43000 30300 36700 43600 35200 39200 41700 34500 37600 41300 31600 35500 18 41700 30300 35700 44800 35900 39900 42700 33500 37400 41500 31400 35500 19 41500 30600 35300 44400 36000 39600 42900 32600 37100 41000 31800 35600 20 42500 29700 34900 45900 35400 40300 42500 32300 37100 39400 31500 35000 21 39800 29200 33800 43000 34400 38800 43000 33000 37400 39100 30200 34200 22 42100 28300 35000 44300 33900 38800 42100 31900 37000 39500 28500 33700 23 41600 29800 35300 42600 33300 38600 41400 29900 35600 39300 30600 34100 24 41600 31800 36400 42600 30700 37700 41700 28300 34700 44000 31400 36300 25 41300 31100 36700 41000 30200 36800 41300 29800 35200 45000 34600 39900 26 43400 31200 36700 41800 29500 36100 41700 29700 35100 45700 34900 39800 27 39100 28800 34500 41300 29400 35400 41500 30500 35500 45100 35400 40400 28 39100 28800 33700 42000 30200 36400 43800 31900 37000 44900 35800 40800 29 39000 27100 32800 43300 33300 38500 41800 33400 37600 47200 36700 41500 30 --- --- --- 44200 36400 39900 42600 35600 38700 47500 38800 42500 31 --- --- --- 44700 36600 40200 --- --- --- --- --- --- MONTH 44700 27100 36800 45900 26600 37800 46200 27300 37600 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324811 LONGITUDE 0795455 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM Date Processed: 2005-04-06 16:04 By mishealy APPROVED DD #15, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 46600 37200 42000 48400 37700 42200 40200 24600 31200 2 --- --- --- --- --- --- 50000 38800 43000 41500 25700 32900 3 48900 36700 41500 50600 --- --- 49300 38600 43100 40800 27400 33700 4 48600 36000 40900 --- --- --- 48900 38200 42600 42100 28300 34200 5 --- --- --- --- --- --- 47900 38000 42200 40400 30400 35600 6 --- --- --- 48400 35700 40700 46800 38000 41800 39600 31200 35100 7 47500 36500 41300 --- --- --- 45900 38400 41900 37200 29400 32700 8 47900 37200 41200 --- --- --- 44400 38300 41000 --- --- --- 9 46800 36500 40900 46200 37400 41100 44700 37200 40600 --- --- --- 10 46000 36800 40800 46200 37100 41600 44700 37200 40800 --- --- --- 11 45800 36300 40300 46900 37600 41900 44300 36700 40300 43200 32800 37300 12 47000 35600 40900 --- --- --- 45700 36000 41200 44500 33400 38400 13 47200 38600 41900 47100 37400 41900 44200 37100 40800 43800 35200 38700 14 46200 37000 40800 --- --- --- --- --- --- 43600 35100 38400 15 45000 36400 40200 47200 38400 42700 --- --- --- 43300 34300 37900 16 44000 34500 38800 48700 39000 42900 --- --- --- 43100 34300 37700 17 44000 33800 38300 --- --- --- --- --- --- 42000 32600 36300 18 44600 33600 38300 46600 38300 41700 --- --- --- 41700 30600 35200 19 46000 35400 39400 46700 38600 41700 --- --- --- 43400 31200 36500 20 47900 37300 40900 46300 37800 41100 41300 33300 36400 44800 34100 38600 21 46500 38300 41400 46700 37800 41400 40900 32200 35800 44300 34700 38600 22 45800 37200 40800 --- --- --- 42200 31900 36100 42500 35400 38000 23 45000 35300 39700 45700 38100 41200 43200 33100 37400 40900 33500 36100 24 44000 35500 39900 45100 37900 40800 43600 34000 38000 42200 30500 36700 25 44700 35700 40200 45300 37300 40700 43700 34000 37900 42500 33600 37400 26 43900 36000 40400 46200 37500 40900 46800 35300 39200 42000 33800 37500 27 46600 37900 41400 46900 37000 41100 47400 35700 40700 41500 33300 37000 28 45200 37500 40900 48100 37200 41100 48000 36500 41300 38700 30300 34200 29 48400 37700 41700 48100 36400 40900 43200 29600 36400 42000 28600 34600 30 49900 38200 42600 49200 36800 41800 40800 25900 32600 44000 30100 35800 31 --- --- --- 50300 37400 42600 40700 24300 31400 --- --- --- MONTH --- --- --- --- --- --- --- --- --- --- --- ---