1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 --- --- --- --- --- --- --- --- --- 24300 11100 16200 2 --- --- --- --- --- --- --- --- --- 23400 11100 14900 3 --- --- --- --- --- --- --- --- --- 21800 11700 15700 4 --- --- --- --- --- --- 31400 20300 25400 23700 8400 13400 5 --- --- --- --- --- --- 29700 17600 22500 26100 11000 16300 6 --- --- --- --- --- --- 30600 16300 22300 24900 10700 16700 7 --- --- --- --- --- --- 29300 15100 21300 26700 10300 15400 8 --- --- --- --- --- --- 32800 15300 20400 25200 12500 16700 9 --- --- --- --- --- --- 30300 16600 21100 22500 9700 15000 10 --- --- --- --- --- --- 30300 17900 21400 23600 9200 13600 11 --- --- --- --- --- --- 31700 16700 21300 24400 13700 16200 12 --- --- --- --- --- --- 28500 12000 18500 26400 14100 17900 13 --- --- --- --- --- --- 26700 12400 16600 24600 13800 17600 14 --- --- --- --- --- --- 20700 11800 15600 22900 11800 16000 15 --- --- --- --- --- --- 25000 15000 18500 23600 14800 17600 16 --- --- --- --- --- --- 26500 18200 21400 27400 10600 15600 17 --- --- --- --- --- --- 28000 18100 22500 26600 15200 18400 18 --- --- --- --- --- --- 25500 16000 19500 26200 17200 20800 19 --- --- --- --- --- --- 31800 17400 22100 28000 19900 23200 20 --- --- --- --- --- --- 32700 19700 26100 28500 18500 23000 21 --- --- --- --- --- --- 34300 25700 29400 33200 16400 22300 22 --- --- --- --- --- --- 32700 22200 27600 --- --- --- 23 --- --- --- --- --- --- 30900 21600 25600 --- --- --- 24 --- --- --- --- --- --- 30800 18500 22700 --- --- --- 25 --- --- --- --- --- --- 28300 15900 21400 --- --- --- 26 --- --- --- --- --- --- 29000 15500 20300 --- --- --- 27 --- --- --- --- --- --- 31100 18900 22500 --- --- --- 28 --- --- --- --- --- --- 32500 14800 20800 --- --- --- 29 --- --- --- --- --- --- 23000 10300 15300 --- --- --- 30 --- --- --- --- --- --- 24900 10800 15500 --- --- --- 31 --- --- --- --- --- --- --- --- --- --- --- --- MONTH --- --- --- --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 --- --- --- 29100 11300 18000 29600 18300 22900 28300 19200 22600 2 --- --- --- 30000 10700 17800 --- --- --- 27000 18400 22200 3 --- --- --- 25900 12300 17700 --- --- --- 29500 17100 21400 4 33600 17800 23000 25300 10800 15800 --- --- --- 29600 17800 21900 5 34200 19800 24300 19500 8190 12900 25800 9580 15400 30200 19300 23200 6 30000 19200 23900 25600 8730 13000 25500 13100 17300 27000 16800 21400 7 26700 15200 20000 24600 8890 15000 27000 15300 19800 30100 16100 20500 8 25000 12800 17600 26400 11600 16300 27500 17900 21500 27700 14900 19700 9 26200 12900 16600 25400 13800 17200 26200 17200 21000 28400 14200 19100 10 26400 13900 17200 25400 14000 17500 29100 17600 21100 28900 16000 21000 11 --- --- --- 25600 14300 17500 28900 19900 22400 31000 18000 21900 12 22900 12600 16600 31500 15600 20800 28100 16600 21400 28800 16500 21800 13 23700 14600 17600 29400 18600 22600 26800 16600 20400 30000 18200 22800 14 22600 11900 16300 32100 18900 23400 27100 16300 20200 31800 18700 23600 15 28700 12300 17000 29900 15900 21300 27200 14800 19500 32100 19400 24100 16 31800 17500 23700 29400 11500 19300 27400 14000 19500 32800 18600 24100 17 32400 23500 27200 30000 15600 20700 27600 15100 19800 32200 18500 24700 18 29900 21700 25600 32000 17700 23400 28100 13700 19300 31500 18200 24000 19 30700 14700 21600 32700 18500 24100 32400 14800 21000 31500 17300 22600 20 31700 17400 21700 33800 17600 23500 31000 17400 23500 30800 17800 21900 21 31100 15900 21200 33200 18500 23600 29800 17100 22100 29200 16300 21000 22 28100 13000 19000 31200 15600 21900 28200 15200 19900 29700 18400 22300 23 27800 12600 17600 29800 15700 20900 29100 16000 20000 29900 17200 21500 24 24300 12000 16200 30300 14400 20000 29700 18100 21700 29500 14200 20100 25 26900 11400 16000 26100 14100 17700 29200 18800 22600 29800 16900 21100 26 26100 11700 16100 27400 14300 19200 30600 18600 22800 30900 18500 22400 27 27100 12000 17400 26900 16100 19800 30900 18000 22500 27400 19300 23000 28 32000 14300 21700 25900 10700 16500 32500 18600 23100 26100 18600 21700 29 29600 14100 20200 21900 7720 13500 29700 15800 21200 24500 10500 16900 30 28000 12500 18500 26800 9760 15800 28800 14600 20000 25500 12300 16100 31 --- --- --- 27900 15800 20200 31000 16200 21700 --- --- --- MONTH --- --- --- 33800 7720 18900 --- --- --- 32800 10500 21700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 25200 11900 16500 26500 14500 18100 27900 18200 21800 22400 7280 12700 2 26100 15000 19200 23800 12300 16400 30900 17500 22400 20000 9350 12800 3 27400 16000 20500 22400 9510 13700 30100 17100 21900 20100 8070 12000 4 26400 16500 20400 24500 8930 13400 26300 15700 19200 19600 8650 13000 5 27300 15500 19900 25200 10200 15100 24600 11900 15600 22000 12000 16200 6 26400 14800 19500 24800 12200 16900 21900 10600 14900 23400 13100 16700 7 22200 13000 17500 28300 15200 19400 25800 12400 17300 23800 11400 16400 8 21200 12400 16900 27500 15700 20200 27000 17200 20000 23400 10300 15900 9 27300 15100 19800 28400 19300 22600 26800 15600 20300 19300 7010 11300 10 27600 17100 21100 29500 19700 23800 29100 17100 22200 19900 6560 10700 11 29000 18500 22700 28400 18800 22900 29200 18600 22300 22000 9130 14400 12 32200 19800 24700 28900 17200 21700 30000 17600 21500 24700 11900 17100 13 31600 21900 25900 30000 15700 21000 30500 16200 21000 24500 12300 16900 14 30900 21000 26200 28600 14000 18800 31300 16900 22600 23800 11500 15500 15 30700 16900 22900 22400 10700 14600 31900 18500 23100 27000 11300 15800 16 --- --- --- 23100 9990 14400 29400 18200 21900 22400 12100 16000 17 --- --- --- 24700 11200 15700 26900 16900 20400 21300 7870 12900 18 32800 17800 23200 23400 10400 14400 19900 11500 16000 23600 8640 13400 19 32100 17200 22500 24500 7680 13900 21700 8920 13800 23600 12200 16600 20 29300 16000 20400 21300 10400 14400 19700 8820 13700 24300 14100 17600 21 30300 14100 19800 26300 11300 16800 27100 11800 16800 22600 13000 16700 22 29100 15800 19500 22800 13100 17600 26000 17700 20200 26500 14200 18300 23 27500 14700 18700 22900 13900 17600 24100 12800 18700 27800 7060 16900 24 26600 13800 19600 25400 17100 20500 24500 14500 17500 21000 8360 13200 25 24500 13800 19200 26600 18500 22800 26200 12200 18900 21300 8050 13500 26 26600 14800 19600 27500 18500 23200 23300 11000 16600 22500 9620 15500 27 27900 16000 20600 25700 16300 20200 25800 12600 16900 28000 11900 17500 28 23100 12900 17200 27600 15200 20800 26500 10800 16500 15600 5480 10000 29 27200 14000 18500 27500 15800 21200 28400 14400 19200 19400 4250 10000 30 27900 13800 19500 29600 18300 23200 20500 9560 14000 20200 7100 11600 31 28700 16100 19900 --- --- --- 19400 8180 12000 21500 6860 12300 MONTH --- --- --- 30000 7680 18500 31900 8180 18700 28000 4250 14500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 19800 8890 12600 22400 8670 13600 22300 9250 13600 25600 10400 15800 2 18900 8810 12300 22400 7650 11900 19900 7890 11500 22400 10200 13600 3 21200 9870 13900 17300 5360 8390 17200 8130 11100 23700 11800 16300 4 19900 6740 13400 19000 6710 10200 20400 6670 11500 24600 13900 17900 5 13000 3600 7190 19400 7030 11500 18100 8090 11600 22100 12400 16500 6 14600 4160 7610 19500 7440 11600 25400 10700 15200 22700 10700 15400 7 17400 5420 10200 24000 9790 13700 22500 12000 16400 25300 12400 16200 8 20700 8230 12900 24300 12200 16200 22200 13400 16600 19100 11200 15000 9 22600 10800 15400 22000 9110 15600 19000 10400 14200 24000 9020 13700 10 21500 10500 15000 13200 4010 7360 18600 5790 9450 26300 10800 16000 11 21600 10000 14500 18800 4710 8580 25900 6940 12600 28100 12600 17600 12 15900 7020 11000 19400 6560 9900 22600 12900 16600 25700 13200 18400 13 16800 7400 10400 19100 7860 11700 23700 13800 17600 28100 12800 17900 14 21400 6730 9970 18900 9380 12800 21100 13000 16900 28900 14400 19200 15 20300 7570 12500 20900 10300 13900 20700 7940 13200 28900 15300 19500 16 20900 11800 14700 23800 11100 15500 19400 8600 12200 29400 14100 18600 17 21300 7810 13200 21000 13000 16000 20400 7730 12100 24300 10800 16100 18 12600 1920 4950 20800 10700 14000 17700 7260 10400 20800 10100 14600 19 4550 1190 2820 20800 8600 12700 22400 9790 14100 23600 11400 16100 20 12800 2940 5820 15100 7000 9740 24000 11900 15500 24200 12600 16700 21 15900 6380 9510 11100 4780 7030 27200 16000 20100 22100 11000 15200 22 23400 10600 16200 17300 5240 9660 27900 18900 22600 27000 11300 16600 23 28200 15800 22000 22700 10500 16000 28200 17900 22300 27300 12500 18100 24 23600 12400 17500 25100 17000 20100 27600 15200 20800 28600 12700 17600 25 25500 11400 17700 25800 15700 20500 27200 12000 18000 26100 11500 16600 26 27300 13300 19200 25000 14000 19000 27900 12800 18200 23400 7800 13200 27 28200 12500 19200 24600 12300 17200 27400 12100 17600 22200 7500 11800 28 24500 9030 15600 23300 9420 14700 30600 13800 19700 22000 7420 11900 29 --- --- --- 22300 8140 13100 28500 15000 20000 22000 8360 12600 30 --- --- --- 22700 7530 13200 27400 12800 17400 23000 9180 13400 31 --- --- --- 22300 8780 13500 --- --- --- 22600 9610 14100 MONTH 28200 1190 12800 25800 4010 13200 30600 5790 15600 29400 7420 15900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 21400 10600 14100 23800 9590 14100 29500 15300 20200 31400 17000 22600 2 22500 9470 13800 24600 11700 16300 35100 21400 25500 31300 20700 24500 3 23500 10200 15200 27800 13600 18200 36300 25200 29200 35400 22400 27500 4 26800 13700 18000 30000 17500 21300 37400 24500 29500 27700 10100 20100 5 28600 16000 20400 30000 18800 23000 36000 24900 29700 31400 16100 21300 6 31200 16900 21600 32100 20300 24300 37500 25600 30500 34000 18900 24700 7 31900 18600 23600 30400 19900 24500 37100 25600 30100 31900 20100 25500 8 31900 23200 26700 28800 16200 21900 36500 24800 29400 30800 17900 23200 9 33200 22200 26900 29100 15400 20500 35700 22800 28300 32200 16300 21800 10 30500 19600 24900 30400 16100 21300 33800 22500 27300 30300 17800 22400 11 29600 16500 21800 31900 18600 23300 32500 20900 26200 29600 17600 22000 12 29300 15100 20900 33300 21100 25200 32500 19600 24600 29800 16500 21000 13 26000 13300 18800 33300 21100 25400 30900 19200 23600 30300 14700 21000 14 26000 12200 16600 32000 21100 24900 31600 19500 23300 30100 15500 21500 15 26300 13000 18100 31100 18900 23600 31600 18100 23500 29700 17200 21900 16 24600 10300 15100 28300 16800 21300 31600 18000 22900 30000 18100 23000 17 20000 9510 14200 26600 14800 19500 31600 17500 22600 29300 17700 22500 18 26900 10300 16400 28900 13500 19300 29600 16000 21500 28300 15100 21400 19 28700 14300 19700 30000 14500 20900 31300 15900 21300 29600 17400 21800 20 28300 15400 20400 30200 16300 22100 32500 18100 23100 29000 18500 22300 21 31200 17800 22200 28800 15100 20700 32000 19400 24000 28300 16800 21500 22 32300 16900 22300 28400 13700 19300 29500 17600 22700 21300 11500 16500 23 29400 12800 19200 28600 13300 18900 29800 16500 21300 24800 11800 16500 24 27300 12900 17800 26800 13000 18100 27700 15900 20500 25600 15400 18800 25 29200 13000 17900 27300 12700 17700 29200 15900 20000 26300 14800 19000 26 27900 13000 17800 26600 12700 16900 23300 15800 19400 25800 13400 18300 27 24200 11700 16700 28900 12700 18200 23300 12100 17100 27500 13800 18900 28 24900 9750 14600 27100 15700 19200 24400 11300 16800 25700 16200 19700 29 26200 12100 17100 24000 13700 18100 28900 15900 20000 27500 16100 20000 30 24300 12700 17000 23900 13500 17600 27400 17600 20900 28800 19100 22600 31 --- --- --- 27300 12100 17700 30400 17300 21300 --- --- --- MONTH 33200 9470 19000 33300 9590 20400 37500 11300 23800 35400 10100 21500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 28300 19400 23200 33800 22600 27000 33000 21900 25900 33000 17900 23000 2 31200 18700 23800 33700 23100 27400 33700 19700 25800 35700 18200 25500 3 31800 20500 25000 35000 20600 26500 35800 19900 26000 33000 18600 23700 4 32000 21000 25500 33100 19300 24100 33500 16200 23700 26300 13500 18100 5 31700 20600 25200 35600 18400 24800 31800 15500 21500 24900 11700 16000 6 32500 19900 24900 35100 19900 24900 31900 16900 22300 28500 12300 17400 7 32200 17500 23300 30900 16000 21100 30100 16100 21400 27300 13000 17300 8 29300 14400 19600 29100 13300 19000 30400 15400 20500 28800 13500 18000 9 24600 12000 16200 30500 13800 19600 25300 14000 18100 31000 17400 22000 10 24700 10600 15300 29600 14500 20800 25100 15400 18800 27100 21300 23300 11 27000 9890 15900 29000 17400 21500 26300 18800 21100 30600 20100 24800 12 26600 12400 17600 23900 14300 18200 26600 18400 22200 30800 17700 23400 13 27500 14900 19600 28200 16200 21000 30100 19500 23500 33500 18100 24100 14 29100 17100 21100 29100 18300 22800 29100 20200 24300 32700 20600 26500 15 26800 14400 19100 32100 18600 23700 31100 17900 25700 33900 23700 27700 16 26700 14500 19700 31700 17600 24300 30100 16300 21500 35100 21300 26800 17 25700 15700 19500 33400 19800 24600 30900 20200 23900 34700 22200 27800 18 26800 15800 19500 31700 20200 24600 32500 19100 25100 35100 23800 27800 19 23700 12200 17300 32400 19800 24600 33900 22200 27000 31800 21200 24800 20 24200 9420 14400 31500 17500 22700 34000 23100 28000 30700 19200 23200 21 24900 11600 16300 25300 14800 18900 33200 22800 27500 32200 17400 22800 22 22300 14200 18200 29400 15700 20300 34700 23100 26500 32200 19000 23700 23 28800 16100 19100 32700 18600 23300 32600 21100 25400 30400 19000 24000 24 27300 15500 19500 31500 20000 23700 31800 21400 24900 28700 13300 19900 25 28000 16200 19600 31100 17700 23200 32000 20600 24500 22800 12000 16500 26 --- --- --- 29200 21400 24200 29600 18100 23300 24800 12800 17300 27 --- --- --- 26800 16700 21700 30800 19300 24300 29500 15200 20100 28 32800 20000 24700 26900 15200 20800 32200 19400 25000 26800 14400 19500 29 30900 21700 25900 29200 18600 23700 32900 20900 26000 27000 13700 18700 30 31300 20400 25700 31000 21200 25700 32300 18900 23700 32400 15200 22100 31 32100 20000 25300 --- --- --- 33100 17000 23000 34700 19000 24400 MONTH --- --- --- 35600 13300 23000 35800 14000 23900 35700 11700 22300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 34200 20000 24600 27800 14300 20100 25500 13300 18900 32600 20500 25400 2 29700 15400 20800 29100 16600 22600 25100 11300 16300 28200 16000 21900 3 24800 12800 16600 30500 17900 22300 25400 12700 17000 27600 10400 17700 4 24000 11600 15400 24700 10100 15200 24400 12600 16900 27000 11800 16900 5 25400 10600 15600 26200 11500 15300 25400 12900 16200 27000 13400 17500 6 25200 14200 18500 24200 11800 16300 26800 15300 18600 24900 10000 15800 7 24700 13000 18400 --- --- --- 24400 16800 20100 20500 10900 14700 8 25000 15600 18800 --- --- --- 25300 12000 16400 20100 8330 12800 9 31600 17400 21000 --- --- --- 25400 12700 18100 22600 9510 14700 10 29300 16600 21300 --- --- --- 23900 14400 18600 27400 14500 18600 11 33100 18900 23100 --- --- --- 33300 18600 23100 28500 17200 21200 12 33800 20800 25200 --- --- --- 29200 18200 22800 29800 18200 23600 13 28500 17200 21900 --- --- --- 32200 18700 24800 30500 17600 23400 14 30400 16500 22600 --- --- --- 33100 21300 26100 32400 16800 22600 15 29800 19700 23700 --- --- --- 34000 21100 27100 33400 17000 22700 16 30200 18300 22200 --- --- --- 29700 16500 22900 35100 17500 23100 17 29200 16500 21600 --- --- --- 31700 15200 20800 33800 16900 22800 18 29100 16400 21900 --- --- --- 28900 14200 19800 31700 17400 22200 19 32800 17300 23300 --- --- --- 27400 13800 19400 31700 14400 20400 20 30000 19500 23000 --- --- --- 28200 13100 18700 29000 13800 19400 21 31000 18600 23100 --- --- --- 27600 12700 17200 26500 14600 19500 22 28800 16400 21100 --- --- --- 27100 14200 19100 25900 13900 18800 23 30600 16600 21400 --- --- --- 26200 13000 18300 26400 15200 18800 24 27500 11700 18800 --- --- --- 27000 12500 18100 24700 13600 17800 25 27900 15100 20100 --- --- --- 29900 16600 22600 28100 12300 17100 26 26600 15800 20600 26700 13500 19000 31700 20800 26200 26100 14700 19000 27 28400 16400 21700 27200 14200 18900 32900 23100 27300 28600 15300 20100 28 28600 16700 21500 29700 17200 21500 32400 23000 26800 28600 16500 21300 29 --- --- --- 28700 17700 22800 31900 21700 25800 27400 16200 20800 30 --- --- --- 29600 18700 23400 31600 22800 26000 29100 16600 20600 31 --- --- --- 28500 19900 23200 --- --- --- 29200 18000 22300 MONTH 34200 10600 21000 --- --- --- 34000 11300 21000 35100 8330 19800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 28900 19300 23300 27400 16800 21100 30700 17800 21800 36300 25200 29200 2 28100 17700 22100 27000 15200 19500 30700 18000 22100 --- --- --- 3 25800 13100 18800 --- --- --- 31900 17600 22200 --- --- --- 4 24500 11800 16400 26000 15400 19000 30800 18500 23300 --- --- --- 5 26600 14400 18700 26000 13200 17800 31400 16500 21900 --- --- --- 6 27500 17500 21500 22800 11500 16200 31800 14800 21400 --- --- --- 7 27900 18800 22500 25200 12700 17100 31900 16700 22700 --- --- --- 8 28900 18900 22800 26300 13500 18300 --- --- --- --- --- --- 9 27400 16200 21400 27700 14200 18800 --- --- --- --- --- --- 10 30000 16600 21200 28500 14000 19600 34900 16800 23900 --- --- --- 11 34500 18200 23500 29800 13800 19500 32700 19400 24100 30500 19000 23300 12 35400 20000 25200 33000 15400 21200 30900 16900 22500 --- --- --- 13 35100 19000 24700 31500 15400 21500 --- --- --- --- --- --- 14 33300 18200 23600 31200 15900 21200 29000 15600 21000 --- --- --- 15 32000 16000 21600 28600 15900 20400 27600 16200 20000 --- --- --- 16 29800 15300 21100 24900 14400 18400 27600 12800 18900 --- --- --- 17 29800 16000 20700 24900 11900 16400 30000 13700 19000 --- --- --- 18 29200 18200 22200 24900 11500 15500 27200 15600 19700 --- --- --- 19 30000 18800 23400 19500 10200 13700 28100 13200 18300 --- --- --- 20 28200 18000 22200 19400 9700 13500 28500 15400 20100 --- --- --- 21 28200 16600 21100 25400 9490 15400 27600 15400 19900 --- --- --- 22 28700 17200 21600 27400 13500 18600 33600 16000 22300 --- --- --- 23 32700 18700 23300 30900 16000 20700 --- --- --- 38600 28600 33000 24 31600 19300 24200 31300 16000 21300 --- --- --- 37000 27100 32200 25 30800 16400 23400 29400 17700 21900 34900 24200 29500 35600 22700 29600 26 28200 12400 20800 31100 16200 21800 32100 20200 26300 34100 22400 27300 27 27600 15000 19700 32900 17700 22500 31400 19200 24200 34900 20500 26200 28 29500 16000 20100 32100 17800 23800 34800 19000 24100 33000 19100 24500 29 30200 14800 19700 31700 20100 24400 33900 22500 26300 32100 18600 23000 30 30900 15200 20200 31200 18000 22900 36400 23000 27700 30000 14700 20100 31 --- --- --- 30900 16500 21800 36400 25000 29400 --- --- --- MONTH 35400 11800 21700 --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 29200 14400 19100 27000 12800 18700 --- --- --- 24700 15600 18800 2 28600 12900 19000 26200 13900 20700 --- --- --- 26100 17400 20900 3 24300 13200 17700 22600 11100 16000 --- --- --- 28500 18600 22500 4 25000 12600 16800 22000 11400 15500 26100 16200 20800 27800 18700 22100 5 27700 13000 18500 23000 12300 16300 28500 15900 21700 24700 16600 19300 6 31100 16000 22100 24700 12000 16200 27900 17200 21300 24000 13700 17600 7 30100 18400 23300 24800 11900 16100 25400 14000 18800 27200 13500 18100 8 30600 19100 23500 26300 12700 17900 29000 14800 18900 25800 13300 17900 9 29700 18000 22600 27600 13000 18700 27000 13600 18800 27400 14800 20100 10 28500 15700 20900 --- --- --- 29200 13500 19300 25000 16200 19800 11 27400 15000 19600 --- --- --- 27800 13100 18300 25000 13500 17400 12 26800 13300 18900 --- --- --- 28300 14500 20200 21400 10100 15000 13 30000 15900 20000 --- --- --- 29900 17400 21400 24500 13300 16900 14 25900 15100 19300 --- --- --- 24600 15800 20300 21900 13400 16400 15 28400 15100 19300 --- --- --- 25000 12000 17000 30100 16200 21000 16 29400 18400 21500 --- --- --- 24700 13200 18200 28900 16000 22600 17 28900 19100 23500 --- --- --- 25400 14700 18700 29700 18300 23100 18 25300 12000 18200 --- --- --- 29000 18800 22300 34900 19800 26600 19 27300 14200 18100 --- --- --- 32300 20400 25600 35300 22900 27100 20 24200 13900 19400 --- --- --- 30600 17600 24000 32200 18500 24300 21 26600 13300 18800 --- --- --- 30800 15100 21000 34200 17700 24200 22 27400 15000 19800 --- --- --- 30900 14500 19800 35600 17000 24900 23 24900 12600 17900 --- --- --- 30400 13500 19200 35800 18500 24600 24 27400 12200 18000 --- --- --- 28400 12000 17500 34600 18200 23600 25 28700 12300 17900 --- --- --- 29500 10900 17100 30400 15200 19700 26 28100 11600 17200 --- --- --- 23600 12800 16100 24300 11200 16200 27 27100 10200 16500 --- --- --- 23800 6990 13900 20900 8950 13000 28 26700 10700 16200 --- --- --- 22700 9390 14500 21400 9170 12600 29 28500 11700 15900 --- --- --- 21800 8500 13300 20800 9680 14000 30 28100 11200 17000 --- --- --- 24200 12100 16600 25600 12200 16700 31 26700 12200 17100 --- --- --- 23100 14300 17400 26000 10500 17900 MONTH 31100 10200 19100 --- --- --- --- --- --- 35800 8950 19800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 29900 12300 19300 26000 18000 21300 28800 16900 23000 25200 18500 21300 2 25900 14900 19800 27700 18300 21900 28400 19700 24700 25100 16900 20600 3 29400 16000 20600 27300 16400 22400 27700 20200 23800 27000 16100 19700 4 26400 15600 20500 28400 15800 22200 26300 16900 21500 27000 15200 19300 5 27400 16800 21300 25900 13900 19800 25100 13700 18200 30700 15000 20500 6 28200 17800 22600 25100 16800 19900 24500 14000 18100 29900 14100 19700 7 30400 17800 22600 25200 16100 19200 25900 12600 17200 28200 14200 19400 8 30000 15700 22300 24200 14100 17700 22300 11600 16100 29000 13600 19500 9 29700 19200 23200 25100 13500 17400 22600 8830 12700 29100 15600 20400 10 28500 17300 22000 24700 12900 16600 23200 10500 15700 26800 13200 19100 11 29200 15300 20300 22500 13100 16700 23200 12300 16400 26200 12300 16700 12 24900 11600 16400 24300 12600 17100 23200 11600 16300 27600 15300 19800 13 26600 15100 19200 23700 12600 17300 22800 14700 17500 27300 16400 21100 14 29100 16400 21900 25800 15300 19100 26700 15900 20000 31400 16400 22600 15 25700 13500 19000 27400 17000 21000 26600 18100 21800 32800 19600 24500 16 25100 15800 19800 26600 17800 21900 25200 15600 20100 32400 21100 25200 17 28500 15200 20700 25500 14800 18700 26300 15600 20300 29500 19000 23700 18 29700 17100 20900 27000 12300 18600 25400 13500 18200 28600 14600 21000 19 28400 13500 18400 28600 15800 20700 25800 14800 18900 26500 11300 17200 20 26200 10100 16500 33000 17800 23200 25500 15900 19700 26500 11200 16700 21 25100 12800 17100 --- --- --- 24700 15200 19300 31200 14800 18600 22 25300 13600 17700 --- --- --- 26200 11600 16000 27500 16800 20600 23 24400 14000 17300 --- --- --- 26200 13600 17700 28200 16000 20600 24 24900 11800 16100 --- --- --- 24700 15500 19200 32500 17300 21400 25 21900 9700 14400 22200 8910 13200 25200 12700 19000 27400 15700 20100 26 20700 10400 14900 18000 8290 11500 20600 10500 14700 28900 15800 21700 27 22600 12700 17300 18700 8830 13000 24300 13900 17600 32900 21200 25600 28 27600 14000 18300 19700 9080 13400 24500 15300 18500 33400 21700 25900 29 24400 14800 18800 16900 9290 12100 24400 13500 18100 33600 20200 26500 30 --- --- --- 21400 12200 16400 25400 17700 20700 36500 24200 29000 31 --- --- --- 24700 16000 19300 --- --- --- 37300 24800 30200 MONTH 30400 9700 19300 --- --- --- 28800 8830 18700 37300 11200 21600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 37800 23000 28900 37100 19800 25300 31500 15600 21200 32500 17800 23100 2 37400 20300 26800 37000 19800 26000 28900 15000 20500 30100 15500 20300 3 32300 16900 23300 35200 19600 25400 24300 12700 17800 29300 14200 18800 4 29500 15800 21300 33100 17900 23900 --- --- --- 26700 12700 17800 5 27900 15600 20100 32500 16900 21900 --- --- --- 29800 13500 18600 6 27900 14000 18800 29600 13500 19400 --- --- --- 22300 14100 17000 7 26300 16900 19700 30800 15600 20300 --- --- --- 26800 14500 18500 8 28000 18300 21500 29300 18200 22100 --- --- --- 26000 14800 18800 9 24500 15500 19400 29000 18000 22000 31400 11200 18500 31500 13100 18500 10 --- --- --- 28300 15100 20400 29000 13600 19300 29900 15500 20700 11 --- --- --- 26900 12500 17800 29800 16900 21100 28300 17800 22300 12 --- --- --- 29400 12800 18700 32200 13300 20500 29600 18400 23400 13 --- --- --- 31100 16600 21600 31800 16700 22300 29800 17400 23200 14 --- --- --- 30800 18000 23300 31900 19200 23500 30300 19000 23200 15 --- --- --- 30800 18000 23000 31500 16100 22400 29100 17200 22400 16 --- --- --- 30300 13200 21300 30500 17400 21800 29900 17700 22400 17 26500 13600 18700 30000 16300 21300 29400 11500 19600 29600 19500 23000 18 25500 11500 17100 29800 15600 21300 31200 14900 20000 31500 18400 23000 19 27000 12600 16800 30600 16500 21100 29800 14000 19100 26200 13600 18100 20 29100 12700 17100 31000 14700 20300 32700 16500 21800 25300 9310 15900 21 29400 13700 20400 31800 16200 21700 31800 20100 25300 28100 13000 18000 22 29400 17700 21400 35100 19600 24800 34100 23100 26600 28800 10200 17400 23 31600 15500 21500 33500 19900 25800 33000 18700 25100 23400 10600 16900 24 31300 19000 24200 32300 19600 25100 33700 16600 23500 25300 8140 13900 25 31500 22200 26100 31600 15700 22300 35800 14300 23500 26600 7310 13600 26 30600 20800 25500 29400 14400 21200 39500 19700 26700 22600 7630 12100 27 30300 18200 22700 31900 15800 22300 39100 24400 29100 26900 9900 15600 28 31300 16300 22500 33100 16600 22700 37600 22500 28700 28800 14300 19700 29 30500 16200 21800 34200 15300 21500 34800 22200 27500 30600 17000 21500 30 36400 16200 22800 34200 15000 21800 36200 22100 27300 30600 17400 21300 31 --- --- --- 33000 15700 22000 33800 19800 26200 --- --- --- MONTH --- --- --- 37100 12500 22200 --- --- --- 32500 7310 19300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 29300 15000 20100 32900 15500 21300 29100 14400 19500 28900 14500 19600 2 28100 14200 19700 30100 14700 21200 30600 16300 20700 28600 13300 18100 3 27800 12500 18100 30200 17100 22100 27400 21000 23400 27300 13800 19400 4 25200 12900 17000 30900 19300 22900 34200 21200 25400 28600 17700 22300 5 26800 12800 17900 37300 19600 24700 33300 19200 25600 32700 22300 26300 6 30800 16200 19900 33700 23300 27200 31400 19700 24900 33000 23200 27500 7 31600 17800 21300 32900 22000 28100 34600 22800 27100 35800 24600 29600 8 30200 15700 25400 31200 22200 26300 34000 22800 28000 37600 25600 30000 9 33900 24300 28500 33600 20800 27100 35900 23700 28500 35100 22000 27200 10 34900 26400 30000 31500 19700 24700 36200 24500 29000 35700 19400 25000 11 33000 23800 28400 33300 20200 25100 36800 23100 28400 35400 18500 23700 12 31500 16400 25600 35200 21100 26100 35600 21000 26000 34800 16600 23000 13 31400 18800 24500 35900 20500 25800 36300 19500 25200 36800 17800 24800 14 28500 17700 21900 35600 17600 23800 33500 17400 22200 34300 20800 25800 15 27800 14500 19300 30200 16000 22200 29100 12500 19400 30400 17800 22300 16 27200 16000 20000 31900 16300 22400 33100 16800 22600 29100 15100 19800 17 28800 15700 20900 30800 15700 21200 29600 12800 21300 31100 14200 20300 18 29100 14500 21000 32900 15200 21200 27700 11300 17400 33200 17500 22500 19 30200 15100 21200 28700 19800 23100 28800 14500 19700 34500 20400 25100 20 29700 12100 20100 31400 20300 24300 23100 9810 16700 28900 14400 22200 21 28900 15600 21100 26900 15000 21000 28900 12900 18900 25600 11800 18100 22 28600 12700 21300 26800 14000 19200 32900 15100 21100 28500 12200 19500 23 29700 18200 22800 27400 14600 19300 30300 18400 22800 31500 14900 21500 24 31600 19700 24200 28700 15300 21000 32300 18200 22600 35100 20300 25900 25 31600 19100 24700 34000 18500 24800 31000 15400 22800 32600 22100 25400 26 34100 21600 26200 31000 19400 24300 32100 20100 24000 33000 19600 24700 27 34500 21000 25700 29800 18800 23000 33700 18600 23800 33000 21200 24700 28 33600 19400 24100 28700 14600 20700 31100 15900 22400 30500 18600 24200 29 33400 17800 23800 28800 14800 20200 33900 18900 24400 34600 21000 25300 30 32800 18900 23300 28900 14200 19000 25900 15000 20800 31800 18600 24600 31 32000 16200 21500 --- --- --- 27700 9920 16400 28200 15300 20100 MONTH 34900 12100 22600 37300 14000 23100 36800 9810 22900 37600 11800 23500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 27400 13700 19000 34800 17600 22800 27400 11000 17100 32400 18000 24500 2 29300 16600 21000 29200 14500 20900 26400 10800 17000 31900 20600 25100 3 29900 15300 20900 27900 14300 19400 31600 15900 20500 32600 20500 25000 4 34500 20600 25100 35400 20700 24700 29900 19000 22700 31400 15800 24000 5 34000 20600 26700 30800 17500 24300 32000 18900 25000 34000 20400 25500 6 33600 19900 25200 31400 17500 23100 31600 19700 24500 37400 19200 25600 7 34400 20500 25600 34500 18800 25900 29300 17000 22300 37500 20800 26600 8 35400 19900 25700 34900 21700 27000 30300 15200 21300 36400 15400 26700 9 34700 20200 25800 34200 19300 25900 29700 15500 20800 32500 15400 25200 10 31600 18200 23200 34600 18600 24700 29800 15100 19700 31300 16800 23500 11 32700 17100 22900 33300 18100 24100 32500 15000 20200 29200 16600 23200 12 32700 20900 23900 --- --- --- 32500 14200 19500 32500 16900 21500 13 30400 14600 20600 --- --- --- 27200 12300 17800 28900 14800 21100 14 30000 14200 19700 --- --- --- 24100 11300 16700 32700 19200 24800 15 28500 16400 21000 28400 13400 19200 29700 15100 22000 33400 23800 27600 16 27100 15700 20200 26300 9230 15400 28400 16300 21700 33300 23000 27300 17 30400 16400 21000 22700 8840 14300 32400 19400 24100 35400 26400 29900 18 33600 19800 24500 25700 11900 17100 35900 18100 24000 35400 23300 29900 19 32000 23500 27700 34400 18600 25300 33100 23000 27700 35100 19700 26100 20 34700 22400 27400 36500 24000 28400 32800 25500 28700 35900 19600 25100 21 31800 20800 24700 30400 11000 24200 32000 21800 26500 33500 21600 26600 22 33100 18600 24800 25200 7880 15400 33300 17300 24300 35500 20000 26200 23 31200 19000 24000 30100 11000 18500 31900 19600 24700 36100 18500 24500 24 31100 18000 22400 27300 14100 19600 30100 19500 24100 35200 18500 24600 25 30700 18700 23700 27000 14200 19400 30500 14900 21900 34600 17500 23700 26 28900 17300 22500 28500 14800 20600 32700 18800 23400 30700 16000 22500 27 32000 17600 22700 31300 15700 20900 32200 18800 24600 31500 18300 23600 28 32000 18400 22700 30700 16200 22500 33300 17700 24200 32900 17800 23300 29 --- --- --- 30700 16900 22300 32200 18700 23400 33800 15600 22400 30 --- --- --- 26700 10200 17500 32200 18100 24500 32700 17500 22600 31 --- --- --- 24200 9760 14400 --- --- --- 32400 18700 23300 MONTH 35400 13700 23400 --- --- --- 35900 10800 22500 37500 14800 24900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 33600 20600 25000 33700 15200 21500 29800 18700 23200 33200 21400 25800 2 32700 15200 21700 31800 15000 21100 31100 14500 22200 35100 22300 26300 3 33800 16300 21400 34900 16200 22100 32200 15900 21600 34300 22900 27700 4 34000 16500 22400 33300 17600 22700 30400 17000 21900 32600 23400 27600 5 34100 15300 21400 31000 16400 22100 30500 17000 21600 31900 20700 25800 6 34500 14700 20800 34000 15600 21900 28800 10400 20900 29000 18600 23300 7 34800 14200 20600 35800 17800 23000 28100 15500 20400 32200 19700 24500 8 35300 18000 23200 32500 20300 24000 28300 8090 19400 32600 18600 23700 9 36300 18800 24100 34200 18900 23700 26800 9560 18300 34700 16400 24000 10 36800 21400 25300 34400 20300 24800 28900 13900 19200 35300 18100 24000 11 37000 22100 26500 34400 21300 25600 32200 16200 21300 31600 16700 23100 12 35600 21000 26400 31600 17900 23900 30500 15200 21600 33100 21000 25800 13 35200 22100 26600 35700 19200 25600 33300 18300 23400 36600 25000 29400 14 34100 17800 24800 34500 22300 27300 30700 17200 23500 36700 25800 29600 15 35000 19100 25800 36200 22200 26600 35300 19200 26300 39100 24000 29000 16 34800 17400 23800 35600 20100 26800 37000 21300 28200 40200 25300 30900 17 37200 19500 26500 --- --- --- 36600 22300 28100 38100 23300 30200 18 36400 24900 29800 --- --- --- 36200 20700 26900 37300 21600 28400 19 37800 27300 30900 --- --- --- 34200 19800 25700 36000 20700 26300 20 35600 23500 28800 --- --- --- 34600 18800 24900 34700 20000 24800 21 36400 18600 26100 --- --- --- 33800 18800 24800 34600 18600 23600 22 34900 17800 24900 --- --- --- 34500 18800 24700 33900 14600 21600 23 34000 15900 22900 --- --- --- 34500 19200 24300 32700 14500 21700 24 33600 18400 23300 32600 17000 22700 31300 15800 20700 30900 15400 22300 25 34700 20700 25400 30700 13600 19500 34200 12800 20400 32100 16700 21800 26 35100 19100 24700 29500 13400 19100 36200 17900 24300 31600 17800 22700 27 30400 16400 21300 26800 13800 18700 37400 20200 25900 36300 18400 25200 28 33200 15500 20900 33100 11100 18800 34200 18000 24000 35500 22200 27500 29 33800 16800 22800 32900 16900 21500 34000 17100 23000 36800 24200 27900 30 34300 17000 22500 28100 12100 19800 36300 19200 24000 34700 25300 28900 31 --- --- --- 29800 15800 21500 35000 20400 24900 --- --- --- MONTH 37800 14200 24400 --- --- --- 37400 8090 23200 40200 14500 25800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 38400 25600 30200 36800 25000 29300 34000 20500 26400 36900 21100 26400 2 36500 22300 29300 34800 23100 27800 35600 19700 25600 36300 21100 26400 3 37700 24700 29600 32300 20800 25600 35600 20400 26600 35700 20000 26300 4 34200 20600 26200 33000 18600 25200 34800 21100 26600 32800 15900 22400 5 36100 17500 24200 35500 20800 27300 34100 19000 24400 34900 17200 23100 6 34300 17800 23200 36300 24200 28600 32800 16200 22900 29900 17900 22800 7 32300 17500 23400 35000 20000 25700 29000 14000 21100 29400 15200 21000 8 31700 20700 25700 34500 17700 23800 32900 16900 23700 34200 16200 21400 9 33300 23900 27200 37200 17000 24300 35000 22600 26500 31900 17500 21900 10 33700 23700 27400 35300 22800 27600 36400 23800 28700 --- --- --- 11 34300 21200 27000 35200 26000 29100 35000 21700 26700 --- --- --- 12 35400 23700 27800 37300 25200 30400 36200 19000 24300 --- --- --- 13 37100 23300 28600 39200 25500 30600 36100 19500 26000 --- --- --- 14 36500 25300 29800 39000 24200 29000 33500 20100 24900 --- --- --- 15 37100 22100 27700 39500 23300 28300 35300 18000 23200 --- --- --- 16 37300 23100 28400 39600 22300 28100 35200 19000 25200 --- --- --- 17 36200 20800 26400 38700 21100 26200 36100 19300 26600 --- --- --- 18 35500 20700 25700 33600 18700 24000 35700 21000 26100 --- --- --- 19 34600 20100 25200 37100 17400 25000 40500 19400 26100 35400 17800 24200 20 34200 17600 22700 36900 20700 25600 37300 18100 25500 31100 18400 24000 21 34400 14300 22000 37700 20800 26900 34700 18600 25300 34900 22000 26600 22 33900 15900 22700 35600 23200 27500 34000 19100 24700 32500 21400 26600 23 34400 15600 23100 34000 20700 25900 38200 21200 27700 33200 22300 26800 24 31100 19500 23600 35700 21500 26300 35700 24100 29200 36700 23200 27200 25 34500 19400 24400 38100 24000 28700 39500 23800 30200 34800 20300 25900 26 35100 18200 24200 36400 26000 29500 40800 27600 32600 33800 19600 26100 27 35000 21900 26700 35000 24600 29400 36800 25200 30600 36800 21000 28100 28 36600 23800 28100 36400 22900 27700 37800 24800 28700 37100 24600 29300 29 35100 25500 30400 35400 21900 26800 34300 22700 26600 36900 23200 28500 30 36300 25900 30900 34200 22100 27300 36800 21100 27000 35900 20200 26600 31 36600 26300 30600 --- --- --- 35700 20600 26900 35800 19600 25900 MONTH 38400 14300 26500 39600 17000 27200 40800 14000 26300 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 32900 19200 24400 35300 19900 25300 33900 14000 20700 35800 18900 22900 2 32400 18300 22700 35200 20700 25700 29700 14500 20200 35700 18400 23900 3 32800 19900 24700 31600 16000 22100 30900 15400 20800 30800 15100 20800 4 35900 18200 24300 28000 10800 17400 26700 14400 18300 34800 15100 24200 5 27200 14000 20800 24900 9360 15700 32900 17500 22800 35800 21800 28200 6 33900 18800 24500 29700 13800 19000 34800 23300 26900 34400 25300 29300 7 32800 19300 26500 27000 15000 19500 31400 23500 26500 35600 26300 30100 8 31400 17400 22900 29700 17900 21800 34300 24500 27600 34000 21600 27400 9 35200 17400 24200 35000 22100 24800 32400 20700 25700 35000 20300 25500 10 31700 18900 25400 31700 21200 25300 33300 17500 22900 34700 20100 25100 11 32000 20600 25000 32900 20000 26300 33000 18700 24000 35200 18400 24000 12 32400 17400 24000 34400 23000 28300 30000 20200 25000 35500 20600 25200 13 30500 18800 23400 32800 20000 26400 32000 18900 24400 32700 19900 25600 14 32000 17500 23300 29600 15600 21800 31200 18500 24200 33400 17200 23500 15 31700 18400 24100 32600 17300 22800 32800 18000 22700 35700 18600 23200 16 30000 17100 23000 27900 17000 22200 30800 17000 21700 33500 17500 22200 17 28700 18000 22800 35500 17200 22100 29300 16800 21100 33500 18400 22500 18 28700 18700 22700 31800 18800 23900 32000 16500 21400 32400 15700 22200 19 34000 20500 25500 32000 19300 23900 29800 17100 21200 29500 19400 22500 20 32600 23800 27000 33400 20900 26200 31700 16400 21100 34400 23800 28100 21 30700 17500 24400 34600 19800 24600 32300 17700 22800 36700 27200 31100 22 31200 17700 23400 34300 18700 24300 31400 18900 24200 38300 26800 31200 23 35600 21600 25900 31400 19100 23700 34800 20800 26700 38200 25700 30200 24 37400 23600 29500 31800 19200 24600 36600 24900 29600 37400 22000 27900 25 38100 28300 32500 32300 21400 25800 35600 24000 28800 35500 19400 25100 26 38700 27200 32400 33500 20400 26500 38600 20900 27500 35600 18100 24200 27 34600 21600 27800 33900 19100 26000 36800 20000 27600 36100 19200 24100 28 34900 16700 25100 37500 21000 27800 33900 19300 25100 35400 20200 25000 29 --- --- --- 38300 22500 28900 32400 13600 21700 35800 20200 25000 30 --- --- --- 36700 20900 27700 32400 15700 21400 35800 19600 24900 31 --- --- --- 33900 19100 25100 --- --- --- 32500 18600 24100 MONTH 38700 14000 25100 38300 9360 24000 38600 13600 23800 38300 15100 25500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 30900 18000 22600 28300 15500 21300 32600 18900 25400 31200 17000 21500 2 29800 16200 21700 28700 17900 22800 37300 22800 27800 33400 20800 24900 3 34200 15600 22400 33400 18700 23400 34000 24200 28800 35400 23200 29000 4 --- --- --- 35500 20000 24800 34300 23900 29000 34800 22800 28600 5 --- --- --- 34100 21600 25700 38600 24000 30400 34200 21000 26000 6 --- --- --- 35000 21100 25800 38900 26100 30900 36000 20500 26100 7 --- --- --- 34800 21200 26600 40100 26200 31300 34800 21000 26600 8 --- --- --- 34800 23600 28100 39800 26900 31900 34200 20000 25500 9 37800 25700 29900 34600 21200 27100 39500 25600 30900 34200 18500 25000 10 37600 23100 29800 32500 16800 24500 38400 23700 29000 35200 19700 25000 11 37100 24000 29200 33200 16000 22000 35800 21700 27000 32600 18800 23100 12 34400 22200 27500 38300 17800 25000 35300 20900 25900 34000 16000 22400 13 33900 18100 24800 36600 22800 27500 32200 19300 24400 32000 15000 21200 14 35800 16300 23000 36600 19800 26000 33700 18000 23900 31200 14200 19800 15 35800 18400 23700 31800 16200 22800 30600 18000 22700 30000 16400 20200 16 34800 21100 25800 30700 17000 22300 33800 14600 21100 27700 16500 20800 17 34500 19800 26400 32500 16700 21900 29000 13700 20700 32500 16100 22100 18 32000 17300 24600 30600 15000 22000 29100 15800 22000 30600 19000 24300 19 34100 19800 24700 30000 14800 21400 32400 17900 23800 33500 20600 25700 20 --- --- --- 30600 16400 21800 32800 20700 24500 32700 20700 25800 21 --- --- --- 32000 15700 22900 33100 18900 24600 31500 20500 24700 22 --- --- --- 33700 18800 24000 32300 19900 24300 34500 19000 24500 23 --- --- --- 33000 19500 24300 31200 18400 24200 31900 19000 24700 24 --- --- --- 30300 18000 22800 31600 19000 23000 31500 19700 23800 25 --- --- --- 31700 16900 21900 31000 18000 22200 33400 19600 24100 26 --- --- --- 32400 14200 20900 29900 18000 23400 30400 18200 22700 27 --- --- --- 29300 14200 19700 30300 18700 23100 26600 14200 18900 28 --- --- --- 31500 14200 18500 28400 19000 22900 27000 10700 16200 29 24400 11200 16800 31500 15400 20000 28000 17200 21400 31600 11000 17800 30 28200 11900 18900 28600 14100 19600 28200 15700 21200 33000 16800 22600 31 --- --- --- 31800 15800 22200 30200 15000 20000 --- --- --- MONTH --- --- --- 38300 14100 23200 40100 13700 25200 36000 10700 23500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 30600 19800 24700 32800 23500 27200 30700 16300 22500 29500 15000 20200 2 30800 17300 24200 32700 21900 26700 32000 19900 24600 26800 13100 18000 3 32200 18500 24600 33300 21000 26200 31600 18400 23800 28200 11400 17300 4 33000 18900 24500 33800 20500 25400 34600 18800 25000 24800 10300 16700 5 32200 19300 24500 35200 18300 25600 33800 18600 24300 28100 11700 17200 6 33100 18100 24400 31800 14900 22000 31600 17200 22300 28200 11900 16600 7 34200 19300 25800 31300 11200 19300 31500 15900 20900 26700 8770 15300 8 34400 18600 25100 31200 12700 19700 29700 13800 19000 26600 12700 16900 9 34900 18500 24600 32300 12400 19600 28200 13200 19100 26600 12300 17800 10 33100 18200 23500 30400 14400 19400 33200 17200 21300 27600 15300 19600 11 28600 14700 19500 25600 13900 18200 27800 19100 23200 29400 16100 20600 12 24000 9390 14200 28300 11800 16300 24800 14100 19200 30500 18100 22300 13 26300 7560 14200 26800 11700 17000 29000 16600 20400 32300 21300 25100 14 24800 10400 16100 33000 16100 21900 28900 11900 20400 32600 23900 27100 15 31900 15200 20800 31100 19400 23500 28100 13300 19500 31200 22600 27200 16 29000 16900 22400 32900 20100 24400 27600 14400 20300 36100 21700 28400 17 28400 15200 19900 32300 17000 22500 31800 13600 21300 33300 21400 27100 18 27700 14500 19400 27400 12000 18000 33400 17800 24100 34000 19500 26100 19 25700 13800 18500 31100 13200 20100 33900 20100 25500 30600 16800 22000 20 27200 13500 18400 31700 15200 21000 31800 17200 24300 28900 14700 19000 21 25200 13300 18100 29200 15100 21400 26600 11200 17700 32300 14500 20500 22 25900 14000 18800 31200 16500 20400 29100 14000 18300 31000 18600 23300 23 31200 15400 20300 29100 10100 17600 26400 12600 18500 29800 19200 23000 24 28200 16200 21000 30800 12600 19800 29300 13400 20500 24700 14000 18300 25 32700 17300 21800 29100 17000 20900 24400 11200 17700 29500 15100 20200 26 33600 16400 21500 31300 14100 20700 25000 7410 14100 31600 18300 21800 27 34400 16000 21700 28000 16300 20600 26200 14600 18800 28600 19800 22900 28 33900 18800 23200 28200 18300 22100 23900 13400 17900 34200 21500 25000 29 34100 19300 23300 30000 21200 25200 26700 13500 17800 31600 21400 25500 30 32800 20800 25000 29900 16300 23500 27500 15100 20200 32200 19500 24600 31 34800 21900 25900 --- --- --- 27800 16100 20700 30700 18600 23000 MONTH 34900 7560 21600 35200 10100 21500 34600 7410 20700 36100 8770 21600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 32500 16100 22400 31200 19200 24600 23200 13100 17000 28400 13000 17600 2 30800 17400 22000 32200 19200 24600 23100 11800 16300 27300 14300 18700 3 30800 16500 21000 27600 16500 21000 22300 10400 14900 26500 12700 18600 4 28700 15000 20300 28300 13600 19000 27300 10800 15300 30000 15400 19800 5 28900 12800 17700 26300 13700 17600 23000 12400 16500 27400 17800 21300 6 28500 14200 18900 21300 9260 14700 30400 12600 17200 27400 12100 18300 7 28500 15300 20100 21600 9420 14000 30400 16100 19600 20400 6880 13600 8 24300 14500 18700 22300 11400 16000 22600 10700 15300 27800 10800 16000 9 27400 15400 20700 26500 13700 17600 26200 11800 16700 22200 13100 16900 10 29300 17700 22000 26500 13800 18200 27500 14400 18500 24100 14700 18700 11 27800 15800 21000 28800 15800 20300 27100 15400 19600 26600 16400 20000 12 30000 19200 23700 26600 14700 18500 28400 14700 20300 29700 16700 21700 13 30800 19200 25100 28300 14600 19900 27600 15300 20400 32800 18200 23600 14 33000 21900 27100 27700 19000 22600 27000 14900 20400 34900 20400 25100 15 33500 23800 29100 32300 21200 25600 27500 14500 19800 34200 21300 26100 16 36600 25400 29800 32600 23000 27400 29700 13400 19600 34500 18300 24800 17 35600 24800 29200 32400 19700 25900 30700 13400 20300 35500 18300 24300 18 34400 21800 26900 31500 18400 25100 29800 15000 20200 34800 19900 25300 19 33900 21900 26000 31400 17800 23900 29000 12100 18700 34800 17800 23100 20 31800 20100 24100 31200 14900 22400 28200 12200 17600 34400 18100 23000 21 32500 18900 24300 22500 6100 13300 27800 13100 18200 31400 15000 21500 22 32000 19600 24600 17900 2740 7070 25500 10400 16800 26200 16000 20300 23 28600 7420 17800 14200 3390 7130 20100 11700 14800 26100 12500 17400 24 27100 8220 15100 15600 5280 8980 24500 13400 17200 24300 12400 17300 25 29600 13200 18900 20500 7390 12100 24400 14200 18400 26200 13300 18400 26 32100 18800 22400 18900 9640 13400 26600 13500 18000 24500 14200 18900 27 31100 18800 24000 20300 12000 15700 26300 12100 17800 --- --- --- 28 30200 16100 22200 24800 13500 19000 26000 14900 18900 --- --- --- 29 --- --- --- 24400 13600 18100 26900 12600 18300 29600 15500 20600 30 --- --- --- --- --- --- 24600 13200 17300 29800 15500 20500 31 --- --- --- 22400 11700 15600 --- --- --- 29200 16400 21000 MONTH 36600 7420 22700 --- --- --- 30700 10400 18000 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 27300 13200 19100 32200 16200 22200 --- --- --- 30400 17000 21900 2 29900 15600 20400 27400 18600 22900 24200 13900 18300 32600 16000 21700 3 27200 18500 22300 26500 13000 18500 24500 12100 17500 32700 14900 22100 4 27000 15300 20900 26500 12800 17700 26200 12600 17400 34800 18000 23700 5 25400 13100 18000 26500 13200 17100 25800 10800 16400 33200 15800 22900 6 26500 14400 19000 24200 12100 16900 27200 11200 17200 33300 20600 25300 7 28000 17600 21400 26400 12300 17200 31500 12400 19200 34000 18200 24300 8 26700 15300 19700 28600 11600 17900 30700 13300 20300 30000 18900 23800 9 26700 7270 17800 32800 13400 19700 31800 12500 20400 28100 13700 21100 10 28600 10000 19000 32900 14500 21800 29600 12800 19400 27400 11800 17900 11 29500 13500 20000 32000 16000 22200 31900 13800 19900 27500 8530 16100 12 29800 13900 20600 32500 15300 21800 31400 16400 20800 24800 13500 18100 13 29800 12200 18400 32700 16900 22100 31100 17500 21700 22700 11100 15500 14 29700 12700 18200 29400 16500 21300 29200 17000 22400 21900 9500 15100 15 28900 12300 18200 30700 17300 21500 27800 16700 20900 22800 9650 15500 16 28200 11800 17400 30000 16500 21800 27100 14300 20000 24400 10800 16500 17 24700 9910 16600 27500 14800 20300 29200 15300 20600 28700 16200 20000 18 24700 10300 15300 27700 14600 19600 26400 14100 19700 31200 18400 22400 19 22100 7200 13200 25000 10000 18200 30900 14300 20700 33200 16000 21500 20 19200 7090 11900 22200 9860 16000 36000 18000 24000 35700 16900 23100 21 22800 8500 13900 27100 10500 18300 32300 19600 24300 37600 21900 26500 22 26800 9840 15600 28200 13100 19000 34400 19300 24400 36400 26700 30400 23 26800 9990 17200 --- --- --- 33600 19300 24200 35900 25500 30500 24 27300 10200 18200 --- --- --- 34400 18800 25700 37200 23900 29500 25 30700 13800 19700 --- --- --- 35200 23000 28200 36400 22800 29300 26 31600 15700 21300 --- --- --- 34500 21900 28400 34000 22200 27900 27 30100 15400 22300 --- --- --- 34200 20700 26800 34000 21500 27100 28 30400 16000 22600 --- --- --- 32300 20100 25500 33700 20300 25400 29 30900 17400 22800 --- --- --- 31900 20400 24600 32500 17200 23200 30 31900 16400 22200 --- --- --- 31500 19400 24100 32400 17600 22600 31 --- --- --- --- --- --- 29800 18800 23000 --- --- --- MONTH 31900 7090 18800 --- --- --- --- --- --- 37600 8530 22700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 33300 17200 22800 31200 15000 21500 28600 16400 21300 --- --- --- 2 34600 18100 23200 33400 18400 23200 29800 17400 21600 --- --- --- 3 33300 20400 24500 32800 20500 25400 32800 21800 26000 --- --- --- 4 31900 21000 24900 31600 20400 25400 33500 24500 27400 --- --- --- 5 31800 16400 23100 31100 19900 24100 35700 25500 29200 --- --- --- 6 30900 18500 23300 30800 19300 23100 32600 21500 26900 --- --- --- 7 33200 18600 23600 29700 17200 21900 35900 22000 27200 33100 22500 26900 8 30900 20000 24000 33000 14900 23100 36000 23000 27500 33800 20400 25900 9 30000 18700 23700 30400 21600 24600 32600 20000 26200 35000 21800 27200 10 32600 19800 24400 33200 21400 25000 36400 21600 27400 33600 22600 26800 11 31600 18800 24400 33900 17700 24200 29300 19700 24200 33200 20400 25700 12 32400 19000 24100 31800 18200 23100 31400 15100 22100 30700 20000 23800 13 32700 18100 24600 31700 15400 21300 35000 20100 24900 34600 17000 22900 14 33500 19200 25100 32900 15500 21400 35800 23400 27300 30800 20300 25600 15 28800 17200 22100 32600 18200 23200 30800 19200 24600 30400 19300 24700 16 31900 15500 21200 32800 19700 24200 29900 16500 23400 32200 19800 25200 17 32700 18500 23000 34500 20200 24800 33000 18900 25200 33800 22300 26600 18 31700 17400 21800 35200 21800 27700 33100 19900 25000 35400 24200 29400 19 32600 20300 25100 34400 26200 29800 32500 19100 25800 34600 23300 27900 20 36300 24000 28000 33300 23400 27700 31600 19100 24600 36300 23300 28800 21 34900 25000 28600 34400 23900 28100 33300 20600 26000 37500 22500 28300 22 34600 22700 27800 35700 23200 28400 34500 21200 26400 35200 22200 26700 23 34700 23100 28900 36100 23100 27700 35600 19600 26300 29700 16500 22600 24 34500 23600 28500 35800 20300 26900 34900 20700 26100 30000 17200 21300 25 35200 22400 27200 36000 19400 25400 31800 18300 23500 30400 16000 22400 26 34500 20400 25700 35600 19400 25000 33000 17400 22800 29300 19200 23300 27 34900 19500 25300 35700 18500 24200 31300 14800 22100 29600 17700 22000 28 33800 17600 24000 32500 18200 23100 29600 15100 20500 26200 12100 18100 29 31500 18400 23100 26500 8730 16500 --- --- --- 24700 12800 17500 30 31000 14900 20500 31200 14000 20400 --- --- --- 28500 15500 19900 31 33000 12400 19200 --- --- --- --- --- --- 31000 17900 22600 MONTH 36300 12400 24400 36100 8730 24300 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 34200 22200 27600 27200 13900 20100 33500 21000 27600 28800 20700 25000 2 32900 27000 29700 27900 16600 21100 32200 19800 25400 29100 22000 25000 3 34400 25900 30800 28600 19700 23100 33400 20700 25900 27900 17400 22700 4 33400 21600 27000 32400 22600 26200 32400 22100 26700 30400 17600 22200 5 35900 19200 26900 33200 24500 27600 32800 22700 27100 29500 17100 22300 6 34200 24600 29100 32600 18800 25600 32200 20900 25800 32800 18200 22600 7 30800 18600 24800 30000 18100 23500 29700 18600 23700 32600 18400 23500 8 30600 13100 20000 32600 17400 23600 --- --- --- 32600 15800 22100 9 30000 18300 23300 34200 18300 24700 --- --- --- 30300 17400 22200 10 31200 19800 23900 30700 19700 24300 33400 20100 24700 32800 18600 22900 11 27900 17300 22300 30700 17800 23300 32300 19700 24200 28900 19800 23100 12 28300 18100 21800 32400 15100 22000 30600 18600 23300 29800 19100 23400 13 28600 16800 21900 28600 16400 22000 27100 15300 21200 28400 18200 22200 14 28400 17800 22200 31200 17900 23200 23400 11400 16200 28500 18100 21800 15 30700 18000 23000 30800 18100 23800 28800 12100 20600 28800 15400 20600 16 31700 18000 22700 32500 21000 24600 30300 19400 24600 29100 16300 21500 17 33400 18000 22400 31400 21200 25000 28900 20900 24600 29200 17500 22200 18 31000 15600 22000 32700 21500 26500 27600 18100 22700 29900 18900 23000 19 30700 15200 21100 30400 20000 24900 27800 16900 21800 32600 19500 23500 20 29500 14900 20500 31700 19200 24900 29600 16400 21000 28300 17600 22900 21 26000 13400 18000 28600 18200 23200 29700 17100 20900 27400 15800 20700 22 27500 11300 18800 28400 17200 21800 28700 16300 20300 30400 16500 20700 23 27000 15800 20400 29700 17000 21400 26100 15500 19600 30500 17700 22000 24 29400 16800 21400 27400 15500 20300 26700 13100 17900 30500 19300 23200 25 31600 18000 22600 26800 13200 19200 30200 13900 19300 30200 19600 23900 26 29100 20700 24200 28800 14600 19100 28700 17400 21200 32100 18800 24400 27 27300 15600 20300 29400 17300 21600 28700 18800 22200 35500 20500 25700 28 29800 16000 20200 32000 19100 23000 30000 19300 22500 34400 22000 27600 29 29000 14200 19700 33900 22300 26200 30900 20900 24700 34400 20700 27400 30 --- --- --- 34600 25500 28900 31700 22100 25300 37000 25800 31400 31 --- --- --- 35700 25100 29700 --- --- --- 34800 28700 31700 MONTH 35900 11300 23100 35700 13200 23700 --- --- --- 37000 15400 23700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720677 COOPER RIVER @ FILBIN CREEK @ NORTH CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 325325 LONGITUDE 0795747 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 0 NGVD29 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 34500 24800 29100 35500 20900 28100 37200 23700 28800 19900 8610 12400 2 34800 25400 28800 35800 21400 26400 36700 23200 28400 24300 8720 13700 3 --- --- --- 35200 18900 25600 37300 23600 28600 26000 11400 16100 4 --- --- --- 34900 20800 25800 35400 23000 27900 26500 11500 17200 5 --- --- --- 34500 20600 24900 34800 22700 26700 27800 14400 19500 6 --- --- --- 34300 17700 23300 35000 19600 25700 26900 17800 20700 7 --- --- --- 32600 21100 25100 37000 21900 27900 27000 19000 22100 8 --- --- --- 33900 21300 26000 35600 24400 28700 26400 17700 21300 9 --- --- --- 31700 20600 25000 35700 23300 27700 22100 8070 15300 10 --- --- --- 33400 20500 25500 35700 22200 27100 28400 10600 16100 11 32500 18900 24700 36200 18600 26600 38900 21900 27800 30400 16500 21200 12 34600 18300 24100 36000 21200 27100 38600 24500 29000 30600 20500 25200 13 33200 21000 27200 35900 22500 27300 34300 21600 27100 --- --- --- 14 32200 23100 27500 35600 20800 26500 34800 23600 26500 --- --- --- 15 32600 19600 25400 34700 19700 26700 33600 22600 26900 30400 22400 26200 16 30200 15600 22900 38200 22600 27900 33800 23200 27000 29600 19500 24300 17 31100 15500 22000 34700 22900 28600 32800 21900 26200 29200 18800 23300 18 30600 16100 22400 34900 20900 27300 30400 20700 25100 26700 14000 18100 19 32800 18200 23400 32700 21400 26200 30200 18800 22800 27500 14400 19800 20 33000 20200 24600 31900 22000 25900 27700 17400 21900 32600 19000 23600 21 34900 24200 27100 34400 20500 26100 29200 16400 21100 32600 23600 26700 22 --- --- --- --- --- --- 30400 15400 21300 31800 23900 26800 23 --- --- --- --- --- --- 34900 17500 24000 29400 17800 23800 24 --- --- --- --- --- --- 33400 21300 26500 30100 18600 23500 25 --- --- --- --- --- --- 34100 23000 27400 30500 20700 24500 26 --- --- --- --- --- --- 35000 20700 27300 31100 21900 25100 27 --- --- --- 37900 22800 28000 35200 22600 27700 30300 21400 25700 28 --- --- --- 35900 20800 28700 35200 22500 28100 26200 14200 20200 29 --- --- --- 36200 20700 28100 29600 15700 22500 22900 12000 16800 30 --- --- --- 36800 23500 28600 21800 8050 14000 26300 15000 18400 31 --- --- --- 37500 24100 29200 21100 7330 12500 --- --- --- MONTH --- --- --- --- --- --- 38900 7330 25500 --- --- ---