Minimum, mean, maximum, and flow-duration statistics of daily mean discharges for each full water year during period of record at streamgage. Notes: (1) The statistics generated are based on approved daily-mean data and may not match those published by the USGS in official publications. (2) This table is designed to allow import of data into files supported by other software. (3) Some columns in the table below contain site attributes and data duplicated on each line of record to provide user flexibility in manipulation of data in other files. (4) The user is responsible for assessment and use of the statistics from this site. DATE runprocess RUN: Fri Jan 9 17:11:56 EST 2015 Userid: jcweaver Agency: USGS Station: 02077303 Station name: Hyco River below Afterbay Dam near McGehees Mill Station status: Active Drainage area: 202 sqmi County: Person Period of record string: October 1973 to current HUC: 03010104 Flow conditions: regulated Begin stat date: 10/01/1973 End stat date: 09/30/2012 Begin statistics WY: 1974 End statistics WY: 2012 Statistics POR: Specified POR year: 38.02191781 POR year recent: 38.02191781 POR class: 26 to 50 Period of record : Specified period ==> Begin year: 1974 water year ==> End year: 2012 water year Data heading explanations. Site_number -- Site identification number. Statistics_begin_date -- Begin date of period for analysis. Statistics_end_date -- End date of period for analysis. Full_water_years_summary -- Period of record containing full water years only. Water_Year -- Water year for which the statistics apply. Statistic -- Discharge statistic (e.g., daily, 7-day, etc). No_values -- Number of values used in the calculation. Mean -- Mean of daily mean values for the categorical period. Min -- Minimum of daily mean values for the categorical period. Min_date_CalYr -- Calendar date (or year) on which the minimum value occurred. Percentile_05 -- 05 percentile of daily mean values for the categorical period. Percentile_10 -- 10 percentile of daily mean values for the categorical period. Percentile_25 -- 25 percentile of daily mean values for the categorical period. Percentile_50 (Median) -- 50 percentile (median) of daily mean values for the categorical period. Percentile_75 -- 75 percentile of daily mean values for the categorical period. Percentile_90 -- 90 percentile of daily mean values for the categorical period. Percentile_95 -- 95 percentile of daily mean values for the categorical period. Max_date_CalYr -- Calendar date (or year) on which the minimum value occurred. Max -- Maximum of daily mean values for the categorical period. Days_at_or_below_10Percentile -- Number of days during water year daily mean discharge at or below 10th percentile. Events_at_or_below_10Percentile -- Number of events of one or more days during water year daily mean discharge at or below 10th percentile. Max_event_duration -- Duration (number of days) of longest event. Site_number Statistics_begin_date Statistics_end_date Full_water_years_summary Water_Year Statistic No_values Mean Min Min_date_CalYr Percentile_05 Percentile_10 Percentile_25 Percentile_50(Median) Percentile_75 Percentile_90 Percentile_95 Max Max_date_CalYr Days_at_or_below_10Percentile Events_at_or_below_10Percentile Max_event_duration 02077303 10/01/1973 09/30/1974 1974-2012 1974 Daily discharge 365 188 1.7 06/11/1974 2.8 5.2 7.5 22 197 462 654 8570 09/07/1974 37 3 22 02077303 10/01/1974 09/30/1975 1974-2012 1975 Daily discharge 365 392 9.0 08/08/1975 16 17 34 87 189 810 2170 9280 07/14/1975 39 8 18 02077303 10/01/1975 09/30/1976 1974-2012 1976 Daily discharge 366 81.8 14 09/02/1976 14 16 19 31 61 178 514 690 10/01/1975 58 3 36 02077303 10/01/1976 09/30/1977 1974-2012 1977 Daily discharge 365 62.4 0.31 09/21/1977 0.83 1.7 13 21 66 211 298 647 03/08/1977 38 6 18 02077303 10/01/1977 09/30/1978 1974-2012 1978 Daily discharge 365 324 5.4 10/01/1977 13 25 44 71 166 862 1760 8460 04/27/1978 36 4 25 02077303 10/01/1978 09/30/1979 1974-2012 1979 Daily discharge 365 293 10 09/12/1979 18 23 34 37 189 629 1330 8000 02/25/1979 43 4 31 02077303 10/01/1979 09/30/1980 1974-2012 1980 Daily discharge 366 167 11 09/22/1980 22 30 80 87 119 430 558 1940 11/13/1979 54 4 30 02077303 10/01/1980 09/30/1981 1974-2012 1981 Daily discharge 365 17.9 3.1 04/15/1981 6.4 6.9 11 15 24 32 36 121 07/04/1981 38 8 13 02077303 10/01/1981 09/30/1982 1974-2012 1982 Daily discharge 365 207 5.5 09/09/1982 7.9 8.6 14 39 141 672 1010 2740 02/04/1982 40 6 17 02077303 10/01/1982 09/30/1983 1974-2012 1983 Daily discharge 365 241 4.1 10/20/1982 12 14 18 88 310 565 1080 3340 04/16/1983 40 7 24 02077303 10/01/1983 09/30/1984 1974-2012 1984 Daily discharge 366 291 5.9 02/06/1984 12 14 29 93 269 781 1560 4570 07/29/1984 38 11 8 02077303 10/01/1984 09/30/1985 1974-2012 1985 Daily discharge 365 83.3 7.8 05/07/1985 8.2 8.7 9.6 12 33 133 418 2060 01/05/1985 41 4 28 02077303 10/01/1985 09/30/1986 1974-2012 1986 Daily discharge 365 77.8 8.3 06/25/1986 9.8 10 11 15 84 148 208 2610 11/23/1985 73 9 24 02077303 10/01/1986 09/30/1987 1974-2012 1987 Daily discharge 365 209 8.7 10/21/1986 11 11 11 13 112 489 1310 6010 03/02/1987 111 11 30 02077303 10/01/1987 09/30/1988 1974-2012 1988 Daily discharge 366 78.3 7.8 10/31/1987 12 12 16 23 121 216 371 943 01/21/1988 46 5 34 02077303 10/01/1988 09/30/1989 1974-2012 1989 Daily discharge 365 190 8.8 12/31/1988 13 14 15 23 133 502 983 3280 02/22/1989 90 5 31 02077303 10/01/1989 09/30/1990 1974-2012 1990 Daily discharge 365 191 14 11/16/1989 14 14 21 116 162 509 897 1800 10/03/1989 41 5 18 02077303 10/01/1990 09/30/1991 1974-2012 1991 Daily discharge 365 136 13 05/25/1991 13 13 14 15 106 207 703 4370 03/30/1991 57 4 44 02077303 10/01/1991 09/30/1992 1974-2012 1992 Daily discharge 366 90.5 12 10/01/1991 14 15 17 21 46 110 444 3010 01/05/1992 73 8 15 02077303 10/01/1992 09/30/1993 1974-2012 1993 Daily discharge 365 243 6.0 10/28/1992 13 14 23 46 228 650 1090 6550 03/05/1993 37 2 28 02077303 10/01/1993 09/30/1994 1974-2012 1994 Daily discharge 365 146 11 11/12/1993 13 13 15 19 100 257 837 5050 03/03/1994 65 4 30 02077303 10/01/1994 09/30/1995 1974-2012 1995 Daily discharge 365 135 15 11/18/1994 17 17 18 20 83 151 685 6590 06/30/1995 43 5 22 02077303 10/01/1995 09/30/1996 1974-2012 1996 Daily discharge 366 231 14 07/21/1996 15 18 78 98 210 402 845 7000 09/07/1996 57 4 36 02077303 10/01/1996 09/30/1997 1974-2012 1997 Daily discharge 365 191 18 08/13/1997 23 32 66 92 112 355 716 3950 04/30/1997 41 5 26 02077303 10/01/1997 09/30/1998 1974-2012 1998 Daily discharge 365 229 0.27 11/02/1997 2.1 2.2 3.0 23 103 653 1270 4600 03/20/1998 44 5 29 02077303 10/01/1998 09/30/1999 1974-2012 1999 Daily discharge 365 99.5 0.28 08/05/1999 0.64 2.7 4.0 15 78 91 323 3930 09/17/1999 44 6 37 02077303 10/01/1999 09/30/2000 1974-2012 2000 Daily discharge 366 107 12 08/01/2000 16 16 17 20 71 298 528 1440 04/19/2000 41 13 9 02077303 10/01/2000 09/30/2001 1974-2012 2001 Daily discharge 365 71.8 2.5 12/20/2000 2.5 3.0 12 15 19 79 213 2190 03/30/2001 36 1 36 02077303 10/01/2001 09/30/2002 1974-2012 2002 Daily discharge 365 5.11 1.6 09/04/2002 1.8 2.2 4.2 4.8 6.1 6.7 7.6 18 10/01/2001 39 2 17 02077303 10/01/2002 09/30/2003 1974-2012 2003 Daily discharge 365 394 1.7 10/05/2002 50 52 55 75 488 1040 1610 5410 03/21/2003 48 10 12 02077303 10/01/2003 09/30/2004 1974-2012 2004 Daily discharge 366 86.3 14 08/12/2004 16 16 18 45 83 169 292 1030 12/15/2003 38 10 19 02077303 10/01/2004 09/30/2005 1974-2012 2005 Daily discharge 365 112 17 12/07/2004 19 19 20 21 82 217 437 2960 12/11/2004 85 17 36 02077303 10/01/2005 09/30/2006 1974-2012 2006 Daily discharge 365 38.4 2.7 11/30/2005 3.4 7.4 15 16 18 28 188 1010 12/17/2005 39 4 25 02077303 10/01/2006 09/30/2007 1974-2012 2007 Daily discharge 365 129 2.0 08/23/2007 2.3 2.5 12 19 104 392 630 3300 11/24/2006 39 5 28 02077303 10/01/2007 09/30/2008 1974-2012 2008 Daily discharge 366 56.7 2.2 11/08/2007 2.6 2.9 4.7 15 19 24 217 2110 04/06/2008 39 6 25 02077303 10/01/2008 09/30/2009 1974-2012 2009 Daily discharge 365 121 10 12/17/2008 13 14 15 18 90 243 707 4450 06/06/2009 57 10 34 02077303 10/01/2009 09/30/2010 1974-2012 2010 Daily discharge 365 180 0.29 09/29/2010 9.4 9.9 12 16 134 436 917 4380 11/13/2009 39 7 14 02077303 10/01/2010 09/30/2011 1974-2012 2011 Daily discharge 365 50.4 0.27 10/01/2010 0.94 8.4 11 15 75 112 228 503 03/25/2011 39 6 27 02077303 10/01/2011 09/30/2012 1974-2012 2012 Daily discharge 366 41.0 2.9 08/27/2012 3.1 3.2 8.1 13 31 102 188 899 03/26/2012 38 3 19