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 23:05:11 EST 2015 Userid: jcweaver Agency: USGS Station: 02146211 Station name: Irwin Creek at Statesville Avenue at Charlotte Station status: Active Drainage area: 5.97 sqmi County: Mecklenburg Period of record string: October 1981 to September 1994; November 1997 to September 2001; June 2004 to current HUC: 03050102 Flow conditions: unregulated Begin stat date: Begin record End stat date: 09/30/2012 Begin statistics WY: 1982 End statistics WY: 2012 Statistics POR: Full POR year: 24.09589041 POR year recent: 7.334246575 POR class: 1 to 10 Period of record : Full period ==> Begin year: 1981 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 02146211 10/01/1981 09/30/1982 1982-94; 1999-2001; 2005-12 1982 Daily discharge 365 7.87 0.32 10/12/1981 0.56 0.76 1.1 2.8 5.2 13 30 327 06/18/1982 38 9 14 02146211 10/01/1982 09/30/1983 1982-94; 1999-2001; 2005-12 1983 Daily discharge 365 7.62 0.32 09/25/1983 0.42 0.61 1.2 2.9 6.2 15 27 165 02/14/1983 36 10 9 02146211 10/01/1983 09/30/1984 1982-94; 1999-2001; 2005-12 1984 Daily discharge 366 10.7 0.28 10/07/1983 0.56 0.77 1.8 3.9 7.5 18 48 255 12/06/1983 36 6 9 02146211 10/01/1984 09/30/1985 1982-94; 1999-2001; 2005-12 1985 Daily discharge 365 6.85 0.61 09/28/1985 0.89 1.0 1.2 2.0 3.3 11 28 205 05/16/1985 47 7 21 02146211 10/01/1985 09/30/1986 1982-94; 1999-2001; 2005-12 1986 Daily discharge 365 5.44 0.16 08/01/1986 0.34 0.44 0.85 2.2 3.4 9.1 19 388 11/21/1985 37 7 9 02146211 10/01/1986 09/30/1987 1982-94; 1999-2001; 2005-12 1987 Daily discharge 365 6.67 0.20 08/30/1987 0.29 0.38 1.0 2.1 4.8 13 24 200 02/28/1987 37 7 16 02146211 10/01/1987 09/30/1988 1982-94; 1999-2001; 2005-12 1988 Daily discharge 366 5.89 0.52 08/19/1988 0.77 0.99 1.3 2.9 5.1 14 21 157 11/27/1987 37 14 7 02146211 10/01/1988 09/30/1989 1982-94; 1999-2001; 2005-12 1989 Daily discharge 365 8.16 0.67 08/13/1989 1.0 1.3 1.7 2.6 6.2 18 32 165 03/23/1989 48 9 13 02146211 10/01/1989 09/30/1990 1982-94; 1999-2001; 2005-12 1990 Daily discharge 365 8.62 0.52 09/07/1990 0.61 0.77 1.8 3.1 5.9 15 33 248 05/28/1990 37 10 9 02146211 10/01/1990 09/30/1991 1982-94; 1999-2001; 2005-12 1991 Daily discharge 365 9.79 0.52 10/07/1990 0.81 1.1 1.9 3.7 7.2 16 40 242 03/03/1991 39 7 19 02146211 10/01/1991 09/30/1992 1982-94; 1999-2001; 2005-12 1992 Daily discharge 366 6.62 0.42 09/25/1992 0.72 0.82 0.97 2.2 4.0 12 35 157 06/04/1992 44 10 15 02146211 10/01/1992 09/30/1993 1982-94; 1999-2001; 2005-12 1993 Daily discharge 365 9.87 0.35 09/02/1993 0.45 0.58 1.2 3.5 8.1 21 44 183 10/04/1992 36 6 10 02146211 10/01/1993 09/30/1994 1982-94; 1999-2001; 2005-12 1994 Daily discharge 365 6.28 0.24 10/10/1993 0.32 0.79 1.3 2.3 4.1 13 24 133 04/16/1994 36 4 29 02146211 10/01/1998 09/30/1999 1982-94; 1999-2001; 2005-12 1999 Daily discharge 365 4.09 0.33 08/22/1999 0.45 0.51 0.79 1.6 2.8 6.6 13 141 01/23/1999 37 9 7 02146211 10/01/1999 09/30/2000 1982-94; 1999-2001; 2005-12 2000 Daily discharge 366 5.62 0.44 08/16/2000 0.63 0.73 1.0 1.9 3.7 11 27 101 09/23/2000 39 17 6 02146211 10/01/2000 09/30/2001 1982-94; 1999-2001; 2005-12 2001 Daily discharge 365 3.25 0.18 08/21/2001 0.31 0.44 0.81 1.2 2.2 5.7 12 118 03/29/2001 37 11 7 02146211 10/01/2004 09/30/2005 1982-94; 1999-2001; 2005-12 2005 Daily discharge 365 5.08 0.39 09/30/2005 0.59 0.80 1.3 1.9 3.7 8.8 20 124 03/28/2005 36 5 16 02146211 10/01/2005 09/30/2006 1982-94; 1999-2001; 2005-12 2006 Daily discharge 365 7.64 0.32 10/02/2005 0.59 0.83 1.1 1.6 2.8 12 48 223 08/22/2006 39 10 24 02146211 10/01/2006 09/30/2007 1982-94; 1999-2001; 2005-12 2007 Daily discharge 365 7.74 0.19 09/29/2007 0.35 0.44 1.2 2.2 3.4 12 30 328 03/02/2007 37 3 15 02146211 10/01/2007 09/30/2008 1982-94; 1999-2001; 2005-12 2008 Daily discharge 366 6.36 0.18 10/03/2007 0.29 0.36 0.48 1.2 2.3 9.9 25 429 08/27/2008 42 10 8 02146211 10/01/2008 09/30/2009 1982-94; 1999-2001; 2005-12 2009 Daily discharge 365 6.55 0.50 09/07/2009 0.65 0.72 1.1 2.0 3.8 14 33 175 06/05/2009 38 9 8 02146211 10/01/2009 09/30/2010 1982-94; 1999-2001; 2005-12 2010 Daily discharge 365 9.51 0.55 10/04/2009 0.65 0.72 1.2 2.6 4.9 16 34 279 08/06/2010 39 8 9 02146211 10/01/2010 09/30/2011 1982-94; 1999-2001; 2005-12 2011 Daily discharge 365 6.37 0.33 07/30/2011 0.47 0.55 0.67 1.2 2.1 8.7 24 800 08/05/2011 39 14 14 02146211 10/01/2011 09/30/2012 1982-94; 1999-2001; 2005-12 2012 Daily discharge 366 5.03 0.30 09/16/2012 0.42 0.59 1.2 2.0 3.4 12 24 83 12/21/2011 37 12 8