# # This is an rdb datafile for a station in the # US Geological Survey National Water Conditions Report # # This file contains monthly information for station # 01491000 Choptank River near Greensboro, Maryland # Basin 03, Drainage Area 113 square miles # # Discharge values are in cubic feet per second # # # station USGS station ID (8 or 15 digit, zero filled) # # (not shown in file, it is in the file name) # year Year of this record (ex. 1995) # month Month of this record (zero filled, ex. 06) # max Maximum daily mean value for this month # max_day Day maximum occurred (numerical) # mean Mean of the daily mean values for this month # min Minimum daily mean value for this month # min_day Day minimum occured # end Daily mean value for the end of this month # end_day Day used for end (May not coincide with month end) # The following three fields are used to generate graphs # hmax Historical maximum for this month # hmean Mean for period of record for this month # hmin Historical minimum for this month # year month max max_day mean min min_day end end_day hmax hmean hmin 4s 2s 8s 2s 8s 8s 2s 8s 2s 8s 8s 1991 06 12070.00 24019.00 6666.00 1937.00 1992 06 5425.00 24019.00 6666.00 1937.00 1993 06 6193.00 24019.00 6666.00 1937.00 1994 06 6148.00 24019.00 6666.00 1937.00 1995 06 4399.00 24019.00 6666.00 1937.00 1991 07 2401.00 14838.00 3333.00 696.00 1991 05 192.00 649.00 168.00 47.20 1991 06 88.70 457.00 114.00 30.30 1991 07 69.80 329.00 70.79 19.50 1991 08 93.90 421.00 39.69 9.49 1991 09 48.00 829.00 26.00 5.31 1991 10 25.80 323.00 24.30 9.37 1991 11 26.60 402.00 27.69 9.84 1991 12 24.60 476.00 47.00 10.90 1992 01 79.20 475.00 98.60 13.30 1992 02 80.90 559.00 181.00 17.89 1992 03 84.10 646.00 179.00 42.80 1992 04 198.00 557.00 213.00 43.70 1992 05 110.00 649.00 168.00 47.20 1992 06 115.00 457.00 114.00 30.30 1992 07 79.80 329.00 70.79 19.50 1992 08 24.20 421.00 39.69 9.49 1992 09 62.80 829.00 26.00 5.31 1992 10 40.40 323.00 24.30 9.37 1992 11 38.80 402.00 27.69 9.84 1992 12 70.50 476.00 47.00 10.90 1993 01 122.00 475.00 98.60 13.30 1993 02 174.00 559.00 181.00 17.89 1993 03 170.00 646.00 179.00 42.80 1993 04 513.00 557.00 213.00 43.70 1993 05 315.00 649.00 168.00 47.20 1993 06 109.00 457.00 114.00 30.30 1993 07 39.60 329.00 70.79 19.50 1993 08 13.20 421.00 39.69 9.49 1993 09 9.70 829.00 26.00 5.31 1993 10 9.83 323.00 24.30 9.37 1993 11 12.20 402.00 27.69 9.84 1993 12 20.20 476.00 47.00 10.90 1994 01 51.40 475.00 98.60 13.30 1994 02 188.00 559.00 181.00 17.89 1994 03 377.00 646.00 179.00 42.80 1994 04 838.00 557.00 213.00 43.70 1994 05 331.00 649.00 168.00 47.20 1994 06 121.00 457.00 114.00 30.30 1994 07 53.10 329.00 70.79 19.50 1994 08 69.20 421.00 39.69 9.49 1994 09 155.00 829.00 26.00 5.31 1994 10 96.50 323.00 24.30 9.37 1994 11 55.90 402.00 27.69 9.84 1994 12 58.50 476.00 47.00 10.90 1995 01 87.30 475.00 98.60 13.30 1995 02 187.00 559.00 181.00 17.89 1995 03 124.00 646.00 179.00 42.80 1995 04 222.00 557.00 213.00 43.70 1995 05 82.30 649.00 168.00 47.20 1995 06 104.00 457.00 114.00 30.30 1994 07 2401.00 18499.00 1684.00 518.00