# # This is an rdb datafile for a station in the # US Geological Survey National Water Conditions Report # # This file contains monthly information for station # 12027500 Chehalis River near Grand Mound, Washington # Basin 11, Drainage Area 895 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 05 6589.00 6787.00 2738.00 1086.00 1991 06 1200.00 3496.00 1233.00 549.00 1991 07 831.00 2482.00 715.00 353.00 1991 08 426.00 934.00 374.00 174.00 1991 09 256.00 570.00 251.00 118.00 1991 10 289.00 1289.00 327.00 117.00 1991 11 289.00 2635.00 725.00 125.00 1991 12 2100.00 9697.00 3122.00 221.00 1992 01 3554.00 19281.00 5557.00 884.00 1992 02 4559.00 13899.00 6500.00 860.00 1992 03 5291.00 11487.00 5484.00 1201.00 1992 04 1354.00 9477.00 4480.00 1364.00 1992 05 2030.00 6787.00 2738.00 1086.00 1992 06 844.00 3496.00 1233.00 549.00 1992 07 352.00 2482.00 715.00 353.00 1992 08 227.00 934.00 374.00 174.00 1992 09 154.00 570.00 251.00 118.00 1992 10 246.00 1289.00 327.00 117.00 1992 11 291.00 2635.00 725.00 125.00 1992 12 1776.00 9697.00 3122.00 221.00 1993 01 4145.00 19281.00 5557.00 884.00 1993 02 3487.00 13899.00 6500.00 860.00 1993 03 1421.00 11487.00 5484.00 1201.00 1993 04 2342.00 9477.00 4480.00 1364.00 1993 05 4286.00 6787.00 2738.00 1086.00 1993 06 2228.00 3496.00 1233.00 549.00 1993 07 1555.00 2482.00 715.00 353.00 1993 08 575.00 934.00 374.00 174.00 1993 09 331.00 570.00 251.00 118.00 1993 10 269.00 1289.00 327.00 117.00 1993 11 285.00 2635.00 725.00 125.00 1993 12 276.00 9697.00 3122.00 221.00 1994 01 2815.00 19281.00 5557.00 884.00 1994 02 3487.00 13899.00 6500.00 860.00 1994 03 4582.00 11487.00 5484.00 1201.00 1994 04 4772.00 9477.00 4480.00 1364.00 1994 05 1706.00 6787.00 2738.00 1086.00 1994 06 653.00 3496.00 1233.00 549.00 1994 07 654.00 2482.00 715.00 353.00 1994 08 318.00 934.00 374.00 174.00 1994 09 241.00 570.00 251.00 118.00 1994 10 298.00 1289.00 327.00 117.00 1994 11 728.00 2635.00 725.00 125.00 1994 12 3524.00 9697.00 3122.00 221.00 1995 01 11790.00 19281.00 5557.00 884.00 1995 02 4134.00 13899.00 6500.00 860.00 1995 03 6593.00 11487.00 5484.00 1201.00 1995 04 5296.00 9477.00 4480.00 1354.00 1995 05 2376.00 6787.00 2738.00 1086.00 1995 06 1674.00 3496.00 1233.00 549.00