# # This is an rdb datafile for a station in the # US Geological Survey National Water Conditions Report # # This file contains monthly information for station # 04264331 St. Lawrence River at Cornwall, Ontario, near Messena, New York # Basin 02, Drainage Area 298800 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 04 278600.00 325100.00 273067.00 179233.00 1991 05 306300.00 336677.00 283242.00 176484.00 1991 06 280000.00 349833.00 290450.00 188633.00 1991 07 268100.00 349968.00 280029.00 195000.00 1991 08 260000.00 330290.00 275403.00 187000.00 1991 09 253200.00 326400.00 274417.00 180000.00 1991 10 239300.00 323800.00 264145.00 175000.00 1991 11 223700.00 356631.00 264717.00 170000.00 1991 12 221100.00 339329.00 254274.00 170000.00 1992 01 217000.00 306000.00 235371.00 166000.00 1992 02 225100.00 287500.00 248539.00 154000.00 1992 03 232400.00 316000.00 257695.00 177000.00 1992 04 244800.00 325100.00 273067.00 179233.00 1992 05 272800.00 336677.00 283242.00 176484.00 1992 06 272500.00 349833.00 290450.00 188633.00 1992 07 260100.00 349968.00 280029.00 195000.00 1992 08 274900.00 330290.00 275403.00 187000.00 1992 09 286500.00 326400.00 274417.00 180000.00 1992 10 287000.00 323800.00 264145.00 175000.00 1992 11 356631.00 356631.00 264717.00 170000.00 1992 12 339329.00 339329.00 254274.00 170000.00 1993 01 252000.00 306000.00 235371.00 166000.00 1993 02 262000.00 287500.00 248539.00 154000.00 1993 03 293000.00 316000.00 257695.00 177000.00 1993 04 294499.00 325100.00 273067.00 179233.00 1993 05 353000.00 336677.00 283242.00 176484.00 1993 06 353000.00 349833.00 290450.00 188633.00 1993 07 318000.00 349968.00 280029.00 195000.00 1993 08 305000.00 330290.00 275403.00 187000.00 1993 09 277900.00 326400.00 274417.00 180000.00 1993 10 267000.00 323800.00 264145.00 175000.00 1993 11 257000.00 356631.00 264717.00 170000.00 1993 12 259000.00 339329.00 254274.00 170000.00 1994 01 227000.00 306000.00 235371.00 166000.00 1994 02 248000.00 287500.00 248539.00 154000.00 1994 03 250000.00 316000.00 257695.00 177000.00 1994 04 262000.00 325100.00 273067.00 179233.00 1994 05 283000.00 336677.00 283242.00 176484.00 1994 06 288000.00 349833.00 290450.00 188633.00 1994 07 278000.00 349968.00 280029.00 195000.00 1994 08 272000.00 330290.00 275403.00 187000.00 1994 09 270000.00 326400.00 274417.00 180000.00 1994 10 266000.00 323800.00 264145.00 175000.00 1994 11 261000.00 338100.00 264717.00 170000.00 1994 12 256000.00 327000.00 254274.00 170000.00 1995 01 230000.00 298700.00 235371.00 166000.00 1995 02 238000.00 287500.00 248539.00 154000.00 1995 03 264000.00 314400.00 257695.00 177000.00 1995 04 250000.00 325100.00 273067.00 179233.00 1995 05 228000.00 336677.00 283242.00 176484.00 1995 06 234000.00 349833.00 290450.00 188633.00 1995 07 235000.00 349968.00 280029.00 195000.00 1995 08 244000.00 330290.00 275403.00 187000.00 1995 09 243000.00 326400.00 274417.00 180000.00 1995 10 243000.00 323800.00 264145.00 175000.00 1995 11 267000.00 356631.00 264717.00 170000.00 1995 12 254000.00 339329.00 254274.00 170000.00 1996 01 230000.00 306000.00 235371.00 166000.00 1996 02 248000.00 287500.00 248539.00 154000.00 1996 03 267000.00 316000.00 257695.00 177000.00 1996 04 261000.00 325100.00 273067.00 179233.00 1996 05 273000.00 336677.00 283242.00 176484.00 1996 06 294000.00 349833.00 290450.00 188633.00