Station list
Available data
ILLINOIS RIVER BASIN
| 05551930 WELCH CREEK NEAR BIG ROCK, IL |
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| LATITUDE 414536 LONGITUDE 0883038 NAD27 DRAINAGE AREA 22.10 CONTRIBUTING DRAINAGE AREA DATUM 684.11 NGVD29 |
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| WATER YEAR | DATE | TIME | PEAK DISCHARGE (CFS) | DISCHARGE CODES | GAGE HEIGHT (FT) | GAGE HEIGHT CODES | HIGHEST SINCE | MAX GAGE HEIGHT (FT) | DATE | TIME | GAGE HEIGHT CODES | NUMBER PARTIAL PEAKS |
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| 1965 | 02/06/1965 | | 334 | | 2.58 | | | | | | | 0 |
| 1966 | 02/10/1966 | | 398 | | 2.99 | | | | | | | 0 |
| 1967 | 04/01/1967 | | 306 | | 2.39 | | | | | | | 0 |
| 1968 | 08/17/1968 | | 155 | | 1.19 | | | | | | | 0 |
| 1969 | 01/23/1969 | | 314 | | 2.45 | | | | | | | 0 |
| 1970 | 06/02/1970 | | 354 | | 2.71 | | | | | | | 0 |
| 1971 | 02/19/1971 | | 297 | | 2.33 | | | | | | | 0 |
| 1972 | 06/15/1972 | | 563 | | 3.91 | | | | | | | 0 |
| 1973 | 04/22/1973 | | 334 | | 2.58 | | | | | | | 0 |
| 1974 | 05/16/1974 | | 694 | | 4.56 | | | | | | | 0 |
| 1975 | 04/18/1975 | | 187 | | 1.48 | | | | | | | 0 |
| 1976 | 03/05/1976 | | 291 | | 2.29 | | | | | | | 0 |
| 1977 | 03/29/1977 | | 141 | | 1.06 | | | | | | | 0 |
| 1978 | 09/13/1978 | | 525 | | 3.71 | | | | | | | 0 |
| 1979 | 03/19/1979 | | 402 | | 2.43 | | | | | | | 0 |
| 1980 | 09/17/1980 | | 180 | | 0.84 | | | | | | | 0 |