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USGS Daily Statistics for Illinois

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05587900 CAHOKIA CREEK AT EDWARDSVILLE, IL


Madison County, Illinois
Hydrologic Unit Code 07140101
Latitude  38°49'28", Longitude  89°58'29" NAD83
Drainage area 212  square miles
Gage datum 425.09 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1968-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 209 260 143 319 528 235 132 77 69 21 84 177
2 160 176 128 286 397 139 118 49 111 42 80 152
3 205 152 241 315 308 146 178 49 51 45 65 189
4 250 187 370 337 411 173 148 42 28 82 39 207
5 267 199 357 259 370 141 76 46 53 68 37 154
6 151 155 227 269 252 96 68 37 17 39 33 117
7 81 272 359 198 318 129 44 32 13 22 46 162
8 81 217 319 183 428 135 39 62 23 67 29 113
9 77 119 257 256 344 124 65 67 58 100 48 66
10 155 140 245 414 201 120 104 44 62 48 71 105
11 234 187 211 501 248 193 130 30 105 32 58 203
12 195 191 263 440 259 186 137 103 70 68 53 228
13 211 161 209 324 371 149 105 102 43 107 50 146
14 156 167 294 395 386 176 38 49 113 123 78 177
15 125 127 237 386 307 157 63 119 175 48 85 229
16 99 117 194 378 318 155 89 50 130 34 99 172
17 92 195 192 246 451 162 63 44 68 34 132 137
18 222 192 386 286 387 172 49 35 46 24 183 87
19 300 188 516 439 263 231 88 74 23 31 186 71
20 265 238 491 403 138 213 129 45 32 66 160 106
21 203 312 336 306 179 182 68 46 23 52 96 109
22 194 468 195 357 193 111 78 30 55 33 61 98
23 227 441 191 353 147 135 43 39 82 98 69 151
24 208 359 307 348 130 212 31 65 61 82 112 294
25 161 345 380 391 242 152 47 59 52 58 218 294
26 158 239 333 277 575 188 128 39 50 49 166 242
27 148 205 347 190 487 113 112 58 48 43 210 356
28 162 212 411 374 375 157 97 42 26 43 246 511
29 129 82 396 644 219 98 122 28 32 36 127 426
30 216   438 540 122 105 128 35 41 121 187 265
31 327   431   214   134 28   129   221