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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 -> 2026-09-30)

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
1 212 264 142 315 548 232 130 77 68 21 81 175
2 160 178 127 283 405 138 116 49 110 41 77 149
3 203 153 237 319 311 144 175 49 50 44 63 186
4 247 187 364 367 413 171 146 42 28 80 49 204
5 263 197 352 392 368 142 74 46 52 66 152 151
6 149 156 224 362 250 96 67 37 17 38 129 115
7 81 269 354 211 315 128 44 32 13 21 58 159
8 81 215 314 188 423 135 39 61 22 64 34 111
9 77 119 253 257 340 123 65 66 57 96 50 65
10 153 139 242 411 199 119 102 47 61 46 76 103
11 231 185 209 495 245 190 128 31 104 31 60 199
12 193 189 259 435 256 184 136 103 69 65 53 224
13 208 159 206 321 367 148 105 100 42 103 50 143
14 154 165 289 390 380 190 39 48 111 118 76 176
15 124 127 237 381 303 159 64 117 172 46 83 231
16 98 117 193 372 314 154 89 50 128 33 97 172
17 91 192 190 242 445 161 90 43 67 33 128 136
18 220 189 380 282 381 170 60 35 46 24 180 86
19 296 186 508 444 259 228 90 73 23 32 185 71
20 261 235 483 411 239 210 131 44 32 64 159 106
21 200 307 331 340 208 179 88 46 23 50 95 107
22 191 460 192 362 196 109 89 29 54 32 60 97
23 223 434 192 353 147 133 51 39 82 95 69 149
24 205 353 306 346 130 209 33 64 60 80 110 289
25 159 341 375 420 239 150 47 58 51 56 215 290
26 155 236 328 292 567 185 126 38 49 48 163 239
27 146 203 343 193 479 112 133 57 47 42 207 350
28 160 209 411 372 369 155 123 41 26 42 242 503
29 127 82 394 645 216 97 125 28 32 35 126 421
30 214   434 541 121 103 128 34 40 117 184 265
31 331   426   212   133 28   124   225