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USGS Daily Statistics for Illinois
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.
Mercer County, Illinois Hydrologic Unit Code 07080104
Latitude 41°11'13", Longitude 90°58'02"
NAD27
Drainage area 445 square miles Gage datum 529.13 feet above NAVD88 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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Day of month |
Mean of daily mean values for each day for water year of record in, ft3/s
(Calculation Period 1934-10-01 -> 2024-09-30) Calculation period restricted by USGS staff due to special conditions at/near site |
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1 | 297 | 218 | 491 | 546 | 653 | 580 | 449 | 161 | 148 | 145 | 188 | 196 | |
2 | 254 | 217 | 461 | 528 | 647 | 555 | 402 | 149 | 149 | 108 | 230 | 219 | |
3 | 223 | 226 | 483 | 506 | 608 | 491 | 388 | 131 | 131 | 110 | 255 | 241 | |
4 | 250 | 244 | 525 | 521 | 618 | 442 | 385 | 131 | 97 | 132 | 250 | 235 | |
5 | 271 | 272 | 583 | 513 | 594 | 451 | 385 | 139 | 96 | 140 | 230 | 224 | |
6 | 243 | 297 | 578 | 489 | 526 | 442 | 345 | 195 | 96 | 159 | 173 | 195 | |
7 | 246 | 270 | 527 | 521 | 493 | 469 | 445 | 211 | 112 | 165 | 173 | 184 | |
8 | 270 | 277 | 478 | 508 | 539 | 466 | 491 | 209 | 118 | 157 | 157 | 193 | |
9 | 236 | 303 | 490 | 483 | 570 | 471 | 483 | 186 | 118 | 153 | 138 | 183 | |
10 | 206 | 331 | 556 | 471 | 617 | 471 | 454 | 164 | 141 | 153 | 149 | 169 | |
11 | 195 | 325 | 615 | 525 | 604 | 465 | 407 | 152 | 120 | 160 | 157 | 179 | |
12 | 207 | 310 | 629 | 557 | 647 | 472 | 367 | 151 | 95 | 165 | 163 | 166 | |
13 | 196 | 309 | 666 | 571 | 586 | 560 | 312 | 142 | 171 | 199 | 171 | 165 | |
14 | 204 | 314 | 641 | 596 | 611 | 609 | 297 | 143 | 234 | 169 | 163 | 168 | |
15 | 217 | 317 | 594 | 532 | 666 | 638 | 290 | 160 | 189 | 173 | 144 | 190 | |
16 | 217 | 314 | 560 | 548 | 654 | 603 | 262 | 200 | 166 | 135 | 132 | 184 | |
17 | 224 | 299 | 576 | 558 | 623 | 521 | 260 | 246 | 151 | 124 | 127 | 186 | |
18 | 247 | 318 | 592 | 557 | 606 | 524 | 280 | 221 | 137 | 162 | 165 | 201 | |
19 | 248 | 433 | 580 | 528 | 591 | 533 | 322 | 185 | 114 | 149 | 146 | 185 | |
20 | 255 | 587 | 575 | 573 | 535 | 572 | 268 | 142 | 112 | 156 | 148 | 157 | |
21 | 256 | 685 | 525 | 613 | 500 | 541 | 262 | 120 | 147 | 157 | 161 | 160 | |
22 | 289 | 664 | 488 | 720 | 479 | 568 | 250 | 121 | 146 | 136 | 153 | 163 | |
23 | 307 | 557 | 469 | 645 | 456 | 502 | 256 | 117 | 140 | 137 | 147 | 157 | |
24 | 384 | 561 | 474 | 654 | 492 | 470 | 243 | 104 | 146 | 138 | 152 | 163 | |
25 | 317 | 519 | 492 | 642 | 452 | 502 | 217 | 104 | 148 | 145 | 143 | 195 | |
26 | 294 | 504 | 462 | 720 | 490 | 510 | 237 | 114 | 161 | 156 | 156 | 211 | |
27 | 287 | 527 | 426 | 680 | 555 | 487 | 237 | 120 | 167 | 161 | 162 | 252 | |
28 | 266 | 499 | 418 | 614 | 588 | 442 | 222 | 130 | 170 | 145 | 167 | 292 | |
29 | 232 | 498 | 448 | 571 | 636 | 384 | 195 | 142 | 155 | 130 | 166 | 301 | |
30 | 229 | 491 | 566 | 639 | 432 | 164 | 164 | 152 | 148 | 170 | 327 | ||
31 | 248 | 518 | 624 | 174 | 172 | 153 | 310 |