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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 03612000 CACHE RIVER AT FORMAN, IL


Johnson County, Illinois
Hydrologic Unit Code 05140206
Latitude  37°20'11", Longitude  88°55'26" NAD27
Drainage area 244  square miles
Gage datum 308.47 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 95 - 96 years of record in, ft3/s   (Calculation Period 1922-10-01 -> 2019-09-30)

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
1 515 492 594 748 668 225 205 60 74 54 92 306
2 480 547 523 708 722 258 155 72 74 59 120 274
3 489 557 508 684 715 286 137 65 81 54 104 278
4 482 496 560 738 663 237 148 64 76 47 119 295
5 498 452 590 720 591 201 144 65 68 43 136 317
6 485 450 578 714 548 176 124 68 64 53 134 328
7 432 426 601 645 529 179 139 67 48 41 129 315
8 395 407 588 590 498 159 147 56 40 43 133 294
9 401 359 582 583 453 168 143 49 41 61 134 282
10 388 365 599 559 443 154 153 57 36 57 153 287
11 398 365 635 554 450 183 160 65 33 48 145 271
12 358 365 716 573 439 196 150 63 53 49 132 290
13 378 403 684 565 415 204 123 61 47 64 138 292
14 437 453 649 625 455 219 86 62 51 77 136 323
15 511 505 588 645 498 220 69 79 52 71 154 373
16 520 551 549 647 500 203 92 76 39 63 187 349
17 453 543 541 603 481 202 77 84 30 87 198 361
18 441 519 580 551 497 218 75 109 30 98 224 360
19 434 478 804 521 478 222 85 108 29 84 255 358
20 483 449 920 508 408 211 95 93 32 64 240 332
21 530 462 829 500 361 217 90 77 40 58 221 341
22 664 530 732 509 324 267 85 62 47 51 219 382
23 693 537 667 557 321 262 87 76 67 52 271 416
24 668 561 587 573 352 263 70 86 81 59 262 448
25 665 651 526 593 331 227 53 85 92 52 230 449
26 645 630 537 569 360 209 49 75 99 44 249 454
27 567 633 534 526 390 210 52 65 96 50 289 436
28 513 643 578 492 380 184 61 57 73 66 328 458
29 420 378 611 484 334 203 52 63 61 60 320 467
30 432   664 517 282 217 39 71 57 64 320 455
31 475   717   258   49 60   76   507