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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 05594800 SILVER CREEK NEAR FREEBURG, IL


St. Clair County, Illinois
Hydrologic Unit Code 07140204
Latitude  38°24'22", Longitude  89°52'26" NAD83
Drainage area 464  square miles
Gage datum 380.77 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 1970-10-01 -> 2022-09-30)

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
1 763 460 593 963 1,100 601 324 260 121 78 237 506
2 671 620 513 852 1,110 547 300 268 136 67 303 473
3 573 734 444 778 981 460 288 218 157 55 320 436
4 503 751 442 755 892 439 350 149 144 59 283 421
5 513 669 498 731 770 406 346 120 137 62 216 419
6 582 584 531 712 635 433 322 123 108 85 167 417
7 537 542 615 666 616 463 293 142 80 90 120 392
8 497 517 662 599 620 420 268 195 93 99 109 356
9 425 461 678 548 652 423 228 206 118 108 96 329
10 319 479 678 559 681 378 192 200 203 103 93 307
11 310 476 649 633 710 367 196 195 198 119 114 295
12 409 433 651 743 703 418 212 193 186 126 158 269
13 476 432 646 806 709 427 209 204 157 115 180 295
14 520 469 667 934 672 361 202 212 153 111 221 348
15 481 443 660 919 648 322 216 244 157 131 289 445
16 434 412 656 873 632 355 193 280 183 123 305 459
17 400 418 630 812 742 436 132 268 244 147 313 498
18 437 404 666 740 836 460 113 228 246 155 348 490
19 464 420 715 732 880 481 148 219 223 126 358 402
20 488 457 828 680 805 499 210 193 203 121 386 343
21 546 547 929 656 689 495 249 171 142 121 388 348
22 551 618 914 637 564 471 243 137 84 117 368 305
23 543 783 823 638 426 408 269 100 107 140 330 285
24 495 922 727 639 362 440 247 108 135 142 291 344
25 451 936 642 665 317 490 190 136 137 155 319 477
26 440 860 577 733 374 542 136 155 160 153 332 525
27 438 751 584 743 421 512 86 179 183 164 388 552
28 388 689 708 707 533 493 120 147 142 159 471 645
29 317 234 771 841 607 462 154 130 113 143 528 774
30 336   874 978 612 393 169 111 93 172 528 811
31 390   975   606   225 102   222   766