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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 -> 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
1 748 468 570 1,010 1,130 569 305 323 115 76 224 483
2 659 620 493 919 1,130 517 289 314 129 64 285 452
3 569 726 441 872 1,000 437 285 239 148 53 300 417
4 507 729 457 833 918 416 346 151 139 56 280 401
5 518 644 534 833 819 387 349 122 133 59 236 399
6 585 563 584 898 693 413 344 128 109 80 211 398
7 540 526 677 869 666 441 335 142 79 85 186 374
8 497 502 695 768 658 403 310 187 89 94 197 340
9 417 450 725 634 699 406 270 196 111 102 181 313
10 317 470 704 590 716 360 227 190 190 97 149 293
11 305 467 661 654 708 347 236 187 185 112 147 282
12 401 424 651 746 676 394 249 185 174 118 171 257
13 471 420 627 811 679 402 238 195 148 108 176 281
14 508 454 637 946 661 341 229 207 144 105 212 332
15 467 429 648 931 647 312 230 235 148 123 274 439
16 419 408 656 875 622 344 241 265 172 115 288 461
17 386 414 641 800 717 417 273 253 228 138 300 496
18 428 397 668 721 801 434 242 215 230 145 332 484
19 474 409 693 719 840 452 225 205 208 128 342 393
20 489 442 787 690 779 472 259 182 189 126 369 333
21 540 526 877 682 682 468 286 161 133 118 371 336
22 537 593 862 655 571 443 280 129 82 111 352 294
23 530 751 789 646 443 383 297 95 105 132 315 274
24 503 882 740 641 382 412 270 102 137 133 278 330
25 462 896 689 659 336 458 198 128 147 145 304 455
26 460 824 646 714 376 506 168 146 166 151 317 502
27 461 720 640 732 417 480 182 168 181 163 370 529
28 414 661 741 705 525 466 202 140 157 157 451 618
29 345 222 789 839 595 437 224 123 120 139 504 744
30 361   874 992 600 370 257 105 92 167 503 788
31 408   983   585   314 97   211   753