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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 -> 2024-09-30)

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
1 743 453 576 1,020 1,130 577 309 327 117 76 230 491
2 653 604 499 924 1,130 524 290 319 131 65 294 459
3 567 713 446 872 989 444 287 243 150 54 310 423
4 510 729 462 821 898 422 350 153 141 57 274 408
5 523 649 540 782 779 390 355 124 135 61 210 406
6 592 567 592 762 657 415 349 129 110 82 164 404
7 547 526 686 697 642 442 330 144 80 87 118 380
8 503 503 705 607 650 403 297 190 91 96 108 345
9 421 451 735 545 691 409 253 199 113 105 95 318
10 320 473 715 545 710 363 221 193 193 100 92 297
11 307 471 671 627 711 351 238 190 189 115 111 286
12 406 427 661 742 683 399 252 188 177 122 154 261
13 477 423 637 818 682 407 240 198 150 111 174 285
14 515 458 646 957 659 345 222 210 146 108 214 337
15 473 432 650 943 651 307 223 238 151 127 279 439
16 425 403 647 886 628 339 237 269 175 119 295 458
17 391 411 625 810 726 414 264 257 232 142 303 494
18 428 397 661 730 812 437 224 219 234 150 336 485
19 470 412 699 713 852 457 203 209 212 122 346 394
20 491 446 797 668 782 477 230 185 193 117 373 334
21 543 532 889 643 677 474 252 164 135 117 375 338
22 541 601 875 618 564 448 245 131 82 113 356 296
23 536 762 795 614 438 388 261 96 106 136 319 277
24 509 895 729 615 384 418 238 104 138 137 281 333
25 468 909 676 639 339 464 183 130 146 150 308 461
26 466 835 639 702 380 514 166 148 168 155 321 508
27 467 729 644 726 422 487 182 171 184 168 375 535
28 420 669 745 700 532 473 203 143 159 162 458 624
29 348 222 786 843 603 441 227 125 121 143 512 748
30 359   875 1,000 608 374 259 107 93 169 511 786
31 394   985   593   318 98   216   749