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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 05542000 MAZON RIVER NEAR COAL CITY, IL


Grundy County, Illinois
Hydrologic Unit Code 07120005
Latitude  41°17'10", Longitude  88°21'35" NAD27
Drainage area 455  square miles
Gage datum 527.41 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 water year of record in, ft3/s   (Calculation Period 1939-10-01 -> 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
1 514 313 453 607 857 549 410 76 178 152 249 323
2 398 336 472 670 790 577 298 67 268 151 236 350
3 341 304 445 670 588 468 248 57 197 148 234 433
4 430 323 605 677 447 385 237 60 105 212 220 473
5 525 395 742 653 457 336 201 54 72 159 218 326
6 428 459 675 667 442 429 186 49 91 156 199 266
7 333 495 573 599 494 476 169 91 157 218 179 257
8 352 331 616 521 605 508 154 148 182 180 144 345
9 403 373 680 552 554 513 264 96 222 155 127 294
10 292 417 709 544 591 459 260 51 238 163 177 247
11 321 342 968 633 750 376 303 46 189 157 196 256
12 338 383 807 842 912 348 252 71 125 137 179 352
13 413 510 737 677 837 612 347 72 149 127 199 345
14 468 441 736 645 841 740 415 45 310 178 246 285
15 383 353 773 623 970 644 412 61 473 155 221 288
16 299 347 798 638 795 607 271 80 339 130 230 281
17 249 470 703 680 659 489 196 55 191 184 197 246
18 255 532 692 682 817 479 312 48 169 224 186 228
19 247 613 873 675 752 523 467 69 190 154 341 190
20 336 610 820 607 547 543 314 122 114 122 320 194
21 297 659 657 579 523 559 249 246 87 114 215 235
22 274 633 563 623 478 585 265 158 93 101 189 359
23 291 743 572 749 477 621 262 210 109 121 220 307
24 340 715 608 652 446 450 179 242 138 134 231 251
25 362 527 593 793 473 453 137 213 154 206 216 316
26 348 440 517 816 547 565 131 166 168 218 227 390
27 289 472 479 753 480 558 170 180 145 228 294 426
28 300 541 549 777 451 427 145 311 158 204 498 575
29 260 235 627 662 471 447 110 247 147 163 440 537
30 275   664 844 496 411 95 168 159 244 305 575
31 313   627   532   104 131   312   559