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USGS Surface-Water 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
1 514 313 453 644 856 549 410 76 178 152 249 323
2 398 336 472 685 788 577 298 67 268 151 236 350
3 341 304 445 679 594 468 248 57 197 148 234 433
4 430 323 605 682 471 385 237 60 105 212 220 473
5 525 395 742 656 468 336 201 54 72 159 218 326
6 428 459 675 677 459 429 186 49 91 156 199 266
7 333 495 573 617 516 476 169 91 157 218 179 257
8 352 331 616 529 615 508 154 148 182 180 144 345
9 403 373 680 555 559 513 264 96 222 155 127 294
10 292 417 709 545 593 459 260 51 238 163 177 247
11 321 342 968 632 748 376 303 46 189 157 196 256
12 338 383 807 837 907 348 252 71 125 137 179 352
13 413 510 737 674 832 612 347 72 149 127 199 345
14 468 441 736 644 835 740 415 45 310 178 246 285
15 383 353 773 622 963 644 412 61 473 155 221 288
16 299 347 798 636 795 607 271 80 339 130 230 281
17 249 470 703 676 659 489 196 55 191 184 197 246
18 255 532 692 678 817 479 312 48 169 224 186 228
19 247 613 873 670 752 523 467 69 190 154 341 190
20 336 610 820 603 547 543 314 122 114 122 320 194
21 297 659 657 576 523 559 249 246 87 114 215 235
22 274 633 563 619 478 585 265 158 93 101 189 359
23 291 743 572 744 477 621 262 210 109 121 220 307
24 340 715 608 649 446 450 179 242 138 134 231 251
25 362 527 593 788 473 453 137 213 154 206 216 316
26 348 440 517 810 547 565 131 166 168 218 227 390
27 289 472 479 746 480 558 170 180 145 228 294 426
28 300 541 549 770 451 427 145 311 158 204 498 575
29 260 235 627 657 471 447 110 247 147 163 440 537
30 275   665 837 496 411 95 168 159 244 305 575
31 313   677   532   104 131   312   559