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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 05439500 SOUTH BRANCH KISHWAUKEE RIVER NR FAIRDALE IL


Dekalb County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°06'38", Longitude  88°54'02" NAD27
Drainage area 387  square miles
Gage datum 733.53 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 1939-10-01 -> 2025-09-30)

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
1 261 239 428 581 512 436 315 150 123 151 186 230
2 244 241 444 577 490 474 337 138 114 150 216 250
3 220 228 475 560 457 458 374 128 115 150 207 279
4 246 232 488 534 421 482 365 166 100 161 190 255
5 289 253 561 510 397 442 299 170 89 162 175 247
6 265 264 547 522 397 389 261 201 80 169 186 225
7 241 284 513 513 395 367 258 221 89 153 173 215
8 226 268 503 480 419 420 264 208 112 137 159 218
9 218 295 510 489 421 485 287 182 120 130 165 217
10 202 313 584 473 465 463 236 151 114 160 186 206
11 202 288 631 468 479 453 218 134 121 178 197 202
12 211 282 616 468 497 476 213 118 131 190 192 198
13 210 293 642 439 547 524 203 108 182 186 191 197
14 212 259 603 422 566 533 213 130 188 183 184 206
15 208 246 643 426 599 544 223 149 176 174 174 226
16 200 231 614 480 555 515 204 128 168 153 187 238
17 214 223 576 502 581 461 191 172 172 142 186 221
18 225 258 552 505 544 430 358 193 177 156 187 203
19 229 361 628 469 489 441 318 198 174 157 195 180
20 234 492 611 485 500 439 333 215 171 149 188 173
21 226 513 579 498 455 412 285 187 197 135 188 178
22 268 474 564 536 450 415 270 187 191 134 181 180
23 301 486 556 512 469 380 255 181 185 194 174 190
24 316 536 526 493 460 363 311 218 173 189 169 203
25 292 495 506 518 441 353 249 182 161 188 165 232
26 266 465 485 503 421 361 191 231 167 175 173 245
27 263 488 470 484 419 354 178 238 170 181 193 283
28 236 460 473 474 433 326 173 217 171 171 220 315
29 224 381 496 473 436 333 173 209 184 162 240 298
30 225   527 502 437 313 186 180 169 172 239 306
31 241   547   425   177 139   172   295