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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05482500 North Raccoon River near Jefferson, IA


Greene County, Iowa
Hydrologic Unit Code 07100006
Latitude  41°59'17", Longitude  94°22'36" NAD27
Drainage area 1,619  square miles
Gage datum 967.09 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 1940-10-01 -> 2021-09-30)

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
1 335 240 716 2,000 1,540 1,880 2,030 584 644 558 415 403
2 317 238 753 1,860 1,650 1,840 1,890 571 589 587 422 403
3 302 249 777 1,740 1,750 1,740 1,750 567 564 594 442 392
4 285 269 818 1,690 1,760 1,680 1,590 553 551 552 445 374
5 274 251 903 1,680 1,770 1,680 1,440 561 503 542 429 354
6 273 253 989 1,660 1,720 1,620 1,370 555 488 551 423 346
7 269 254 983 1,600 1,660 1,590 1,330 555 508 550 419 341
8 260 258 926 1,560 1,680 1,580 1,330 558 452 527 419 344
9 254 259 920 1,480 1,650 1,700 1,450 558 403 592 402 335
10 245 289 864 1,430 1,630 1,860 1,500 565 410 670 384 322
11 242 334 935 1,370 1,610 1,950 1,400 577 392 701 385 321
12 230 354 1,050 1,370 1,560 2,070 1,290 593 373 719 404 321
13 221 315 1,210 1,410 1,600 2,110 1,210 628 383 696 437 329
14 217 330 1,470 1,410 1,560 2,220 1,170 627 417 666 447 397
15 208 372 1,590 1,400 1,480 2,320 1,100 575 426 632 436 474
16 207 391 1,610 1,440 1,470 2,250 996 490 428 584 435 505
17 222 409 1,590 1,470 1,440 2,230 934 483 472 542 429 498
18 227 423 1,560 1,410 1,480 2,320 931 487 501 519 439 466
19 229 485 1,600 1,300 1,500 2,460 911 503 458 515 466 434
20 237 633 1,720 1,270 1,500 2,400 933 491 458 518 478 400
21 250 693 1,710 1,360 1,560 2,320 921 561 509 515 497 357
22 257 732 1,630 1,470 1,550 2,330 823 617 525 494 500 327
23 249 726 1,540 1,510 1,580 2,510 815 628 504 488 493 304
24 249 717 1,550 1,500 1,650 2,420 777 638 460 526 483 288
25 245 696 1,620 1,550 1,710 2,290 771 658 445 531 451 284
26 234 676 1,660 1,560 1,790 2,160 769 653 499 505 440 292
27 228 670 1,670 1,540 1,940 2,060 752 645 563 470 444 311
28 230 663 1,660 1,520 1,900 2,110 688 611 588 440 447 340
29 226 919 1,820 1,510 1,920 2,070 619 701 575 426 420 362
30 226   1,920 1,490 1,990 2,140 617 776 567 427 403 370
31 233   2,030   1,970   589 750   422   365