Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Iowa

Click to hide state-specific text

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 06809500 East Nishnabotna River at Red Oak, IA


Montgomery County, Iowa
Hydrologic Unit Code 10240003
Latitude  41°00'32.5", Longitude  95°14'28.9" NAD83
Drainage area 894  square miles
Gage datum 1,005.40 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1918-10-01 -> 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
1 205 233 622 657 862 887 866 396 363 370 293 226
2 211 257 628 555 784 1,030 761 422 367 401 304 228
3 204 233 657 490 749 857 941 433 288 330 273 221
4 192 281 653 503 712 848 848 406 318 296 256 213
5 198 299 679 533 726 1,030 780 359 389 334 251 210
6 223 319 614 511 850 890 745 384 468 322 245 211
7 197 233 499 482 1,020 875 645 424 486 319 237 203
8 185 256 485 474 855 1,010 652 404 434 329 233 196
9 178 267 524 525 820 1,070 817 361 470 358 252 190
10 178 275 589 543 959 963 755 308 450 335 247 186
11 181 271 682 576 869 1,040 721 345 404 404 249 185
12 176 248 769 570 873 1,380 705 466 470 362 255 181
13 172 265 970 579 848 1,300 669 361 641 312 239 218
14 172 289 997 553 824 1,420 584 361 539 314 233 312
15 173 317 790 632 744 1,820 521 315 387 513 231 308
16 203 320 613 603 727 1,530 486 307 463 409 240 258
17 224 353 772 540 866 1,080 507 328 374 298 262 237
18 240 442 819 566 752 940 524 302 328 321 260 217
19 202 675 897 593 705 911 504 305 325 292 250 208
20 199 612 800 554 721 916 604 328 331 258 250 200
21 206 510 634 600 879 970 531 336 344 252 253 198
22 210 446 569 597 996 996 624 407 337 251 234 198
23 197 446 588 597 940 1,060 560 426 337 274 227 208
24 200 426 579 628 910 953 472 406 320 288 223 221
25 188 400 553 679 1,000 903 588 384 371 266 219 207
26 182 427 556 671 990 837 459 410 365 247 215 207
27 178 513 610 751 963 1,010 425 319 325 240 218 250
28 180 601 631 739 986 940 407 342 320 234 218 293
29 175 501 698 639 1,040 812 399 495 313 241 213 261
30 202   630 805 962 762 441 546 339 273 217 282
31 196   639   846   427 467   283   223