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USGS Surface-Water Daily Statistics for Iowa

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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 06809210 East Nishnabotna River near Atlantic, IA


Cass County, Iowa
Hydrologic Unit Code 10240003
Latitude  41°20'46", Longitude  95°04'36" NAD27
Drainage area 436  square miles
Gage datum 1,105.83 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 1960-10-01 -> 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
1 126 154 515 375 470 441 543 201 198 249 179 139
2 124 133 333 346 435 447 411 248 155 246 193 144
3 127 120 248 295 415 428 399 236 153 205 168 134
4 115 121 272 310 409 399 432 265 187 197 158 128
5 113 126 249 378 415 453 453 258 191 196 151 125
6 112 125 234 328 701 490 502 232 167 185 147 130
7 112 129 258 290 714 429 399 233 149 190 153 120
8 113 135 260 304 521 588 443 204 361 203 144 117
9 111 138 305 332 509 543 661 193 214 241 145 112
10 113 151 318 296 597 561 512 172 252 253 145 112
11 110 138 425 311 591 682 468 179 395 344 148 114
12 107 127 489 362 552 1,000 407 178 518 249 151 114
13 104 137 628 384 539 606 395 221 318 210 147 144
14 103 146 721 344 476 1,110 357 174 211 210 146 276
15 100 164 464 412 417 1,300 314 154 272 394 146 184
16 101 192 441 364 426 790 275 163 286 228 154 160
17 165 245 605 333 550 611 342 153 242 214 163 148
18 132 403 638 366 462 570 284 162 182 192 162 134
19 117 454 469 344 420 503 312 173 198 178 153 129
20 116 327 444 337 436 588 287 170 206 170 157 128
21 132 290 426 369 496 568 249 232 187 162 152 129
22 120 244 363 371 417 559 357 171 193 165 145 125
23 110 246 382 344 615 645 289 184 197 205 143 130
24 111 211 405 330 616 567 340 151 208 190 142 131
25 107 198 346 458 628 549 338 146 258 174 139 126
26 103 219 332 407 669 449 263 180 239 163 137 130
27 104 282 310 501 599 608 256 171 190 155 141 165
28 99 329 320 453 600 525 235 183 181 149 134 185
29 105 303 280 413 559 459 215 311 210 172 133 153
30 120   307 509 558 513 290 367 212 178 141 172
31 119   404   462   212 204   191   131