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USGS Surface-Water Daily Statistics for the Nation

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 -> 2020-09-30)

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
1 127 156 518 378 476 446 556 201 200 252 182 141
2 125 135 331 349 441 452 420 252 157 250 195 146
3 128 121 245 297 421 433 409 241 155 208 170 135
4 116 122 269 312 414 405 442 271 189 200 160 130
5 114 128 246 382 420 461 464 264 194 198 153 127
6 113 126 232 332 712 500 515 237 169 187 149 131
7 112 131 257 293 725 437 409 238 150 192 155 122
8 113 137 260 306 528 601 453 207 366 206 146 118
9 112 140 306 335 515 555 679 195 216 244 147 114
10 114 153 320 299 605 573 516 175 255 257 146 114
11 111 140 429 314 599 699 466 182 401 349 149 115
12 107 128 495 366 559 1,030 410 182 526 253 153 115
13 105 139 636 389 546 621 400 226 322 212 148 146
14 104 148 730 347 482 1,140 363 177 214 213 148 280
15 100 166 466 417 423 1,340 318 157 276 400 147 186
16 102 194 441 368 431 812 279 165 290 231 155 162
17 166 248 610 337 557 626 348 155 246 216 165 149
18 133 409 645 371 468 584 289 164 185 195 164 135
19 118 461 473 347 425 514 317 174 200 180 155 130
20 117 332 448 340 441 602 292 172 209 172 159 130
21 133 294 430 373 502 582 253 235 189 164 154 130
22 121 247 366 376 422 572 365 173 196 167 147 126
23 110 249 385 348 624 662 295 186 200 207 145 131
24 111 213 407 334 625 582 347 152 211 192 143 132
25 107 200 345 464 636 563 346 147 262 176 141 128
26 104 221 333 413 679 460 268 182 243 165 138 132
27 105 284 311 507 607 624 261 173 193 156 143 167
28 100 331 322 459 606 538 239 185 183 151 136 187
29 106 303 281 419 566 470 219 316 213 174 135 155
30 121   309 516 565 526 296 372 215 180 143 174
31 120   408   467   214 206   194   132