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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 06903900 Chariton River near Rathbun, IA


Appanoose County, Iowa
Hydrologic Unit Code 10280201
Latitude  40°49'18.7", Longitude  92°53'27.5" NAD83
Drainage area 549  square miles
Gage datum 848.16 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 1969-10-01 -> 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
1 322 208 477 370 372 458 631 556 391 292 273 313
2 301 208 477 368 410 487 640 554 369 295 273 320
3 283 205 414 356 377 516 608 532 373 309 291 320
4 295 201 401 345 378 551 546 507 374 310 309 323
5 305 191 410 355 405 519 506 494 370 291 323 329
6 295 211 440 362 423 512 537 523 339 292 307 327
7 287 238 451 386 437 483 576 552 333 301 309 342
8 285 250 465 368 429 443 574 536 342 278 315 408
9 268 259 443 350 432 437 549 497 322 272 317 470
10 256 253 434 307 475 483 579 470 343 294 319 515
11 244 253 433 291 462 522 610 409 342 305 310 510
12 232 269 405 297 475 551 596 392 305 340 281 493
13 226 283 405 292 489 531 578 432 277 358 287 510
14 215 280 413 307 469 497 589 406 250 337 300 522
15 196 279 415 314 465 457 595 375 250 330 317 470
16 192 283 430 313 465 492 574 401 278 339 312 456
17 187 289 432 295 482 520 622 406 287 343 297 464
18 183 308 431 277 492 544 613 418 298 326 293 447
19 182 317 430 267 468 566 599 423 321 303 303 413
20 184 319 466 270 476 582 574 403 342 296 287 384
21 183 311 473 282 485 556 529 407 331 311 265 369
22 172 294 455 306 466 550 558 415 331 318 267 366
23 160 299 446 332 455 511 561 433 332 317 257 362
24 156 322 442 353 499 473 566 425 387 312 249 355
25 163 353 452 341 425 503 594 407 365 316 254 339
26 175 382 459 357 414 505 590 436 315 311 263 339
27 192 408 439 360 407 479 585 434 332 311 292 316
28 195 433 419 376 423 477 556 417 348 324 282 290
29 204 447 392 375 467 517 547 418 356 318 273 292
30 213   372 362 461 555 557 408 331 297 278 313
31 216   371   443   556 395   283   319