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USGS Daily Statistics for Oklahoma

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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 07326500 Washita River at Anadarko, OK


Caddo County, Oklahoma
Hydrologic Unit Code 11130302
Latitude  35°05'03", Longitude  98°14'35" NAD27
Drainage area 3,640  square miles
Contributing drainage area 3,628  square miles
Gage datum 1,150.58 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 1963-10-01 -> 2024-09-30)

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
1 257 325 326 496 772 1,250 799 296 353 373 371 236
2 258 327 345 492 792 1,200 749 279 326 362 365 229
3 261 322 393 476 705 1,220 692 330 295 352 346 227
4 258 299 415 418 722 1,320 611 331 301 363 346 225
5 254 292 475 411 711 1,320 555 333 326 363 388 222
6 254 298 486 419 692 1,510 544 325 328 559 412 220
7 263 305 413 407 652 1,300 520 318 284 513 401 211
8 256 294 347 378 675 1,210 531 308 268 414 387 212
9 251 276 344 360 875 1,150 519 274 259 453 354 227
10 256 271 356 412 1,060 1,190 522 260 241 467 323 267
11 263 272 401 485 1,280 1,210 532 285 242 476 278 275
12 250 259 455 547 1,090 1,130 511 277 213 483 262 245
13 241 253 454 517 930 1,020 471 256 235 461 264 234
14 240 257 406 510 898 1,020 444 246 312 384 253 257
15 239 276 386 585 886 1,070 419 239 330 323 238 289
16 252 288 413 562 757 1,160 432 240 323 306 246 291
17 273 293 454 534 750 1,120 408 240 351 334 289 271
18 283 281 493 557 771 1,000 374 252 378 345 308 243
19 279 279 658 549 781 873 337 456 400 412 328 241
20 271 270 689 565 835 788 317 725 447 515 348 259
21 274 294 586 491 1,000 765 287 605 484 1,030 376 302
22 284 340 465 452 1,020 754 279 486 531 614 372 312
23 298 336 436 431 985 763 278 371 618 533 353 288
24 296 331 475 481 1,000 800 262 341 549 456 304 282
25 279 337 510 504 987 786 279 298 433 427 283 303
26 272 334 513 503 1,040 752 319 283 419 452 282 318
27 270 313 464 514 1,110 728 339 312 403 452 272 296
28 269 314 421 508 1,260 749 343 394 400 397 246 314
29 274 246 399 561 1,440 797 316 449 370 374 240 306
30 298   435 645 1,570 855 293 431 375 365 246 280
31 320   499   1,390   292 390   384   267