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USGS 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 12448500 METHOW RIVER AT WINTHROP, WA


Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°28'25", Longitude 120°10'34" NAD27
Drainage area 1,007  square miles
Gage datum 1,718.09 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 1911-10-01 -> 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
1 291 295 312 817 2,720 5,710 2,460 681 297 268 373 466
2 292 300 314 890 2,880 5,420 2,320 648 291 276 368 462
3 290 298 314 952 3,110 5,370 2,240 619 285 278 362 437
4 286 297 315 983 3,320 5,330 2,180 606 281 282 362 420
5 285 300 316 1,000 3,680 5,290 2,000 588 276 285 381 411
6 292 300 323 1,010 3,870 5,200 1,910 567 289 285 396 409
7 294 302 328 1,050 3,950 5,010 1,860 552 293 284 479 396
8 300 305 332 1,130 4,030 4,940 1,840 530 285 288 447 384
9 298 309 335 1,240 4,150 4,870 1,770 508 276 289 428 387
10 293 306 343 1,280 4,190 4,760 1,710 488 268 289 426 390
11 290 310 352 1,300 4,270 4,570 1,640 474 263 291 426 393
12 283 309 384 1,320 4,560 4,370 1,570 456 259 290 436 390
13 280 308 410 1,320 4,720 4,230 1,500 442 254 288 489 385
14 281 309 426 1,330 4,970 4,060 1,410 439 254 288 493 375
15 279 311 465 1,320 5,360 3,960 1,300 431 256 288 568 362
16 280 312 478 1,330 5,700 3,880 1,230 418 257 292 561 360
17 287 312 487 1,370 6,070 3,750 1,170 407 256 297 521 349
18 286 314 503 1,460 6,080 3,590 1,130 402 259 307 497 345
19 289 312 528 1,590 5,850 3,410 1,090 390 261 306 487 339
20 299 313 549 1,770 5,650 3,280 1,040 377 258 321 467 335
21 300 313 563 1,990 5,620 3,360 1,020 368 254 459 445 327
22 297 313 575 2,160 5,390 3,370 983 370 251 384 427 326
23 299 309 594 2,200 5,240 3,400 950 359 248 362 439 322
24 304 308 607 2,310 5,200 3,300 923 351 246 351 486 316
25 304 305 623 2,340 5,210 3,150 886 345 245 343 477 313
26 299 306 628 2,360 5,220 2,990 859 338 246 343 450 309
27 298 308 641 2,400 5,230 2,900 817 327 248 344 431 306
28 298 311 664 2,440 5,340 2,770 774 317 248 342 427 305
29 294 329 680 2,520 5,510 2,780 752 309 260 346 474 303
30 292   704 2,620 5,600 2,700 722 308 262 347 494 297
31 291   756   5,750   685 305   359   293