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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 12035400 WYNOOCHEE RIVER NEAR GRISDALE, WA


Grays Harbor County, Washington
Hydrologic Unit Code 17100104
Latitude  47°22'50", Longitude 123°36'31" NAD27
Drainage area 41.3  square miles
Gage datum 632.59 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 1965-10-01 -> 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
1 696 798 674 373 285 346 282 233 243 404 689 853
2 743 764 619 355 302 381 278 233 245 372 735 894
3 828 758 606 342 332 396 277 229 241 342 773 975
4 868 751 583 330 358 415 269 226 246 360 886 1,140
5 800 737 583 370 350 395 262 224 256 359 856 1,200
6 880 705 628 400 343 348 255 230 258 381 762 1,010
7 851 669 567 386 328 331 250 226 268 341 762 926
8 888 634 582 377 337 317 275 226 268 343 838 826
9 935 601 588 421 336 318 268 224 266 349 811 846
10 915 586 617 386 329 323 277 222 268 386 776 894
11 848 609 617 379 321 334 271 220 286 369 855 990
12 879 676 636 365 332 363 265 220 292 364 824 1,030
13 1,120 711 654 349 358 322 280 222 288 352 892 1,110
14 1,160 708 689 342 346 321 280 219 293 359 980 1,050
15 1,140 739 614 302 338 342 269 217 307 376 978 1,020
16 1,040 853 584 275 349 350 251 218 307 419 1,020 1,020
17 975 808 548 268 338 339 258 220 360 475 991 1,000
18 985 805 566 269 362 333 257 222 355 593 953 1,020
19 1,190 759 567 276 368 323 248 230 320 577 849 962
20 1,140 722 564 287 368 308 251 228 313 535 912 1,030
21 1,020 672 575 273 359 308 251 221 296 534 1,040 986
22 925 631 612 275 372 308 249 216 320 643 989 900
23 856 652 577 319 354 304 247 219 335 583 983 878
24 938 660 504 326 362 295 245 217 328 555 1,040 849
25 869 603 433 326 368 291 243 218 358 552 1,020 802
26 825 562 412 325 355 289 243 215 376 580 967 890
27 825 628 405 306 367 289 242 220 383 642 814 922
28 889 719 370 292 380 287 242 220 372 608 857 812
29 764 1,100 437 298 385 291 238 222 386 651 840 717
30 740   419 295 345 279 237 233 412 679 870 751
31 781   394   342   236 248   702   698