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USGS Daily Statistics for Washington

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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 12105900 GREEN RIVER BELOW HOWARD A HANSON DAM, WA


King County, Washington
Hydrologic Unit Code 17110013
Latitude  47°17'02", Longitude 121°47'48" NAD27
Drainage area 221  square miles
Gage datum 990 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 -> 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 1,330 1,710 1,170 1,220 1,290 1,100 533 285 288 474 1,040 1,500
2 1,410 1,590 1,160 1,190 1,320 1,090 530 282 291 463 1,080 1,620
3 1,500 1,550 1,130 1,200 1,350 1,080 512 277 287 450 1,030 1,590
4 1,500 1,470 1,100 1,200 1,370 1,050 498 274 290 443 1,100 1,710
5 1,570 1,430 1,120 1,250 1,360 1,030 493 272 290 436 1,150 1,680
6 1,540 1,370 1,160 1,370 1,380 1,020 486 272 288 447 1,150 1,590
7 1,500 1,440 1,140 1,440 1,400 941 481 271 292 462 1,190 1,480
8 1,740 1,300 1,070 1,420 1,390 897 466 268 296 461 1,210 1,440
9 1,760 1,280 1,020 1,370 1,350 866 452 270 307 464 1,260 1,390
10 1,650 1,420 1,100 1,400 1,340 829 439 275 308 489 1,270 1,400
11 1,580 1,440 1,110 1,400 1,350 823 431 275 309 510 1,210 1,440
12 1,520 1,430 1,160 1,400 1,370 831 430 271 304 506 1,300 1,460
13 1,610 1,500 1,140 1,380 1,410 840 436 269 294 501 1,370 1,510
14 1,800 1,480 1,120 1,400 1,440 839 437 269 301 495 1,410 1,530
15 1,860 1,480 1,150 1,430 1,410 807 428 266 314 499 1,360 1,530
16 1,800 1,580 1,160 1,370 1,400 787 426 267 328 536 1,230 1,480
17 1,780 1,650 1,150 1,300 1,400 756 412 268 336 600 1,180 1,410
18 1,830 1,560 1,110 1,250 1,370 720 386 267 362 556 1,180 1,350
19 1,860 1,610 1,120 1,220 1,330 683 368 267 393 553 1,160 1,280
20 1,800 1,690 1,120 1,300 1,260 661 364 267 373 606 1,250 1,300
21 1,720 1,670 1,080 1,320 1,200 643 359 267 365 652 1,330 1,320
22 1,540 1,570 1,120 1,280 1,180 623 349 267 375 714 1,330 1,340
23 1,470 1,430 1,210 1,250 1,180 619 339 265 392 756 1,320 1,330
24 1,670 1,410 1,200 1,240 1,190 629 335 265 404 767 1,460 1,300
25 1,730 1,310 1,140 1,240 1,160 619 328 269 411 796 1,670 1,320
26 1,660 1,200 1,080 1,230 1,120 590 320 276 414 790 1,750 1,330
27 1,590 1,090 1,150 1,220 1,120 577 311 284 419 810 1,670 1,370
28 1,550 1,090 1,130 1,240 1,130 556 306 292 419 812 1,630 1,430
29 1,510 1,550 1,110 1,270 1,160 547 300 293 415 796 1,510 1,410
30 1,620   1,160 1,270 1,130 539 293 290 449 790 1,520 1,370
31 1,740   1,240   1,110   288 287   861   1,270