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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 12445000 OKANOGAN RIVER NEAR TONASKET, WA


Okanogan County, Washington
Hydrologic Unit Code 17020006
Latitude  48°37'57", Longitude 119°27'38" NAD27
Drainage area 7,260  square miles
Gage datum 860.78 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 1928-10-01 -> 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 1,190 1,220 1,360 1,700 5,070 11,700 5,940 1,930 1,130 1,040 1,400 1,590
2 1,170 1,230 1,330 1,740 5,310 11,700 5,710 1,860 1,130 1,050 1,420 1,560
3 1,150 1,250 1,310 1,780 5,530 11,700 5,510 1,810 1,120 1,060 1,390 1,540
4 1,140 1,270 1,310 1,850 5,720 11,700 5,360 1,760 1,130 1,060 1,400 1,510
5 1,130 1,280 1,310 1,920 5,920 11,600 5,200 1,720 1,120 1,060 1,440 1,500
6 1,170 1,280 1,320 1,960 6,260 11,400 5,000 1,680 1,100 1,070 1,480 1,510
7 1,170 1,280 1,330 2,000 6,580 11,300 4,850 1,640 1,090 1,070 1,510 1,460
8 1,180 1,300 1,350 2,050 6,840 11,100 4,690 1,600 1,090 1,070 1,570 1,400
9 1,200 1,300 1,350 2,140 7,140 10,800 4,540 1,560 1,070 1,080 1,530 1,360
10 1,230 1,310 1,360 2,260 7,420 10,600 4,370 1,510 1,050 1,090 1,520 1,350
11 1,230 1,310 1,370 2,320 7,720 10,400 4,190 1,470 1,040 1,100 1,610 1,360
12 1,210 1,310 1,380 2,360 8,020 10,200 4,020 1,440 1,040 1,100 1,580 1,390
13 1,200 1,330 1,410 2,410 8,390 10,100 3,880 1,400 1,040 1,130 1,510 1,410
14 1,180 1,320 1,450 2,490 8,730 9,920 3,750 1,370 1,030 1,140 1,530 1,380
15 1,190 1,320 1,450 2,590 9,010 9,760 3,600 1,370 1,020 1,150 1,560 1,350
16 1,180 1,320 1,470 2,670 9,290 9,600 3,460 1,350 1,030 1,160 1,650 1,320
17 1,160 1,330 1,470 2,750 9,600 9,410 3,340 1,340 1,040 1,170 1,690 1,310
18 1,160 1,330 1,480 2,830 9,930 9,240 3,240 1,310 1,050 1,200 1,610 1,300
19 1,190 1,330 1,490 2,970 10,100 8,930 3,120 1,280 1,040 1,220 1,580 1,260
20 1,200 1,330 1,500 3,140 10,200 8,600 3,000 1,260 1,030 1,220 1,550 1,260
21 1,220 1,340 1,510 3,310 10,400 8,350 2,870 1,240 1,040 1,230 1,530 1,260
22 1,210 1,340 1,530 3,490 10,600 8,150 2,760 1,220 1,050 1,310 1,480 1,250
23 1,210 1,340 1,530 3,660 10,700 7,960 2,660 1,200 1,040 1,290 1,450 1,240
24 1,220 1,340 1,550 3,830 10,800 7,740 2,560 1,190 1,030 1,280 1,480 1,230
25 1,240 1,350 1,560 4,030 11,000 7,450 2,480 1,180 1,030 1,280 1,550 1,220
26 1,240 1,360 1,580 4,200 11,100 7,120 2,390 1,180 1,030 1,330 1,540 1,200
27 1,240 1,360 1,590 4,380 11,300 6,790 2,290 1,180 1,030 1,380 1,510 1,230
28 1,230 1,370 1,610 4,530 11,500 6,510 2,200 1,170 1,020 1,370 1,560 1,280
29 1,210 1,510 1,630 4,730 11,600 6,290 2,130 1,150 1,030 1,360 1,540 1,240
30 1,210   1,650 4,930 11,700 6,120 2,070 1,140 1,030 1,380 1,570 1,210
31 1,220   1,670   11,700   2,010 1,140   1,380   1,190