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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 12013500 WILLAPA RIVER NEAR WILLAPA, WA


Pacific County, Washington
Hydrologic Unit Code 17100106
Latitude  46°39'04", Longitude 123°39'05" NAD27
Drainage area 130  square miles
Gage datum 6.92 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 1948-10-01 -> 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 1,230 1,350 1,050 783 416 209 106 46 53 133 591 1,630
2 1,280 1,220 983 744 422 247 105 45 60 130 593 1,860
3 1,390 1,140 1,080 737 434 229 98 44 53 126 552 1,790
4 1,360 1,150 1,100 769 440 215 94 43 53 139 670 1,810
5 1,460 1,050 1,100 767 446 207 90 42 50 137 632 1,620
6 1,600 1,120 1,020 761 421 195 87 42 50 166 689 1,480
7 1,870 1,220 969 727 399 203 82 44 51 152 756 1,340
8 1,630 1,200 924 741 374 191 82 43 47 158 681 1,200
9 1,490 1,220 1,100 733 354 184 86 42 53 196 656 1,280
10 1,410 1,210 1,200 699 340 192 86 39 54 230 732 1,410
11 1,420 1,060 1,160 701 322 186 84 38 61 213 845 1,480
12 1,530 1,100 1,140 701 306 212 81 38 54 190 985 1,530
13 1,530 1,170 1,150 721 304 190 86 39 50 193 1,020 1,630
14 1,560 1,070 1,120 740 301 181 81 38 51 221 1,200 1,460
15 1,620 1,130 1,180 727 291 173 77 39 60 226 1,270 1,500
16 1,510 1,460 1,150 672 300 170 74 41 64 227 1,160 1,530
17 1,430 1,500 1,030 651 280 164 76 40 91 263 1,200 1,480
18 1,520 1,320 1,030 595 275 155 73 37 89 256 1,120 1,370
19 1,610 1,340 1,040 576 270 147 68 38 82 285 1,280 1,300
20 1,530 1,270 953 585 258 138 64 40 79 326 1,440 1,530
21 1,520 1,190 895 526 252 133 62 39 78 361 1,260 1,490
22 1,380 1,250 924 491 252 129 63 50 72 422 1,350 1,380
23 1,400 1,180 939 558 241 126 60 53 99 382 1,350 1,340
24 1,470 1,170 971 582 241 122 58 54 95 353 1,530 1,280
25 1,470 1,080 897 506 228 125 55 59 81 386 1,550 1,230
26 1,310 981 856 470 216 118 52 55 83 460 1,370 1,350
27 1,250 974 885 483 211 114 51 50 95 514 1,310 1,520
28 1,380 1,050 880 481 217 112 50 54 118 508 1,310 1,460
29 1,350 1,370 1,020 446 219 115 50 58 139 528 1,290 1,350
30 1,390   1,000 430 212 106 48 65 178 546 1,400 1,450
31 1,340   873   204   46 57   612   1,230