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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 3.57 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 1948-10-01 -> 2021-09-30)

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 1,240 1,380 936 790 414 210 107 46 54 134 602 1,670
2 1,290 1,250 938 751 423 251 105 45 62 133 600 1,900
3 1,360 1,170 1,070 746 438 224 98 45 54 129 558 1,830
4 1,360 1,170 1,100 761 442 208 94 44 55 143 621 1,860
5 1,480 1,070 1,100 768 447 198 90 43 51 141 571 1,530
6 1,520 1,140 1,030 768 418 189 87 43 52 171 656 1,450
7 1,730 1,250 976 731 390 199 83 44 52 157 720 1,340
8 1,600 1,220 934 749 366 189 82 44 49 164 656 1,200
9 1,470 1,250 1,120 738 349 181 87 42 54 203 640 1,290
10 1,400 1,240 1,220 692 337 183 87 40 56 238 726 1,390
11 1,410 1,080 1,180 696 319 179 85 38 63 212 831 1,430
12 1,480 1,130 1,150 698 302 208 81 38 56 193 930 1,500
13 1,500 1,200 1,150 724 300 185 88 39 52 197 991 1,640
14 1,550 1,090 1,130 749 300 173 82 38 53 227 1,190 1,470
15 1,630 1,150 1,200 739 289 167 78 40 62 233 1,270 1,520
16 1,520 1,510 1,170 682 298 166 74 41 66 232 1,170 1,560
17 1,450 1,540 1,050 662 278 161 77 40 94 267 1,220 1,510
18 1,540 1,350 1,060 598 273 153 74 38 89 260 1,140 1,400
19 1,630 1,380 1,070 567 269 145 69 38 82 293 1,310 1,310
20 1,550 1,300 969 579 258 136 65 40 81 337 1,480 1,550
21 1,550 1,220 907 516 252 132 62 40 80 373 1,290 1,520
22 1,390 1,280 934 482 253 128 64 52 74 436 1,390 1,410
23 1,410 1,210 954 557 242 125 61 54 103 394 1,380 1,350
24 1,490 1,200 989 584 243 121 59 56 98 363 1,580 1,290
25 1,480 1,110 911 506 229 125 55 60 83 385 1,600 1,220
26 1,320 1,000 871 467 218 118 53 57 85 450 1,410 1,340
27 1,260 987 902 485 213 114 51 51 93 514 1,350 1,460
28 1,380 984 890 483 217 112 50 55 117 505 1,340 1,420
29 1,360 1,110 1,030 447 217 115 50 59 141 511 1,320 1,340
30 1,420   1,020 428 211 106 48 67 182 547 1,400 1,450
31 1,370   888   205   46 59   618   1,240