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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 12020000 CHEHALIS RIVER NEAR DOTY, WA


Lewis County, Washington
Hydrologic Unit Code 17100103
Latitude  46°37'03", Longitude 123°16'35" NAD27
Drainage area 113  square miles
Gage datum 0 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 79 - 80 years of record in, ft3/s   (Calculation Period 1939-10-01 -> 2019-09-30)

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 1,020 1,210 873 807 413 187 99 46 50 124 574 1,270
2 1,120 1,140 880 724 389 209 96 46 58 129 581 1,480
3 1,070 1,080 966 695 393 189 91 47 52 134 607 1,830
4 1,130 1,080 943 700 391 178 87 45 68 160 665 1,560
5 1,270 1,000 939 710 408 170 83 44 61 138 524 1,270
6 1,260 1,170 876 678 396 164 81 43 57 154 644 1,200
7 1,480 1,250 835 635 361 175 77 44 55 144 726 1,140
8 1,340 1,280 833 654 324 167 77 45 55 157 645 1,070
9 1,320 1,230 1,030 655 298 168 82 43 57 220 574 1,200
10 1,140 1,120 1,120 631 286 169 80 40 62 232 627 1,250
11 1,120 984 1,040 650 276 162 77 39 69 217 708 1,290
12 1,160 1,030 1,000 661 267 183 75 39 57 199 875 1,380
13 1,200 1,080 943 669 271 161 75 39 53 200 849 1,400
14 1,360 1,050 964 660 273 151 73 38 56 199 1,110 1,280
15 1,400 1,080 1,050 636 262 148 72 40 66 209 1,010 1,420
16 1,380 1,300 969 600 272 148 69 41 75 224 975 1,410
17 1,320 1,360 904 592 277 144 70 39 94 273 1,040 1,280
18 1,420 1,200 913 527 261 137 67 38 87 294 1,050 1,140
19 1,360 1,220 947 507 252 132 63 38 88 322 1,210 1,160
20 1,310 1,150 889 548 246 124 61 39 103 351 1,280 1,250
21 1,210 1,100 852 488 233 119 58 39 92 379 1,160 1,240
22 1,030 1,100 898 450 225 115 57 42 77 412 1,260 1,200
23 1,100 1,020 907 575 218 113 55 46 91 381 1,280 1,140
24 1,290 1,130 908 527 212 110 54 50 87 365 1,550 1,110
25 1,380 1,010 835 452 198 115 52 54 77 393 1,490 1,090
26 1,180 933 795 418 190 108 50 55 78 396 1,260 1,140
27 1,150 907 832 441 187 104 50 50 86 477 1,210 1,230
28 1,210 865 822 433 192 102 49 51 109 435 1,130 1,230
29 1,210 1,010 939 414 189 107 49 52 129 449 1,120 1,150
30 1,270   947 418 184 100 47 61 161 506 1,140 1,220
31 1,180   870   183   47 52   603   1,040