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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 12060500 SOUTH FORK SKOKOMISH RIVER NEAR UNION, WA


Mason County, Washington
Hydrologic Unit Code 17110017
Latitude  47°20'26", Longitude 123°16'44" NAD27
Drainage area 76.3  square miles
Gage datum 105.91 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 1930-10-01 -> 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 1,350 1,120 1,040 862 660 437 257 148 150 295 842 1,350
2 1,460 1,120 970 793 637 450 245 147 158 309 866 1,510
3 1,350 1,080 887 723 643 435 238 145 140 270 1,010 1,610
4 1,280 1,160 849 722 653 445 239 143 148 324 1,110 1,430
5 1,310 1,130 926 768 679 444 237 139 141 302 996 1,300
6 1,280 1,140 889 799 644 418 231 140 135 327 988 1,270
7 1,500 1,240 854 774 602 409 224 141 129 334 963 1,200
8 1,390 1,130 819 780 589 408 234 137 128 368 1,000 1,150
9 1,300 1,130 941 822 591 417 239 133 160 433 876 1,240
10 1,200 1,000 937 745 571 410 243 130 157 516 925 1,390
11 1,250 927 930 757 568 390 233 127 148 446 1,060 1,520
12 1,450 1,120 1,000 743 562 409 243 125 133 444 1,150 1,700
13 1,490 1,160 1,050 808 575 383 243 123 130 462 1,330 1,620
14 1,540 1,080 1,040 816 583 370 223 121 141 453 1,420 1,520
15 1,610 1,120 1,000 773 564 364 221 125 179 432 1,480 1,570
16 1,490 1,180 976 767 588 367 229 121 178 474 1,310 1,540
17 1,370 1,120 904 745 593 368 219 117 208 629 1,190 1,440
18 1,490 1,100 996 722 580 360 205 116 193 587 1,190 1,540
19 1,570 1,080 1,010 742 569 343 196 115 209 600 1,270 1,490
20 1,360 1,020 930 783 547 332 189 116 224 731 1,390 1,540
21 1,340 1,050 873 727 515 318 189 117 212 650 1,210 1,560
22 1,360 1,110 934 679 504 306 219 135 217 715 1,230 1,450
23 1,410 1,050 943 720 501 300 190 134 229 644 1,320 1,390
24 1,470 1,110 929 690 522 292 179 148 201 691 1,280 1,400
25 1,360 1,050 877 645 494 287 171 148 208 752 1,360 1,380
26 1,220 1,250 847 628 481 280 168 141 217 700 1,330 1,540
27 1,140 1,170 872 646 483 277 166 132 237 668 1,280 1,330
28 1,120 1,080 887 662 494 275 160 135 242 771 1,310 1,380
29 1,200 1,320 1,000 704 483 279 156 149 255 736 1,190 1,340
30 1,280   932 678 455 266 152 136 304 793 1,260 1,310
31 1,090   898   446   149 137   910   1,230