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USGS Daily Statistics for Colorado

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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 09037500 WILLIAMS FORK NEAR PARSHALL, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  40°00'00.72", Longitude 106°10'49.32" NAD83
Drainage area 184  square miles
Contributing drainage area 184  square miles
Gage datum 7,808.95 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 1904-10-01 -> 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 39 36 36 50 140 484 413 115 60 58 56 46
2 39 36 36 50 145 487 384 110 59 58 55 46
3 39 36 36 51 154 495 361 105 58 57 55 46
4 39 36 36 52 166 508 340 100 58 57 55 45
5 38 36 36 54 178 518 319 100 57 57 54 45
6 38 36 36 56 189 542 298 97 56 57 54 45
7 38 36 36 57 195 564 278 93 57 58 53 44
8 38 36 36 59 203 576 267 89 57 58 53 44
9 38 36 37 62 211 582 250 87 57 58 53 44
10 38 36 37 63 220 583 240 84 57 59 52 43
11 38 36 37 65 227 592 222 82 56 58 52 43
12 38 36 38 68 234 600 207 81 57 58 51 43
13 37 36 38 71 238 610 195 80 57 59 51 43
14 38 36 37 76 245 619 187 76 57 58 51 43
15 37 36 38 81 256 609 173 75 57 59 50 42
16 37 36 38 82 273 602 159 75 57 59 50 42
17 37 36 39 85 294 602 150 74 55 59 50 42
18 37 35 40 89 306 597 145 72 54 59 50 42
19 37 35 42 92 320 591 142 72 54 58 50 42
20 37 35 41 93 334 586 135 72 55 58 49 41
21 37 35 42 98 350 588 135 73 55 58 49 42
22 37 35 42 107 366 585 131 72 56 58 48 42
23 37 35 43 110 370 564 127 69 56 58 48 41
24 37 36 43 117 377 545 124 68 55 58 49 41
25 37 36 44 121 393 534 122 69 55 58 49 40
26 37 35 44 121 397 517 120 66 56 57 47 40
27 37 35 45 123 398 491 116 64 56 57 46 40
28 37 35 45 126 417 474 114 63 56 58 46 40
29 37 36 46 130 444 453 115 62 56 58 46 40
30 36   47 135 465 432 115 61 57 57 46 40
31 37   47   474   114 60   57   40