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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 09073400 ROARING FORK RIVER NEAR ASPEN, CO.


Pitkin County, Colorado
Hydrologic Unit Code 14010004
Latitude  39°10'48", Longitude 106°48'05" NAD27
Drainage area 106  square miles
Gage datum 8,019.66 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 1964-10-01 -> 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 25 24 24 31 82 323 322 88 49 45 34 29
2 25 24 24 31 87 329 300 85 49 43 34 29
3 25 24 24 31 92 340 279 84 48 44 33 29
4 25 23 24 32 98 352 248 83 48 43 34 29
5 25 23 23 33 102 378 242 84 47 43 33 28
6 25 23 24 33 107 398 238 82 50 42 33 28
7 25 23 24 35 112 412 225 76 48 42 33 28
8 25 23 24 36 118 418 230 74 48 42 34 28
9 25 23 24 38 124 412 234 69 48 42 33 28
10 25 24 24 39 128 405 227 68 48 43 32 28
11 25 23 24 41 132 390 208 67 48 43 32 28
12 25 23 24 42 138 386 204 67 48 42 32 28
13 25 24 24 43 146 387 190 66 49 42 32 28
14 25 23 25 44 157 406 174 64 47 41 32 28
15 25 23 25 46 166 422 165 64 47 41 31 27
16 24 23 25 46 181 420 162 61 47 41 31 27
17 24 23 26 49 197 442 160 59 48 41 31 27
18 24 23 26 51 205 444 147 59 48 40 31 27
19 25 24 27 52 218 440 141 58 47 39 30 27
20 25 23 27 53 231 446 136 57 48 39 30 27
21 24 23 27 55 242 459 127 56 48 38 31 26
22 24 23 28 58 251 447 121 57 48 37 30 26
23 24 24 28 60 259 417 115 54 47 37 30 26
24 24 24 29 63 263 406 113 53 47 37 30 26
25 24 24 29 64 264 398 111 53 48 36 30 26
26 24 24 29 66 273 389 106 53 47 36 29 26
27 24 24 30 68 281 366 101 52 45 36 29 26
28 24 24 30 69 296 348 97 50 45 36 29 26
29 24 24 30 72 317 334 97 49 46 35 29 26
30 23   30 76 322 328 95 49 45 35 29 26
31 24   31   316   92 48   35   26