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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 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 8,014.01 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 1964-10-01 -> 2023-09-30)

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 26 24 24 31 82 323 325 88 49 45 35 29
2 26 24 24 31 87 329 302 85 49 44 34 29
3 25 24 24 31 92 340 281 84 48 44 34 29
4 25 24 24 32 98 352 250 83 48 43 34 29
5 26 23 23 33 102 378 244 84 48 43 34 29
6 26 23 24 33 107 398 240 82 50 42 34 29
7 25 24 24 35 112 412 227 76 49 42 33 29
8 26 23 24 36 118 418 232 74 49 42 34 28
9 25 24 24 38 124 412 236 69 48 42 33 28
10 25 24 24 39 128 405 230 68 48 43 33 28
11 25 24 24 41 132 390 209 67 48 43 33 28
12 25 23 24 42 138 386 205 68 49 42 32 28
13 25 24 24 43 146 387 191 66 49 42 32 28
14 25 23 25 44 157 406 175 64 48 41 32 28
15 25 23 25 46 166 422 167 64 47 41 31 27
16 25 23 25 46 181 420 163 61 48 41 31 27
17 24 23 26 49 197 442 161 60 49 41 31 27
18 24 23 26 51 205 444 148 59 48 40 31 27
19 25 24 27 52 218 440 142 58 48 40 31 27
20 25 23 27 53 231 441 136 57 48 39 31 27
21 25 23 27 55 242 453 127 56 49 38 31 27
22 24 23 28 58 251 440 121 57 48 37 31 26
23 24 24 28 60 259 410 116 55 48 37 30 26
24 24 24 29 63 263 400 113 54 48 37 30 26
25 24 24 29 64 264 395 111 54 48 36 30 26
26 24 24 29 66 273 385 107 53 47 37 29 26
27 24 24 30 68 281 362 102 52 45 37 29 26
28 24 24 30 69 296 345 97 50 46 37 29 26
29 24 24 30 72 317 336 98 49 47 36 29 26
30 24   30 76 322 331 95 49 45 35 29 26
31 24   31   316   92 49   35   26