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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 09171310 SOUTH FORK SAN MIGUEL RIVER NEAR OPHIR, CO


San Miguel County, Colorado
Hydrologic Unit Code 14030003
Latitude  37°52'23.2", Longitude 107°53'40.0" NAD83
Drainage area 41.7  square miles
Gage datum 8,495 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 2011-10-01 -> 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 27 29 28 35 61 157 169 72 49 42 31 26
2 27 28 28 35 67 173 164 72 49 42 31 25
3 27 28 28 35 71 186 153 72 48 42 30 24
4 27 27 28 35 72 196 145 69 46 41 29 24
5 27 28 27 36 74 205 133 69 46 40 29 24
6 26 28 28 36 79 217 128 70 43 40 29 24
7 26 28 27 37 85 222 127 68 40 39 29 25
8 27 28 26 37 87 225 129 65 40 38 30 25
9 26 28 27 36 87 234 125 62 44 39 30 25
10 27 28 26 34 87 239 122 62 44 39 29 25
11 27 28 27 35 87 246 115 61 43 38 28 25
12 26 28 27 38 85 240 110 61 40 38 28 25
13 27 28 27 42 85 234 111 60 45 38 28 24
14 27 28 28 41 88 217 107 59 47 37 28 25
15 27 28 29 41 95 210 103 57 48 36 28 25
16 27 27 29 40 100 209 95 55 47 35 28 25
17 26 28 29 39 110 220 86 53 45 34 28 24
18 26 27 29 40 115 217 84 53 44 34 27 25
19 25 27 30 41 114 218 83 54 44 34 27 26
20 26 27 30 45 116 217 83 51 43 33 28 26
21 26 27 30 47 117 218 81 48 43 34 27 26
22 26 26 29 50 120 208 80 47 47 34 27 26
23 26 27 29 51 122 195 76 49 46 34 27 26
24 26 27 30 50 119 181 75 49 44 34 26 27
25 26 27 30 51 118 171 80 49 43 34 26 27
26 26 27 30 52 121 171 77 52 42 33 25 27
27 26 28 30 52 123 169 73 51 43 32 26 27
28 26 28 31 53 127 167 73 49 45 32 25 27
29 28 33 33 54 136 162 72 49 44 32 26 27
30 27   35 58 141 164 68 50 42 32 27 27
31 28   35   146   70 51   32   28