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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 06036805 Firehole River at Old Faithful, YNP


Teton County, Wyoming
Hydrologic Unit Code 10020007
Latitude  44°27'33.60", Longitude 110°49'20.18" NAD83
Drainage area 39.5  square miles
Gage datum 7,352 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 2006-10-01 -> 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 43 41 40 43 67 161 99 56 52 51 51 46
2 43 42 40 43 68 166 94 55 51 51 52 46
3 43 42 41 43 70 173 90 56 51 52 51 45
4 43 41 41 44 72 179 90 56 51 51 50 45
5 43 41 40 45 79 191 86 56 50 53 51 45
6 44 42 41 44 85 193 84 56 50 52 50 45
7 43 41 40 45 91 192 80 56 50 51 51 45
8 43 41 40 46 91 186 78 56 50 51 51 45
9 43 42 40 47 91 172 76 56 51 51 50 45
10 43 43 40 46 92 166 73 55 50 50 49 45
11 43 42 40 48 94 152 71 54 50 53 48 45
12 42 41 40 48 100 148 70 53 50 51 48 45
13 42 41 40 49 105 160 69 54 50 50 49 45
14 43 41 41 48 109 156 67 54 50 51 48 45
15 43 41 41 47 115 149 66 53 52 53 48 45
16 42 41 42 46 125 148 65 53 52 56 48 44
17 43 41 42 47 135 144 63 52 53 53 48 44
18 42 41 42 49 138 146 62 52 53 51 48 44
19 43 41 43 49 141 138 61 52 54 52 48 44
20 43 41 43 51 140 129 60 54 51 54 47 45
21 43 41 43 54 142 125 59 54 52 50 47 45
22 42 40 43 58 140 124 59 53 52 52 47 44
23 42 40 43 60 144 120 58 52 52 51 47 45
24 42 40 42 60 145 116 57 52 50 52 48 44
25 42 40 42 62 146 113 57 52 50 54 47 44
26 42 41 42 64 147 111 57 51 49 52 46 44
27 42 40 42 64 147 109 57 53 50 50 47 44
28 42 40 42 64 152 106 58 52 50 50 46 44
29 42 40 42 64 156 105 57 51 50 55 46 44
30 42   42 66 156 101 56 51 55 52 46 43
31 42   43   156   56 52   54   43