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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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


Park County, Wyoming
Hydrologic Unit Code 10020007
Latitude  44°27'33.60", Longitude 110°49'20.18" NAD83
Drainage area 39.4  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 -> 2021-09-30)

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 42 41 44 68 163 105 57 53 53 53 47
2 44 42 41 44 68 170 98 57 53 52 54 47
3 44 42 41 43 71 173 95 56 52 54 52 46
4 43 42 41 43 74 177 95 56 51 53 51 46
5 44 42 41 45 81 191 91 57 51 55 50 46
6 44 42 41 45 88 190 90 57 51 54 50 46
7 44 42 41 45 95 191 86 56 51 53 51 46
8 44 42 41 47 96 186 83 57 51 52 52 46
9 44 43 40 49 99 169 82 58 52 52 51 46
10 44 44 41 48 101 160 77 56 52 51 50 46
11 44 42 41 49 102 144 75 55 51 54 48 46
12 43 42 40 49 108 137 75 54 51 52 48 46
13 43 42 41 49 112 140 74 55 51 51 49 46
14 43 42 41 49 115 145 71 55 52 53 48 45
15 43 42 42 48 120 145 70 54 54 55 48 46
16 43 42 42 47 128 152 69 54 54 59 49 45
17 43 41 43 48 137 149 67 54 54 55 49 44
18 43 41 43 51 139 146 65 53 53 52 49 45
19 44 41 43 51 143 136 64 53 55 54 48 45
20 43 41 43 53 144 130 63 54 52 56 48 45
21 43 41 43 57 147 131 62 53 53 52 48 45
22 43 41 44 62 142 132 61 54 53 52 48 45
23 43 41 43 65 144 126 61 53 53 51 49 45
24 43 41 42 64 147 122 60 53 52 52 49 45
25 43 41 43 65 149 119 60 53 51 53 48 45
26 43 41 42 68 147 118 60 52 51 52 47 44
27 42 41 42 68 146 114 59 54 52 51 48 44
28 42 41 42 67 148 112 59 53 51 51 47 44
29 43 39 42 67 150 112 59 53 52 57 47 44
30 43   42 68 153 108 58 52 58 53 47 44
31 42   44   157   57 54   56   43