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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED October 1, 2019: USGS streamflow monitoring will continue at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 -> 2020-09-30)

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 40 44 66 158 105 58 54 54 53 46
2 44 42 40 44 66 166 100 58 54 53 54 46
3 44 42 41 43 70 170 97 57 52 55 52 46
4 43 42 41 43 73 174 98 57 52 54 51 45
5 43 41 41 45 81 189 93 57 52 56 50 45
6 44 42 41 45 88 189 93 58 52 55 50 45
7 43 42 41 45 96 188 88 57 52 54 51 46
8 44 41 41 47 97 189 85 58 51 53 52 45
9 44 42 40 49 100 173 84 59 53 52 51 45
10 44 44 41 47 102 165 79 57 52 52 50 46
11 43 42 40 48 102 147 77 56 52 53 48 45
12 43 42 40 49 108 139 77 55 51 52 48 45
13 43 42 40 50 113 141 76 55 51 51 49 45
14 43 41 41 49 116 148 73 55 52 53 48 45
15 43 41 41 48 122 148 71 55 55 55 48 45
16 43 41 42 47 132 156 70 54 54 59 49 45
17 43 41 43 49 140 153 68 54 54 55 49 44
18 43 41 43 51 140 151 66 54 53 52 49 44
19 43 41 43 51 143 140 65 54 56 54 48 44
20 43 41 43 54 144 134 64 54 53 56 48 45
21 43 41 43 58 149 135 63 54 54 52 48 45
22 42 41 44 63 144 135 62 54 53 52 48 45
23 43 41 43 66 147 130 62 54 54 51 48 45
24 42 41 42 65 150 125 60 54 52 52 49 45
25 43 41 42 66 154 122 61 53 52 53 48 45
26 42 41 42 69 150 121 61 53 51 52 47 44
27 42 40 42 68 146 117 60 54 52 51 48 44
28 42 40 42 67 147 114 60 53 52 51 47 44
29 42 38 42 66 148 113 59 53 53 57 47 44
30 42   42 66 151 110 58 53 59 53 47 44
31 42   44   153   58 55   56   43