Wyoming Snow Precipitation Update
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of TUESDAY: FEBRUARY 1 , 2022
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Median Med
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WYOMING
SNAKE RIVER
Base Camp 7060 10.2 11.8 86 13.1 13.6 96
Blind Bull Sum 8650 14.5 15.0 97 11.2 11.8 95
Cottonwood Creek 7670 12.4 13.5 92 18.0 15.4 117
East Rim Divide 7930 6.4 6.9 93 8.4 7.4 114
Grand Targhee 9260 22.4 27.2 82 20.2 20.6 98
Granite Creek 6770 8.6 10.4 83 10.9 12.6 87
Grassy Lake 7265 16.1 20.4 79 23.3 23.2 100
Gros Ventre Summit 8750 7.6 8.0 95 8.3 7.8 106
Gunsight Pass 9820 9.0 8.4 107 9.7 8.8 110
Lewis Lake Divide 7850 18.4 19.4 95 25.0 21.6 116
Loomis Park 8240 8.7 9.9 88 11.5 10.6 108
Phillips Bench 8200 13.9 16.0 87 17.2 17.2 100
Salt River Summit 7640 8.0 7.6 105 12.0 9.7 124
Snake River Station 6920 9.0 11.4 79 14.3 15.2 94
Somsen Ranch 6800 8.9 8.2 109 13.6 11.0 124
Spring Creek Divide 9000 14.8 15.1 98 17.0 14.9 114
Thumb Divide 7980 10.6 9.8 108 13.3 11.5 116
Togwotee Pass 9580 14.1 14.6 97 15.3 15.8 97
Triple Peak 8500 14.8 14.4 103 18.5 15.8 117
Two Ocean Plateau 9240 19.7 18.6 106 17.4 16.4 106
Willow Creek 8080 16.5 17.0 97 22.4 20.8 108
Younts Peak 8350 10.2 9.2 111 7.3 9.4 78
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Basin Index (%) 94 105
MADISON HEADWATERS IN WYOMING
Black Bear 8170 22.8 22.8 100 -M 23.4 *
Canyon 7870 6.3 -M * 9.2 -M *
Madison Plateau 7750 -M 13.9 * -M 15.4 *
West Yellowstone 6700 6.7 7.0 96 9.8 9.2 107
Whiskey Creek 6800 8.4 9.2 91 -M 12.3 *
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Basin Index (%) 97 107*
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 10.7 14.7 73 10.3 13.0 79
Canyon 7870 6.3 -M * 9.2 -M *
Evening Star 9200 17.6 17.5 101 17.1 18.8 91
Fisher Creek 9100 19.8 21.2 93 20.9 20.4 102
Monument Peak 8850 11.3 13.4 84 14.1 14.4 98
Northeast Entrance 7350 3.8 6.6 58 7.7 8.4 92
Parker Peak 9400 12.6 13.8 91 12.7 13.2 96
Sylvan Lake 8420 10.6 12.5 85 15.1 15.2 99
Thumb Divide 7980 10.6 9.8 108 13.3 11.5 116
Two Ocean Plateau 9240 19.7 18.6 106 17.4 16.4 106
White Mill 8700 12.6 15.9 79 12.8 15.4 83
Wolverine 7650 7.8 8.2 95 8.1 8.4 96
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Basin Index (%) 90 96
WIND RIVER
Burroughs Creek 8750 5.7 -M * 8.5 -M *
Castle Creek 8400 2.9 4.6 63 4.0 6.0 67
Cold Springs 9630 6.7 4.8 140 8.8 6.0 147
Deer Park 9700 7.7 8.0 96 10.6 10.2 104
Hobbs Park 10100 10.4 7.9 132 11.0 7.2 153
Kirwin 9550 7.7 6.8 113 8.7 7.8 112
Little Warm 9370 7.7 6.3 122 9.6 7.8 123
South Pass 9040 7.8 8.2 95 9.4 9.2 102
St. Lawrence Alt 8620 .9 -M * 6.2 -M *
Togwotee Pass 9580 14.1 14.6 97 15.3 15.8 97
Townsend Creek 8700 5.4 5.2 104 8.2 6.6 124
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Basin Index (%) 106 112
BIGHORN BASIN
Bald Mtn. 9380 9.6 11.0 87 9.2 9.8 94
Bear Trap Meadow 8200 3.3 3.8 87 5.4 5.2 104
Bone Springs Div 9350 9.0 10.2 88 8.3 9.2 90
Grave Springs 8550 3.4 4.7 72 5.0 5.6 89
Kirwin 9550 7.7 6.8 113 8.7 7.8 112
Marquette 8760 1.7 4.2 40 5.0 5.8 86
Middle Powder 7760 4.1 6.0 68 5.8 6.0 97
Owl Creek 8975 3.7 3.2 116 4.6 3.8 121
Powder River Pass 9480 5.9 7.0 84 5.2 8.2 63
Shell Creek 9580 8.3 9.2 90 8.6 8.6 100
Timber Creek 7950 1.9 2.8 68 3.0 4.8 62
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Basin Index (%) 85 92
SHOSHONE RIVER
Blackwater 9780 13.8 14.7 94 14.7 14.1 104
Evening Star 9200 17.6 17.5 101 17.1 18.8 91
Marquette 8760 1.7 4.2 40 5.0 5.8 86
Sylvan Lake 8420 10.6 12.5 85 15.1 15.2 99
Sylvan Road 7120 5.5 8.0 69 -M 11.8 *
Younts Peak 8350 10.2 9.2 111 7.3 9.4 78
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Basin Index (%) 90 94
POWDER RIVER
Bear Trap Meadow 8200 3.3 3.8 87 5.4 5.2 104
Cloud Peak Reservoir 9860 8.2 8.8 93 9.2 8.2 112
Grave Springs 8550 3.4 4.7 72 5.0 5.6 89
Hansen Sawmill 8360 3.9 4.2 93 5.9 5.3 111
Middle Powder 7760 4.1 6.0 68 5.8 6.0 97
Powder River Pass 9480 5.9 7.0 84 5.2 8.2 63
Soldier Park 8720 .7 3.7 19 6.0 5.6 107
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Basin Index (%) 77 96
TONGUE RIVER
Big Goose 7990 3.6 4.8 75 7.4 6.0 123
Bone Springs Div 9350 9.0 10.2 88 8.3 9.2 90
Burgess Junction 7880 5.9 6.6 89 8.1 7.6 107
Dome Lake 8880 5.7 6.7 85 8.3 7.7 108
Little Goose 8870 4.6 5.8 79 8.5 7.2 118
Sucker Creek 8880 7.0 7.6 92 9.7 8.3 117
Tie Creek 6870 2.3 3.4 68 7.8 6.6 118
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Basin Index (%) 84 110
BELLE FOURCHE
Blind Park 6890 2.6 4.7 55 5.2 6.6 79
Cole Canyon 5910 2.0 3.2 62 5.6 5.4 104
North Rapid Creek 6130 3.0 4.7 64 4.0 5.1 78
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Basin Index (%) 60 87
CHEYENNE RIVER BASIN
Blind Park 6890 2.6 4.7 55 5.2 6.6 79
North Rapid Creek 6130 3.0 4.7 64 4.0 5.1 78
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Basin Index (%) 60 79
UPPER N. PLATTE
Arapaho Ridge 10960 14.8 14.0 106 14.3 13.9 103
Blackhall Mtn 9820 20.7 18.0 115 22.0 18.9 116
Cinnabar Park 9574 13.1 12.9 102 15.6 15.4 101
Columbine 9160 14.9 14.2 105 17.7 15.2 116
Divide Peak 8880 10.4 12.2 85 15.2 13.8 110
Joe Wright 10120 14.7 11.7 126 21.1 15.2 139
Laprele Creek 8375 3.5 5.4 65 6.8 6.9 99
Med Bow 10500 23.0 -M * 21.5 -M *
Never Summer 10280 14.8 11.5 129 11.0 10.6 104
North French Creek 10130 17.4 16.6 105 18.8 16.5 114
Old Battle 10000 20.4 19.0 107 21.9 22.0 100
Rawah 9020 7.3 6.8 107 10.0 9.8 102
Sage Creek Basin 7850 6.2 9.1 68 8.0 8.7 92
Sand Lake 10050 17.4 16.4 106 18.0 15.0 120
South Brush Creek 8440 6.3 7.2 88 8.8 8.6 102
Tower 10500 28.2 26.0 108 29.2 25.4 115
Webber Springs 9250 14.8 13.2 112 18.3 16.2 113
Whiskey Park 8950 18.8 16.2 116 21.7 18.0 121
Willow Creek Pass 9540 9.8 7.9 124 10.4 8.4 124
Zirkel 9340 18.0 16.8 107 24.5 19.2 128
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Basin Index (%) 106 113
SWEETWATER
Deer Park 9700 7.7 8.0 96 10.6 10.2 104
Larsen Creek 9000 -M 5.0 * 8.3 7.8 106
South Pass 9040 7.8 8.2 95 9.4 9.2 102
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Basin Index (%) 96 104
LOWER N. PLATTE
Casper Mtn. 7900 5.4 7.6 71 10.5 8.4 125
Laprele Creek 8375 3.5 5.4 65 6.8 6.9 99
Reno Hill 8400 6.9 8.2 84 10.6 8.5 125
Windy Peak 7900 3.7 4.4 84 7.0 6.3 111
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Basin Index (%) 76 116
LARAMIE RIVER
Brooklyn Lake 10240 14.5 12.5 116 16.7 13.2 127
Cinnabar Park 9574 13.1 12.9 102 15.6 15.4 101
Crow Creek 8330 3.0 5.2 58 6.2 6.5 95
Deadman Hill 10220 13.6 10.8 126 12.6 10.6 119
Rawah 9020 7.3 6.8 107 10.0 9.8 102
Roach 9700 11.5 9.6 120 14.1 11.6 122
Windy Peak 7900 3.7 4.4 84 7.0 6.3 111
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Basin Index (%) 107 112
S. PLATTE
Crow Creek 8330 3.0 5.2 58 6.2 6.5 95
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Basin Index (%) 58 95
LITTLE SNAKE RIVER
Battle Mountain 7440 6.2 7.4 84 11.2 10.0 112
Divide Peak 8880 10.4 12.2 85 15.2 13.8 110
Elk River 8700 12.9 11.2 115 16.8 12.0 140
Elkhead Divide 8780 12.4 -M * 16.1 -M *
Little Snake River 8915 15.4 16.2 95 23.6 22.4 105
Old Battle 10000 20.4 19.0 107 21.9 22.0 100
Sage Creek Basin 7850 6.2 9.1 68 8.0 8.7 92
Sandstone RS 8150 8.2 8.0 102 11.3 11.3 100
Whiskey Park 8950 18.8 16.2 116 21.7 18.0 121
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Basin Index (%) 99 110
UPPER GREEN RIVER
Big Sandy Opening 9080 6.4 8.1 79 8.4 8.0 105
Blind Bull Sum 8650 14.5 15.0 97 11.2 11.8 95
East Rim Divide 7930 6.4 6.9 93 8.4 7.4 114
Elkhart Park G.S. 9400 5.6 7.6 74 6.4 8.0 80
Gros Ventre Summit 8750 7.6 8.0 95 8.3 7.8 106
Gunsight Pass 9820 9.0 8.4 107 9.7 8.8 110
Indian Creek 9425 14.8 13.8 107 14.6 12.8 114
Kendall R.S. 7740 6.8 7.6 89 10.6 8.8 120
Larsen Creek 9000 -M 5.0 * 8.3 7.8 106
Loomis Park 8240 8.7 9.9 88 11.5 10.6 108
New Fork Lake 8340 5.7 6.8 84 6.4 6.8 94
Pocket Creek 9360 -M -M * -M -M *
Snider Basin 8060 7.1 8.1 88 12.2 8.8 139
Spring Creek Divide 9000 14.8 15.1 98 17.0 14.9 114
Triple Peak 8500 14.8 14.4 103 18.5 15.8 117
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Basin Index (%) 94 110
LOWER GREEN RIVER
Blacks Fork Jct 8869 6.0 5.0 120 8.9 7.6 117
Buck Pasture 9632 9.0 -M * 12.5 -M *
EF Blacks Fork GS 9360 6.8 6.3 108 9.6 6.8 141
Hams Fork 7840 6.8 7.0 97 9.2 7.0 131
Henrys Fork 10182 -M -M * 8.7 -M *
Hewinta 9500 5.9 5.4 109 10.7 8.6 124
Hickerson Park 9122 3.8 4.2 90 6.1 6.4 95
Hole-in-Rock 9168 3.7 4.2 88 6.6 6.4 103
Indian Creek 9425 14.8 13.8 107 14.6 12.8 114
Kelley R.S. 8180 7.7 9.0 86 12.5 11.0 114
Spirit Lk 10235 7.9 6.5 122 10.8 10.1 107
Steel Creek Park 10158 10.0 8.7 115 12.6 9.6 131
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Basin Index (%) 105 118
UPPER BEAR RIVER
Bear River RS 8777 6.2 5.4 115 10.0 7.4 135
Bug Lake 7987 10.7 10.4 103 14.5 11.7 124
Burts Miller Ranch 8000 4.0 3.8 105 5.2 5.1 102
Chalk Creek #1 9171 12.7 12.3 103 16.6 14.9 111
Giveout 6930 5.4 6.0 90 9.8 7.6 129
Hayden Fork 9130 10.1 8.4 120 16.3 12.6 129
Kelley R.S. 8180 7.7 9.0 86 12.5 11.0 114
Lily Lake 9133 7.0 7.4 95 11.7 9.7 121
Monte Cristo 8932 16.3 14.5 112 20.2 15.8 128
Salt River Summit 7640 8.0 7.6 105 12.0 9.7 124
Spring Creek Divide 9000 14.8 15.1 98 17.0 14.9 114
Trial Lake 9992 14.4 12.7 113 17.8 14.0 127
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Basin Index (%) 104 122
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-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Median (or Average) Snow Water Equivalent and
Total Precipitation values
If the Basin Index (%) value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median (or Average) represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median (or Average) value for those sites on this day.
The TOTAL PRECIPITATION Percent of Median (or Average) represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Median (or Average) value for those sites on this day.
Contact your state water supply staff for assistance.
Medians and averages are calculated for the period 1991-2020.
Provisional data, subject to revision.
* Site -- Either: (a) the current value is missing; (b) the median or
average for the day is not available or is zero; or (c) for snow water
equivalent, the median or average for the day is less than 10% of the maximum
median or average value for the year.
* Basin - More than half of the stations for a basin with medians (or averages) report missing or invalid data
The basin index is calculated as the sum of the valid current values
divided by the sum of the corresponding medians or averages and the resulting fraction
multiplied by 100.
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-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin Index (%) value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Medians and averages are calculated for the period 1981-2010.
Provisional data, subject to revision.
* Site -- Either: (a) the current value is missing; (b) the median or
average for the day is not available or is zero; or (c) for snow water
equivalent, the median for the day is less than 10% of the maximum
median value for the year.
* Basin - More than half of the sites within the basin are flagged with *,
preventing the calculation of a meaningful basin index.
The basin index is calculated as the sum of the valid current values
divided by the sum of the corresponding medians (for snow water equivalent)
or averages (for precipitation) and the resulting fraction multiplied by 100.
