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 SATURDAY: JANUARY 29 , 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 10.1 11.2 90 13.0 13.6 96
Blind Bull Sum 8650 14.5 14.3 101 11.2 11.6 97
Cottonwood Creek 7670 12.3 12.5 98 18.2 14.8 123
East Rim Divide 7930 6.4 6.8 94 8.4 7.2 117
Grand Targhee 9260 22.9 26.4 87 20.2 20.0 101
Granite Creek 6770 8.5 10.2 83 10.8 12.4 87
Grassy Lake 7265 15.8 19.1 83 23.2 23.0 101
Gros Ventre Summit 8750 7.5 7.8 96 8.2 7.8 105
Gunsight Pass 9820 9.0 8.1 111 9.8 8.6 114
Lewis Lake Divide 7850 18.2 18.9 96 24.7 21.6 114
Loomis Park 8240 8.6 9.2 93 11.5 10.4 111
Phillips Bench 8200 13.7 15.8 87 17.3 16.8 103
Salt River Summit 7640 8.2 7.4 111 12.3 9.4 131
Snake River Station 6920 8.5 10.8 79 13.8 14.9 93
Somsen Ranch 6800 8.7 8.1 107 13.7 10.6 129
Spring Creek Divide 9000 14.9 14.2 105 17.1 14.6 117
Thumb Divide 7980 10.5 9.8 107 13.2 11.5 115
Togwotee Pass 9580 13.9 14.4 97 15.3 14.8 103
Triple Peak 8500 15.0 13.3 113 18.7 15.2 123
Two Ocean Plateau 9240 19.6 18.2 108 17.3 16.3 106
Willow Creek 8080 16.7 16.8 99 22.6 20.1 112
Younts Peak 8350 9.9 8.8 112 7.2 9.2 78
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Basin Index (%) 97 108
MADISON HEADWATERS IN WYOMING
Black Bear 8170 22.7 22.4 101 -M 22.7 *
Canyon 7870 6.3 -M * 9.1 -M *
Madison Plateau 7750 12.9 13.6 95 15.8 15.2 104
West Yellowstone 6700 6.7 6.8 99 9.9 9.1 109
Whiskey Creek 6800 8.3 9.1 91 -M 12.2 *
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Basin Index (%) 97 106
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 10.7 14.0 76 10.3 12.5 82
Canyon 7870 6.3 -M * 9.1 -M *
Evening Star 9200 17.2 17.0 101 17.0 18.2 93
Fisher Creek 9100 19.6 20.8 94 20.8 20.4 102
Monument Peak 8850 11.2 13.2 85 14.0 14.1 99
Northeast Entrance 7350 3.8 6.2 61 7.7 8.2 94
Parker Peak 9400 12.5 13.3 94 12.6 12.6 100
Sylvan Lake 8420 10.4 12.2 85 14.9 14.5 103
Thumb Divide 7980 10.5 9.8 107 13.2 11.5 115
Two Ocean Plateau 9240 19.6 18.2 108 17.3 16.3 106
White Mill 8700 12.6 14.8 85 12.8 14.6 88
Wolverine 7650 7.8 7.6 103 8.1 8.3 98
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Basin Index (%) 92 98
WIND RIVER
Burroughs Creek 8750 5.8 -M * 8.5 -M *
Castle Creek 8400 2.9 4.4 66 4.1 5.8 71
Cold Springs 9630 6.9 4.8 144 9.1 5.8 157
Deer Park 9700 7.9 7.9 100 10.9 10.1 108
Hobbs Park 10100 10.5 7.8 135 11.2 7.0 160
Kirwin 9550 7.8 6.6 118 9.0 7.5 120
Little Warm 9370 7.8 6.2 126 10.2 7.7 132
South Pass 9040 7.8 8.0 98 9.6 9.2 104
St. Lawrence Alt 8620 -M -M * 6.3 -M *
Togwotee Pass 9580 13.9 14.4 97 15.3 14.8 103
Townsend Creek 8700 5.4 5.0 108 8.3 6.5 128
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Basin Index (%) 109 118
BIGHORN BASIN
Bald Mtn. 9380 9.8 11.0 89 9.4 9.6 98
Bear Trap Meadow 8200 3.6 3.8 95 5.7 5.2 110
Bone Springs Div 9350 9.2 9.7 95 8.4 8.8 95
Grave Springs 8550 3.5 4.7 74 5.4 5.6 96
Kirwin 9550 7.8 6.6 118 9.0 7.5 120
Marquette 8760 2.0 4.0 50 5.2 5.6 93
Middle Powder 7760 4.2 6.0 70 6.0 6.0 100
Owl Creek 8975 3.8 3.2 119 4.7 3.8 124
Powder River Pass 9480 5.8 6.6 88 5.3 8.0 66
Shell Creek 9580 8.3 9.0 92 8.6 8.5 101
Timber Creek 7950 1.9 2.8 68 4.0 4.7 85
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Basin Index (%) 89 98
SHOSHONE RIVER
Blackwater 9780 13.8 14.2 97 15.0 13.8 109
Evening Star 9200 17.2 17.0 101 17.0 18.2 93
Marquette 8760 2.0 4.0 50 5.2 5.6 93
Sylvan Lake 8420 10.4 12.2 85 14.9 14.5 103
Sylvan Road 7120 5.3 7.8 68 -M 11.4 *
Younts Peak 8350 9.9 8.8 112 7.2 9.2 78
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Basin Index (%) 92 97
POWDER RIVER
Bear Trap Meadow 8200 3.6 3.8 95 5.7 5.2 110
Cloud Peak Reservoir 9860 8.2 8.3 99 9.3 8.0 116
Grave Springs 8550 3.5 4.7 74 5.4 5.6 96
Hansen Sawmill 8360 3.9 4.2 93 6.2 5.2 119
Middle Powder 7760 4.2 6.0 70 6.0 6.0 100
Powder River Pass 9480 5.8 6.6 88 5.3 8.0 66
Soldier Park 8720 1.3 3.6 36 6.2 5.6 111
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Basin Index (%) 82 101
TONGUE RIVER
Big Goose 7990 3.8 4.7 81 7.4 5.8 128
Bone Springs Div 9350 9.2 9.7 95 8.4 8.8 95
Burgess Junction 7880 6.0 6.4 94 8.2 7.4 111
Dome Lake 8880 5.9 6.6 89 8.5 7.4 115
Little Goose 8870 4.8 5.6 86 8.5 6.8 125
Sucker Creek 8880 7.1 7.2 99 9.7 8.2 118
Tie Creek 6870 2.4 3.3 73 7.8 6.4 122
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Basin Index (%) 90 115
BELLE FOURCHE
Blind Park 6890 2.6 4.6 57 5.2 6.4 81
Cole Canyon 5910 2.1 3.2 66 5.9 5.3 111
North Rapid Creek 6130 3.1 4.4 70 4.0 5.0 80
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Basin Index (%) 64 90
CHEYENNE RIVER BASIN
Blind Park 6890 2.6 4.6 57 5.2 6.4 81
North Rapid Creek 6130 3.1 4.4 70 4.0 5.0 80
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Basin Index (%) 63 81
UPPER N. PLATTE
Arapaho Ridge 10960 14.8 13.7 108 14.2 13.6 104
Blackhall Mtn 9820 20.6 17.3 119 21.9 18.3 120
Cinnabar Park 9574 13.0 12.8 102 15.5 15.2 102
Columbine 9160 14.8 13.6 109 17.4 14.7 118
Divide Peak 8880 10.5 11.6 91 15.2 13.5 113
Joe Wright 10120 14.7 11.4 129 21.1 15.0 141
Laprele Creek 8375 3.6 5.2 69 6.8 6.8 100
Med Bow 10500 22.9 -M * 21.5 -M *
Never Summer 10280 14.9 11.0 135 10.9 10.3 106
North French Creek 10130 17.4 16.4 106 18.7 15.8 118
Old Battle 10000 20.5 18.4 111 21.8 20.7 105
Rawah 9020 7.2 6.8 106 10.0 9.6 104
Sage Creek Basin 7850 6.2 8.7 71 7.9 8.5 93
Sand Lake 10050 17.5 16.0 109 18.1 14.9 121
South Brush Creek 8440 6.3 7.0 90 8.7 8.4 104
Tower 10500 28.3 25.2 112 29.1 25.0 116
Webber Springs 9250 14.8 12.6 117 18.2 15.4 118
Whiskey Park 8950 19.0 15.8 120 21.6 17.7 122
Willow Creek Pass 9540 9.7 7.6 128 10.3 8.3 124
Zirkel 9340 18.0 16.7 108 24.4 19.0 128
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Basin Index (%) 110 115
SWEETWATER
Deer Park 9700 7.9 7.9 100 10.9 10.1 108
Larsen Creek 9000 -M 4.9 * 8.5 7.8 109
South Pass 9040 7.8 8.0 98 9.6 9.2 104
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Basin Index (%) 99 107
LOWER N. PLATTE
Casper Mtn. 7900 5.5 7.2 76 10.5 8.2 128
Laprele Creek 8375 3.6 5.2 69 6.8 6.8 100
Reno Hill 8400 6.9 8.0 86 10.6 8.4 126
Windy Peak 7900 3.8 4.2 90 7.0 6.2 113
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Basin Index (%) 80 118
LARAMIE RIVER
Brooklyn Lake 10240 14.6 12.4 118 16.7 12.8 130
Cinnabar Park 9574 13.0 12.8 102 15.5 15.2 102
Crow Creek 8330 3.1 4.9 63 6.2 6.5 95
Deadman Hill 10220 13.4 10.5 128 12.5 10.4 120
Rawah 9020 7.2 6.8 106 10.0 9.6 104
Roach 9700 11.5 9.6 120 14.0 11.4 123
Windy Peak 7900 3.8 4.2 90 7.0 6.2 113
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Basin Index (%) 109 114
S. PLATTE
Crow Creek 8330 3.1 4.9 63 6.2 6.5 95
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Basin Index (%) 63 95
LITTLE SNAKE RIVER
Battle Mountain 7440 5.9 7.0 84 10.9 9.8 111
Divide Peak 8880 10.5 11.6 91 15.2 13.5 113
Elk River 8700 13.0 10.7 121 16.7 11.6 144
Elkhead Divide 8780 12.4 -M * 16.0 -M *
Little Snake River 8915 15.3 15.0 102 23.2 21.2 109
Old Battle 10000 20.5 18.4 111 21.8 20.7 105
Sage Creek Basin 7850 6.2 8.7 71 7.9 8.5 93
Sandstone RS 8150 8.2 7.8 105 11.2 11.2 100
Whiskey Park 8950 19.0 15.8 120 21.6 17.7 122
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Basin Index (%) 104 113
UPPER GREEN RIVER
Big Sandy Opening 9080 6.5 8.0 81 8.5 7.9 108
Blind Bull Sum 8650 14.5 14.3 101 11.2 11.6 97
East Rim Divide 7930 6.4 6.8 94 8.4 7.2 117
Elkhart Park G.S. 9400 5.7 7.4 77 6.7 7.8 86
Gros Ventre Summit 8750 7.5 7.8 96 8.2 7.8 105
Gunsight Pass 9820 9.0 8.1 111 9.8 8.6 114
Indian Creek 9425 15.0 13.5 111 14.8 12.4 119
Kendall R.S. 7740 6.8 7.3 93 10.5 8.6 122
Larsen Creek 9000 -M 4.9 * 8.5 7.8 109
Loomis Park 8240 8.6 9.2 93 11.5 10.4 111
New Fork Lake 8340 5.7 6.8 84 -M 6.7 *
Pocket Creek 9360 -M -M * -M -M *
Snider Basin 8060 7.2 8.0 90 12.3 8.6 143
Spring Creek Divide 9000 14.9 14.2 105 17.1 14.6 117
Triple Peak 8500 15.0 13.3 113 18.7 15.2 123
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Basin Index (%) 98 114
LOWER GREEN RIVER
Blacks Fork Jct 8869 5.9 5.0 118 8.9 7.6 117
Buck Pasture 9632 9.0 -M * 12.5 -M *
EF Blacks Fork GS 9360 6.6 6.1 108 7.2 6.6 109
Hams Fork 7840 6.9 7.0 99 9.2 7.0 131
Henrys Fork 10182 -M -M * 8.8 -M *
Hewinta 9500 5.9 5.2 113 10.7 8.5 126
Hickerson Park 9122 3.8 4.0 95 6.1 6.2 98
Hole-in-Rock 9168 3.6 4.1 88 6.6 6.2 106
Indian Creek 9425 15.0 13.5 111 14.8 12.4 119
Kelley R.S. 8180 7.8 8.7 90 13.0 10.8 120
Spirit Lk 10235 7.9 6.5 122 10.8 9.7 111
Steel Creek Park 10158 10.0 8.6 116 12.6 9.4 134
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Basin Index (%) 107 118
UPPER BEAR RIVER
Bear River RS 8777 6.2 5.4 115 9.9 7.2 138
Bug Lake 7987 10.2 9.6 106 14.6 11.2 130
Burts Miller Ranch 8000 4.1 3.7 111 5.2 5.1 102
Chalk Creek #1 9171 12.5 11.8 106 16.6 14.2 117
Giveout 6930 5.4 5.7 95 9.8 7.4 132
Hayden Fork 9130 9.9 8.2 121 16.4 12.2 134
Kelley R.S. 8180 7.8 8.7 90 13.0 10.8 120
Lily Lake 9133 7.0 7.2 97 11.7 9.4 124
Monte Cristo 8932 16.1 14.3 113 20.4 15.6 131
Salt River Summit 7640 8.2 7.4 111 12.3 9.4 131
Spring Creek Divide 9000 14.9 14.2 105 17.1 14.6 117
Trial Lake 9992 14.2 11.9 119 17.8 13.7 130
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Basin Index (%) 108 126
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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.
