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 SUNDAY: JANUARY 9 , 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 -M 8.5 * -M 11.0 *
Blind Bull Sum 8650 -M 10.6 * -M 8.9 *
Cottonwood Creek 7670 -M 9.2 * -M 11.8 *
East Rim Divide 7930 -M 5.0 * -M 5.8 *
Grand Targhee 9260 21.6 21.8 99 19.4 17.0 114
Granite Creek 6770 -M 7.2 * -M 9.8 *
Grassy Lake 7265 15.6 13.8 113 22.7 17.8 128
Gros Ventre Summit 8750 7.4 6.9 107 8.0 6.8 118
Gunsight Pass 9820 8.6 6.6 130 9.3 7.3 127
Lewis Lake Divide 7850 -M 14.5 * -M 17.1 *
Loomis Park 8240 8.5 7.0 121 11.2 8.4 133
Phillips Bench 8200 13.3 11.6 115 16.7 13.4 125
Salt River Summit 7640 -M 5.4 * -M 7.6 *
Snake River Station 6920 8.5 7.6 112 13.9 11.9 117
Somsen Ranch 6800 8.3 5.4 154 13.6 8.8 155
Spring Creek Divide 9000 -M 10.8 * -M 11.4 *
Thumb Divide 7980 -M 7.2 * -M 9.0 *
Togwotee Pass 9580 13.5 11.9 113 14.9 12.3 121
Triple Peak 8500 14.8 9.7 153 18.5 11.8 157
Two Ocean Plateau 9240 19.3 14.6 132 16.7 14.2 118
Willow Creek 8080 16.2 12.4 131 22.0 16.0 138
Younts Peak 8350 9.8 7.2 136 6.9 7.6 91
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Basin Index (%) 121 126
MADISON HEADWATERS IN WYOMING
Black Bear 8170 21.9 18.2 120 -M 19.8 *
Canyon 7870 6.1 -M * 8.8 -M *
Madison Plateau 7750 12.7 10.6 120 15.5 12.9 120
West Yellowstone 6700 6.4 5.2 123 9.7 7.8 124
Whiskey Creek 6800 8.1 6.8 119 10.3 10.8 95
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Basin Index (%) 120 113
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 10.1 11.4 89 9.8 10.6 92
Canyon 7870 6.1 -M * 8.8 -M *
Evening Star 9200 16.9 13.6 124 16.4 15.9 103
Fisher Creek 9100 18.8 16.6 113 19.8 17.4 114
Monument Peak 8850 9.9 10.2 97 12.6 11.8 107
Northeast Entrance 7350 3.4 4.8 71 7.2 7.0 103
Parker Peak 9400 11.9 11.2 106 12.0 10.8 111
Sylvan Lake 8420 10.0 10.0 100 14.6 12.7 115
Thumb Divide 7980 -M 7.2 * -M 9.0 *
Two Ocean Plateau 9240 19.3 14.6 132 16.7 14.2 118
White Mill 8700 12.0 12.0 100 12.3 12.5 98
Wolverine 7650 7.5 6.0 125 7.8 7.0 111
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Basin Index (%) 109 108
WIND RIVER
Burroughs Creek 8750 5.7 -M * 8.4 -M *
Castle Creek 8400 2.8 3.6 78 3.9 4.8 81
Cold Springs 9630 6.6 4.0 165 8.7 5.2 167
Deer Park 9700 7.3 6.6 111 10.3 8.7 118
Hobbs Park 10100 9.6 6.8 141 10.4 6.4 162
Kirwin 9550 7.4 5.8 128 8.4 6.5 129
Little Warm 9370 7.6 5.0 152 10.0 6.4 156
South Pass 9040 7.2 6.6 109 8.8 7.6 116
St. Lawrence Alt 8620 .9 -M * 6.0 -M *
Togwotee Pass 9580 13.5 11.9 113 14.9 12.3 121
Townsend Creek 8700 4.5 4.4 102 7.5 5.9 127
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Basin Index (%) 122 130
BIGHORN BASIN
Bald Mtn. 9380 8.1 9.6 84 8.0 8.2 98
Bear Trap Meadow 8200 3.0 3.2 94 5.2 4.6 113
Bone Springs Div 9350 -M 8.1 * 7.4 7.8 95
Grave Springs 8550 2.7 3.8 71 4.9 4.8 102
Kirwin 9550 7.4 5.8 128 8.4 6.5 129
Marquette 8760 1.5 3.8 39 4.7 5.0 94
Middle Powder 7760 3.5 4.8 73 5.5 5.4 102
Owl Creek 8975 3.5 2.8 125 4.8 3.4 141
Powder River Pass 9480 5.4 5.8 93 4.8 7.0 69
Shell Creek 9580 7.4 7.6 97 7.9 7.2 110
Timber Creek 7950 1.5 2.5 60 3.5 4.2 83
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Basin Index (%) 89 102
SHOSHONE RIVER
Blackwater 9780 13.5 12.3 110 14.4 12.0 120
Evening Star 9200 16.9 13.6 124 16.4 15.9 103
Marquette 8760 1.5 3.8 39 4.7 5.0 94
Sylvan Lake 8420 10.0 10.0 100 14.6 12.7 115
Sylvan Road 7120 5.3 6.1 87 10.8 10.0 108
Younts Peak 8350 9.8 7.2 136 6.9 7.6 91
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Basin Index (%) 108 107
POWDER RIVER
Bear Trap Meadow 8200 3.0 3.2 94 5.2 4.6 113
Cloud Peak Reservoir 9860 7.2 7.0 103 8.4 6.6 127
Grave Springs 8550 2.7 3.8 71 4.9 4.8 102
Hansen Sawmill 8360 3.6 3.5 103 5.8 4.4 132
Middle Powder 7760 3.5 4.8 73 5.5 5.4 102
Powder River Pass 9480 5.4 5.8 93 4.8 7.0 69
Soldier Park 8720 .5 2.8 18 5.5 4.8 115
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Basin Index (%) 84 107
TONGUE RIVER
Big Goose 7990 2.8 3.8 74 6.4 5.3 121
Bone Springs Div 9350 -M 8.1 * 7.4 7.8 95
Burgess Junction 7880 4.2 5.0 84 6.6 6.2 106
Dome Lake 8880 5.0 5.2 96 7.6 6.6 115
Little Goose 8870 3.9 4.6 85 7.6 6.0 127
Sucker Creek 8880 5.5 6.0 92 7.8 6.8 115
Tie Creek 6870 1.0 2.4 42 6.2 5.5 113
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Basin Index (%) 83 112
BELLE FOURCHE
Blind Park 6890 1.8 3.5 51 4.0 5.4 74
Cole Canyon 5910 1.1 2.8 39 5.0 4.4 114
North Rapid Creek 6130 -M 3.6 * 2.8 4.2 67
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Basin Index (%) 46 84
CHEYENNE RIVER BASIN
Blind Park 6890 1.8 3.5 51 4.0 5.4 74
North Rapid Creek 6130 -M 3.6 * 2.8 4.2 67
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Basin Index (%) 51 71
UPPER N. PLATTE
Arapaho Ridge 10960 14.3 11.2 128 13.7 11.4 120
Blackhall Mtn 9820 -M 13.1 * -M 15.4 *
Cinnabar Park 9574 -M 10.6 * -M 12.9 *
Columbine 9160 14.2 10.2 139 17.3 11.4 152
Divide Peak 8880 9.6 9.0 107 14.4 11.2 129
Joe Wright 10120 13.5 9.4 144 20.1 12.4 162
Laprele Creek 8375 -M 4.3 * -M 5.8 *
Med Bow 10500 -M -M * -M -M *
Never Summer 10280 -M 9.6 * -M 8.8 *
North French Creek 10130 -M 12.8 * -M 13.2 *
Old Battle 10000 19.8 14.6 136 21.2 16.8 126
Rawah 9020 6.6 5.4 122 9.5 8.4 113
Sage Creek Basin 7850 -M 6.4 * -M 7.1 *
Sand Lake 10050 -M 12.7 * -M 11.4 *
South Brush Creek 8440 -M 5.5 * -M 7.0 *
Tower 10500 28.1 19.0 148 28.8 19.6 147
Webber Springs 9250 -M 10.2 * -M 12.9 *
Whiskey Park 8950 -M 11.3 * -M 14.4 *
Willow Creek Pass 9540 8.9 6.4 139 9.5 6.9 138
Zirkel 9340 -M 12.8 * -M 15.7 *
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Basin Index (%) 135* 137*
SWEETWATER
Deer Park 9700 7.3 6.6 111 10.3 8.7 118
Larsen Creek 9000 -M 3.2 * 8.3 6.0 138
South Pass 9040 7.2 6.6 109 8.8 7.6 116
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Basin Index (%) 110 123
LOWER N. PLATTE
Casper Mtn. 7900 3.2 5.8 55 8.3 6.9 120
Laprele Creek 8375 -M 4.3 * -M 5.8 *
Reno Hill 8400 -M 6.4 * -M 7.3 *
Windy Peak 7900 -M 3.3 * -M 5.2 *
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Basin Index (%) 55* 120*
LARAMIE RIVER
Brooklyn Lake 10240 -M 10.0 * -M 10.6 *
Cinnabar Park 9574 -M 10.6 * -M 12.9 *
Crow Creek 8330 2.6 4.0 65 5.4 5.9 92
Deadman Hill 10220 -M 8.7 * -M 8.8 *
Rawah 9020 6.6 5.4 122 9.5 8.4 113
Roach 9700 -M 7.6 * -M 9.5 *
Windy Peak 7900 -M 3.3 * -M 5.2 *
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Basin Index (%) 98* 104*
S. PLATTE
Crow Creek 8330 2.6 4.0 65 5.4 5.9 92
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Basin Index (%) 65 92
LITTLE SNAKE RIVER
Battle Mountain 7440 -M 5.2 * -M 7.8 *
Divide Peak 8880 9.6 9.0 107 14.4 11.2 129
Elk River 8700 -M 8.0 * -M 9.6 *
Elkhead Divide 8780 -M -M * -M -M *
Little Snake River 8915 -M 11.9 * -M 16.8 *
Old Battle 10000 19.8 14.6 136 21.2 16.8 126
Sage Creek Basin 7850 -M 6.4 * -M 7.1 *
Sandstone RS 8150 -M 5.6 * -M 8.8 *
Whiskey Park 8950 -M 11.3 * -M 14.4 *
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Basin Index (%) 125* 127*
UPPER GREEN RIVER
Big Sandy Opening 9080 6.3 6.6 95 8.2 6.6 124
Blind Bull Sum 8650 -M 10.6 * -M 8.9 *
East Rim Divide 7930 -M 5.0 * -M 5.8 *
Elkhart Park G.S. 9400 -M 6.0 * -M 6.6 *
Gros Ventre Summit 8750 7.4 6.9 107 8.0 6.8 118
Gunsight Pass 9820 8.6 6.6 130 9.3 7.3 127
Indian Creek 9425 -M 10.5 * -M 9.7 *
Kendall R.S. 7740 -M 5.6 * -M 7.0 *
Larsen Creek 9000 -M 3.2 * 8.3 6.0 138
Loomis Park 8240 8.5 7.0 121 11.2 8.4 133
New Fork Lake 8340 5.6 5.2 108 6.4 5.6 114
Pocket Creek 9360 -M -M * -M -M *
Snider Basin 8060 6.9 5.8 119 12.0 6.8 176
Spring Creek Divide 9000 -M 10.8 * -M 11.4 *
Triple Peak 8500 14.8 9.7 153 18.5 11.8 157
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Basin Index (%) 122 138
LOWER GREEN RIVER
Blacks Fork Jct 8869 5.4 3.8 142 8.6 6.1 141
Buck Pasture 9632 8.6 -M * 12.2 -M *
EF Blacks Fork GS 9360 6.8 4.2 162 7.8 5.4 144
Hams Fork 7840 6.5 5.1 127 8.8 5.8 152
Henrys Fork 10182 -M -M * 8.8 -M *
Hewinta 9500 5.6 4.3 130 10.2 7.0 146
Hickerson Park 9122 3.1 3.2 97 5.5 5.2 106
Hole-in-Rock 9168 3.1 3.2 97 5.9 5.5 107
Indian Creek 9425 -M 10.5 * -M 9.7 *
Kelley R.S. 8180 -M 6.6 * -M 8.8 *
Spirit Lk 10235 6.9 5.7 121 10.2 8.3 123
Steel Creek Park 10158 9.4 6.6 142 12.0 8.2 146
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Basin Index (%) 130 134
UPPER BEAR RIVER
Bear River RS 8777 5.8 4.0 145 9.6 6.0 160
Bug Lake 7987 10.5 7.0 150 14.3 9.0 159
Burts Miller Ranch 8000 4.0 2.9 138 5.0 4.2 119
Chalk Creek #1 9171 12.5 9.8 128 16.3 11.2 146
Giveout 6930 -M 4.0 * -M 6.4 *
Hayden Fork 9130 -M 6.2 * -M 10.0 *
Kelley R.S. 8180 -M 6.6 * -M 8.8 *
Lily Lake 9133 6.6 5.6 118 11.3 8.0 141
Monte Cristo 8932 16.1 10.9 148 19.4 12.4 156
Salt River Summit 7640 -M 5.4 * -M 7.6 *
Spring Creek Divide 9000 -M 10.8 * -M 11.4 *
Trial Lake 9992 14.4 9.0 160 17.3 10.6 163
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Basin Index (%) 142 152
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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.
