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 WEDNESDAY: JANUARY 19 , 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 9.8 10.0 98 12.7 12.6 101
Blind Bull Sum 8650 14.5 12.6 115 11.1 10.8 103
Cottonwood Creek 7670 11.8 11.5 103 17.6 13.2 133
East Rim Divide 7930 -M 6.0 * -M 6.6 *
Grand Targhee 9260 21.9 23.2 94 19.6 18.5 106
Granite Creek 6770 -M 9.1 * -M 11.4 *
Grassy Lake 7265 15.5 16.8 92 22.7 19.8 115
Gros Ventre Summit 8750 7.5 7.4 101 8.1 7.0 116
Gunsight Pass 9820 8.8 7.3 121 9.5 7.9 120
Lewis Lake Divide 7850 18.1 16.1 112 24.5 20.1 122
Loomis Park 8240 8.5 8.2 104 11.3 9.6 118
Phillips Bench 8200 13.3 13.4 99 16.8 15.2 111
Salt River Summit 7640 7.9 6.8 116 12.0 8.6 140
Snake River Station 6920 8.5 9.4 90 14.0 13.6 103
Somsen Ranch 6800 8.5 7.0 121 13.5 9.7 139
Spring Creek Divide 9000 14.6 13.0 112 16.7 13.0 128
Thumb Divide 7980 10.4 8.0 130 13.2 9.6 138
Togwotee Pass 9580 13.5 12.9 105 14.9 13.8 108
Triple Peak 8500 14.9 11.8 126 18.6 13.9 134
Two Ocean Plateau 9240 19.2 17.4 110 17.0 15.4 110
Willow Creek 8080 16.4 15.0 109 22.0 18.0 122
Younts Peak 8350 10.0 8.6 116 7.5 8.5 88
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Basin Index (%) 107 117
MADISON HEADWATERS IN WYOMING
Black Bear 8170 22.0 21.0 105 -M 21.3 *
Canyon 7870 6.2 -M * 9.1 -M *
Madison Plateau 7750 12.7 12.3 103 15.6 14.2 110
West Yellowstone 6700 6.4 6.2 103 9.7 8.2 118
Whiskey Creek 6800 8.2 8.0 102 10.2 11.3 90
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Basin Index (%) 104 105
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 10.4 13.0 80 10.1 11.9 85
Canyon 7870 6.2 -M * 9.1 -M *
Evening Star 9200 16.9 15.8 107 16.8 16.8 100
Fisher Creek 9100 19.1 18.8 102 20.4 18.7 109
Monument Peak 8850 10.4 12.2 85 13.1 13.3 98
Northeast Entrance 7350 3.6 5.6 64 7.3 7.6 96
Parker Peak 9400 12.0 12.1 99 12.1 12.1 100
Sylvan Lake 8420 10.0 11.2 89 14.6 13.7 107
Thumb Divide 7980 10.4 8.0 130 13.2 9.6 138
Two Ocean Plateau 9240 19.2 17.4 110 17.0 15.4 110
White Mill 8700 12.2 14.2 86 12.6 13.6 93
Wolverine 7650 7.6 6.9 110 7.9 7.6 104
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Basin Index (%) 97 103
WIND RIVER
Burroughs Creek 8750 5.8 -M * 8.7 -M *
Castle Creek 8400 2.9 4.1 71 4.2 5.2 81
Cold Springs 9630 6.7 4.4 152 8.8 5.6 157
Deer Park 9700 7.5 7.2 104 10.5 9.0 117
Hobbs Park 10100 9.8 7.1 138 10.6 6.7 158
Kirwin 9550 7.7 6.4 120 8.8 7.2 122
Little Warm 9370 7.7 5.6 138 10.0 7.4 135
South Pass 9040 7.2 7.1 101 9.0 8.2 110
St. Lawrence Alt 8620 -M -M * 6.1 -M *
Togwotee Pass 9580 13.5 12.9 105 14.9 13.8 108
Townsend Creek 8700 4.7 4.5 104 7.6 6.2 123
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Basin Index (%) 114 122
BIGHORN BASIN
Bald Mtn. 9380 8.4 10.2 82 8.4 9.0 93
Bear Trap Meadow 8200 3.1 3.5 89 5.3 4.8 110
Bone Springs Div 9350 8.3 9.1 91 7.9 8.6 92
Grave Springs 8550 3.1 4.1 76 5.1 5.2 98
Kirwin 9550 7.7 6.4 120 8.8 7.2 122
Marquette 8760 1.5 3.8 39 4.8 5.4 89
Middle Powder 7760 3.6 5.3 68 5.6 5.6 100
Owl Creek 8975 3.6 3.0 120 4.6 3.6 128
Powder River Pass 9480 5.5 6.2 89 5.2 7.4 70
Shell Creek 9580 7.7 8.6 90 8.1 8.0 101
Timber Creek 7950 1.4 2.6 54 3.4 4.4 77
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Basin Index (%) 86 97
SHOSHONE RIVER
Blackwater 9780 13.6 13.7 99 14.8 12.9 115
Evening Star 9200 16.9 15.8 107 16.8 16.8 100
Marquette 8760 1.5 3.8 39 4.8 5.4 89
Sylvan Lake 8420 10.0 11.2 89 14.6 13.7 107
Sylvan Road 7120 5.2 7.2 72 -M 10.6 *
Younts Peak 8350 10.0 8.6 116 7.5 8.5 88
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Basin Index (%) 95 102
POWDER RIVER
Bear Trap Meadow 8200 3.1 3.5 89 5.3 4.8 110
Cloud Peak Reservoir 9860 7.4 7.7 96 8.6 7.5 115
Grave Springs 8550 3.1 4.1 76 5.1 5.2 98
Hansen Sawmill 8360 3.7 3.8 97 5.9 4.8 123
Middle Powder 7760 3.6 5.3 68 5.6 5.6 100
Powder River Pass 9480 5.5 6.2 89 5.2 7.4 70
Soldier Park 8720 .7 3.3 21 5.7 5.1 112
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Basin Index (%) 80 102
TONGUE RIVER
Big Goose 7990 3.0 4.0 75 6.6 5.6 118
Bone Springs Div 9350 8.3 9.1 91 7.9 8.6 92
Burgess Junction 7880 4.6 5.6 82 6.8 6.8 100
Dome Lake 8880 5.2 6.0 87 7.6 7.0 109
Little Goose 8870 4.1 5.0 82 7.8 6.4 122
Sucker Creek 8880 5.8 6.5 89 8.3 7.4 112
Tie Creek 6870 1.2 3.1 39 6.4 6.0 107
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Basin Index (%) 82 108
BELLE FOURCHE
Blind Park 6890 2.0 4.0 50 4.3 5.7 75
Cole Canyon 5910 1.2 2.8 43 4.2 5.0 84
North Rapid Creek 6130 2.2 3.8 58 3.2 4.6 70
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Basin Index (%) 51 76
CHEYENNE RIVER BASIN
Blind Park 6890 2.0 4.0 50 4.3 5.7 75
North Rapid Creek 6130 2.2 3.8 58 3.2 4.6 70
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Basin Index (%) 54 73
UPPER N. PLATTE
Arapaho Ridge 10960 14.4 12.0 120 13.9 12.4 112
Blackhall Mtn 9820 19.8 15.0 132 21.4 16.1 133
Cinnabar Park 9574 12.4 11.6 107 14.9 13.4 111
Columbine 9160 14.6 12.4 118 17.4 13.3 131
Divide Peak 8880 9.8 10.4 94 14.6 12.2 120
Joe Wright 10120 14.0 10.2 137 20.4 14.0 146
Laprele Creek 8375 2.7 4.7 57 6.0 6.3 95
Med Bow 10500 22.1 -M * 20.9 -M *
Never Summer 10280 14.4 10.4 138 10.7 9.6 111
North French Creek 10130 16.7 14.8 113 18.0 15.0 120
Old Battle 10000 20.0 15.9 126 21.4 18.8 114
Rawah 9020 6.9 6.2 111 9.7 9.2 105
Sage Creek Basin 7850 5.5 7.5 73 7.7 7.7 100
Sand Lake 10050 16.7 14.2 118 17.4 12.8 136
South Brush Creek 8440 5.9 6.3 94 8.4 7.8 108
Tower 10500 28.2 22.2 127 28.8 22.4 129
Webber Springs 9250 14.3 11.8 121 17.9 14.9 120
Whiskey Park 8950 18.7 14.2 132 21.1 16.6 127
Willow Creek Pass 9540 9.2 6.8 135 10.0 7.2 139
Zirkel 9340 17.6 15.2 116 -M 17.0 *
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Basin Index (%) 118 122
SWEETWATER
Deer Park 9700 7.5 7.2 104 10.5 9.0 117
Larsen Creek 9000 -M 4.6 * 8.4 7.0 120
South Pass 9040 7.2 7.1 101 9.0 8.2 110
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Basin Index (%) 103 115
LOWER N. PLATTE
Casper Mtn. 7900 3.4 6.4 53 8.7 7.5 116
Laprele Creek 8375 2.7 4.7 57 6.0 6.3 95
Reno Hill 8400 5.4 6.9 78 9.2 7.9 116
Windy Peak 7900 3.3 3.9 85 6.6 5.6 118
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Basin Index (%) 68 112
LARAMIE RIVER
Brooklyn Lake 10240 14.1 11.2 126 16.3 11.8 138
Cinnabar Park 9574 12.4 11.6 107 14.9 13.4 111
Crow Creek 8330 2.4 4.5 53 5.6 6.1 92
Deadman Hill 10220 12.9 9.6 134 12.0 9.4 128
Rawah 9020 6.9 6.2 111 9.7 9.2 105
Roach 9700 10.9 8.9 122 13.5 10.6 127
Windy Peak 7900 3.3 3.9 85 6.6 5.6 118
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Basin Index (%) 113 119
S. PLATTE
Crow Creek 8330 2.4 4.5 53 5.6 6.1 92
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Basin Index (%) 53 92
LITTLE SNAKE RIVER
Battle Mountain 7440 5.8 6.2 94 10.8 8.8 123
Divide Peak 8880 9.8 10.4 94 14.6 12.2 120
Elk River 8700 12.7 9.4 135 16.4 10.7 153
Elkhead Divide 8780 12.0 -M * 15.8 -M *
Little Snake River 8915 14.9 14.0 106 22.9 19.0 121
Old Battle 10000 20.0 15.9 126 21.4 18.8 114
Sage Creek Basin 7850 5.5 7.5 73 7.7 7.7 100
Sandstone RS 8150 8.0 7.0 114 11.0 10.4 106
Whiskey Park 8950 18.7 14.2 132 21.1 16.6 127
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Basin Index (%) 113 121
UPPER GREEN RIVER
Big Sandy Opening 9080 6.4 7.1 90 8.5 7.2 118
Blind Bull Sum 8650 14.5 12.6 115 11.1 10.8 103
East Rim Divide 7930 -M 6.0 * -M 6.6 *
Elkhart Park G.S. 9400 5.6 7.0 80 6.6 7.4 89
Gros Ventre Summit 8750 7.5 7.4 101 8.1 7.0 116
Gunsight Pass 9820 8.8 7.3 121 9.5 7.9 120
Indian Creek 9425 14.5 12.2 119 14.3 11.2 128
Kendall R.S. 7740 6.8 6.8 100 10.5 8.2 128
Larsen Creek 9000 -M 4.6 * 8.4 7.0 120
Loomis Park 8240 8.5 8.2 104 11.3 9.6 118
New Fork Lake 8340 5.7 6.1 93 6.6 6.5 102
Pocket Creek 9360 -M -M * -M -M *
Snider Basin 8060 7.0 7.2 97 12.1 7.9 153
Spring Creek Divide 9000 14.6 13.0 112 16.7 13.0 128
Triple Peak 8500 14.9 11.8 126 18.6 13.9 134
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Basin Index (%) 108 121
LOWER GREEN RIVER
Blacks Fork Jct 8869 5.6 4.3 130 8.6 6.8 126
Buck Pasture 9632 8.6 -M * 12.1 -M *
EF Blacks Fork GS 9360 6.6 5.1 129 -M 6.0 *
Hams Fork 7840 6.6 5.8 114 8.9 6.2 144
Henrys Fork 10182 -M -M * 8.2 -M *
Hewinta 9500 5.5 5.0 110 10.3 7.7 134
Hickerson Park 9122 3.2 3.5 91 5.5 5.6 98
Hole-in-Rock 9168 3.3 3.7 89 6.2 5.8 107
Indian Creek 9425 14.5 12.2 119 14.3 11.2 128
Kelley R.S. 8180 7.8 7.4 105 12.9 9.5 136
Spirit Lk 10235 7.4 6.1 121 10.3 8.7 118
Steel Creek Park 10158 9.4 7.3 129 12.1 8.7 139
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Basin Index (%) 116 127
UPPER BEAR RIVER
Bear River RS 8777 5.9 4.7 126 9.7 6.6 147
Bug Lake 7987 10.2 8.2 124 14.4 9.6 150
Burts Miller Ranch 8000 3.9 3.2 122 5.1 4.8 106
Chalk Creek #1 9171 12.4 10.9 114 16.3 12.4 131
Giveout 6930 5.4 5.0 108 9.6 7.0 137
Hayden Fork 9130 9.7 7.0 139 15.8 10.6 149
Kelley R.S. 8180 7.8 7.4 105 12.9 9.5 136
Lily Lake 9133 6.5 6.4 102 11.2 8.6 130
Monte Cristo 8932 15.8 13.0 122 19.8 13.5 147
Salt River Summit 7640 7.9 6.8 116 12.0 8.6 140
Spring Creek Divide 9000 14.6 13.0 112 16.7 13.0 128
Trial Lake 9992 14.2 10.8 131 17.6 12.1 145
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Basin Index (%) 119 139
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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.
