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 THURSDAY: FEBRUARY 8 , 2024
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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 8.7 12.4 70 12.1 14.4 84
Blind Bull Sum 8650 13.1 16.0 82 9.2 12.6 73
Cottonwood Creek 7670 14.1 14.2 99 17.3 16.4 105
East Rim Divide 7930 5.6 7.0 80 6.6 7.7 86
Grand Targhee 9260 24.6 29.1 85 19.6 22.2 88
Granite Creek 6770 7.9 11.2 71 9.4 12.9 73
Grassy Lake 7265 16.1 21.4 75 21.5 24.0 90
Gros Ventre Summit 8750 6.5 8.2 79 7.9 8.0 99
Gunsight Pass 9820 7.7 8.8 88 9.8 9.4 104
Lewis Lake Divide 7850 16.6 19.8 84 21.4 22.2 96
Loomis Park 8240 7.7 10.4 74 9.0 11.0 82
Phillips Bench 8200 14.0 16.4 85 16.6 18.1 92
Salt River Summit 7640 8.9 8.2 109 8.9 10.6 84
Snake River Station 6920 9.5 12.1 79 15.0 15.8 95
Somsen Ranch 6800 10.3 8.9 116 14.2 11.4 125
Spring Creek Divide 9000 13.7 15.7 87 14.1 15.6 90
Thumb Divide 7980 8.8 10.0 88 10.2 11.6 88
Togwotee Pass 9580 11.5 15.0 77 11.3 16.6 68
Triple Peak 8500 12.7 15.2 84 14.5 16.3 89
Two Ocean Plateau 9240 14.7 20.1 73 15.6 17.2 91
Willow Creek 8080 18.7 18.4 102 21.8 21.8 100
Younts Peak 8350 6.8 9.6 71 8.8 10.0 88
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Basin Index (%) 84 90
MADISON HEADWATERS IN WYOMING
Black Bear 8170 18.6 24.4 76 22.5 23.9 94
Canyon 7870 5.9 -M * 8.2 -M *
Madison Plateau 7750 11.1 14.2 78 14.0 15.6 90
West Yellowstone 6700 4.4 7.4 59 8.6 9.7 89
Whiskey Creek 6800 7.3 9.7 75 12.6 12.7 99
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Basin Index (%) 74 93
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 8.9 15.6 57 8.6 14.2 61
Canyon 7870 5.9 -M * 8.2 -M *
Evening Star 9200 11.7 18.2 64 17.4 19.8 88
Fisher Creek 9100 11.5 22.4 51 14.5 22.0 66
Monument Peak 8850 8.4 13.7 61 11.3 15.2 74
Northeast Entrance 7350 2.4 6.8 35 5.9 9.0 66
Parker Peak 9400 11.1 14.6 76 13.1 14.0 94
Sylvan Lake 8420 9.1 13.2 69 14.5 15.8 92
Thumb Divide 7980 8.8 10.0 88 10.2 11.6 88
Two Ocean Plateau 9240 14.7 20.1 73 15.6 17.2 91
White Mill 8700 9.1 16.5 55 10.3 15.5 66
Wolverine 7650 6.0 8.5 71 9.0 8.6 105
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Basin Index (%) 64 80
WIND RIVER
Burroughs Creek 8750 6.8 -M * 7.3 -M *
Castle Creek 8400 4.2 4.8 88 5.4 6.2 87
Cold Springs 9630 5.3 5.2 102 7.8 6.2 126
Deer Park 9700 9.8 8.7 113 11.8 10.7 110
Hobbs Park 10100 10.2 8.4 121 11.2 7.5 149
Kirwin 9550 7.8 7.1 110 10.1 8.0 126
Little Warm 9370 5.8 6.8 85 8.3 7.8 106
South Pass 9040 8.4 8.3 101 10.1 9.6 105
St. Lawrence Alt 8620 3.6 -M * 6.7 -M *
Togwotee Pass 9580 11.5 15.0 77 11.3 16.6 68
Townsend Creek 8700 5.8 5.7 102 9.2 7.0 131
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Basin Index (%) 98 107
BIGHORN BASIN
Bald Mtn. 9380 8.2 11.8 69 7.9 10.2 77
Bear Trap Meadow 8200 2.1 4.0 52 4.9 5.4 91
Bone Springs Div 9350 7.2 10.6 68 7.8 9.6 81
Grave Springs 8550 2.1 5.1 41 4.3 5.9 73
Kirwin 9550 7.8 7.1 110 10.1 8.0 126
Marquette 8760 8.0 4.4 182 10.9 6.2 176
Middle Powder 7760 3.1 6.2 50 5.0 6.2 81
Owl Creek 8975 -M 3.6 * -M 4.0 *
Powder River Pass 9480 3.8 7.2 53 6.8 8.4 81
Shell Creek 9580 7.4 9.4 79 8.2 8.9 92
Timber Creek 7950 5.0 3.2 156 8.9 5.0 178
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Basin Index (%) 79 101
SHOSHONE RIVER
Blackwater 9780 13.2 15.2 87 13.6 15.0 91
Evening Star 9200 11.7 18.2 64 17.4 19.8 88
Marquette 8760 8.0 4.4 182 10.9 6.2 176
Sylvan Lake 8420 9.1 13.2 69 14.5 15.8 92
Sylvan Road 7120 4.0 8.6 47 10.4 12.2 85
Younts Peak 8350 6.8 9.6 71 8.8 10.0 88
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Basin Index (%) 76 96
POWDER RIVER
Bear Trap Meadow 8200 2.1 4.0 52 4.9 5.4 91
Cloud Peak Reservoir 9860 7.4 9.0 82 9.1 8.6 106
Grave Springs 8550 2.1 5.1 41 4.3 5.9 73
Hansen Sawmill 8360 1.8 4.4 41 4.5 5.4 83
Middle Powder 7760 3.1 6.2 50 5.0 6.2 81
Powder River Pass 9480 3.8 7.2 53 6.8 8.4 81
Soldier Park 8720 1.6 4.4 36 6.2 6.2 100
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Basin Index (%) 54 89
TONGUE RIVER
Big Goose 7990 2.9 5.2 56 6.7 6.6 102
Bone Springs Div 9350 7.2 10.6 68 7.8 9.6 81
Burgess Junction 7880 4.1 7.0 59 7.6 7.8 97
Dome Lake 8880 2.3 7.0 33 6.4 8.1 79
Little Goose 8870 4.4 6.5 68 7.8 7.7 101
Sucker Creek 8880 5.8 7.8 74 9.1 8.6 106
Tie Creek 6870 .7 3.5 20 8.6 7.3 118
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Basin Index (%) 58 97
BELLE FOURCHE
Blind Park 6890 2.3 5.2 44 4.4 6.6 67
Cole Canyon 5910 1.7 3.6 47 3.4 5.6 61
North Rapid Creek 6130 3.9 4.9 80 5.2 5.4 96
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Basin Index (%) 58 74
CHEYENNE RIVER BASIN
Blind Park 6890 2.3 5.2 44 4.4 6.6 67
North Rapid Creek 6130 3.9 4.9 80 5.2 5.4 96
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Basin Index (%) 61 80
UPPER N. PLATTE
Arapaho Ridge 10976 13.6 15.0 91 13.8 15.2 91
Blackhall Mtn 9839 19.0 19.5 97 20.7 20.0 104
Cinnabar Park 9707 8.8 13.7 64 10.8 16.2 67
Columbine 9167 15.8 15.3 103 16.6 16.2 102
Divide Peak 8730 10.7 13.1 82 14.5 14.6 99
Joe Wright 10158 9.9 12.6 79 13.8 16.7 83
Laprele Creek 8390 3.9 5.6 70 6.7 7.4 91
Med Bow 10512 19.0 -M * 18.4 -M *
Never Summer 10323 11.2 12.8 88 8.4 11.2 75
North French Creek 10153 13.2 18.0 73 14.0 17.4 80
Old Battle 9860 16.7 20.3 82 17.7 23.2 76
Rawah 9069 7.0 7.7 91 10.1 10.8 94
Sage Creek Basin 7850 7.1 9.6 74 9.1 8.9 102
Sand Lake 10098 14.0 17.2 81 13.8 15.8 87
South Brush Creek 8495 4.9 7.7 64 6.6 9.0 73
Tower 10620 25.3 26.6 95 24.1 26.1 92
Webber Springs 9260 12.7 13.8 92 14.0 17.2 81
Whiskey Park 9020 18.9 17.4 109 19.6 18.2 108
Willow Creek Pass 9523 8.6 8.6 100 9.8 8.7 113
Zirkel 9338 15.2 19.6 78 17.4 21.4 81
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Basin Index (%) 86 89
SWEETWATER
Deer Park 9700 9.8 8.7 113 11.8 10.7 110
Larsen Creek 9000 4.2 6.2 68 8.2 8.0 102
South Pass 9040 8.4 8.3 101 10.1 9.6 105
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Basin Index (%) 97 106
LOWER N. PLATTE
Casper Mtn. 7920 5.2 8.1 64 9.8 8.8 111
Laprele Creek 8390 3.9 5.6 70 6.7 7.4 91
Reno Hill 8430 5.6 8.3 67 9.5 8.8 108
Windy Peak 7915 4.3 4.8 90 5.8 6.6 88
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Basin Index (%) 71 101
LARAMIE RIVER
Brooklyn Lake 10250 12.0 13.9 86 12.8 14.0 91
Cinnabar Park 9707 8.8 13.7 64 10.8 16.2 67
Crow Creek 8335 2.0 5.5 36 5.4 6.9 78
Deadman Hill 10239 10.2 11.3 90 9.6 11.6 83
Rawah 9069 7.0 7.7 91 10.1 10.8 94
Roach 9740 7.5 10.4 72 9.4 12.4 76
Windy Peak 7915 4.3 4.8 90 5.8 6.6 88
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Basin Index (%) 77 81
S. PLATTE
Crow Creek 8335 2.0 5.5 36 5.4 6.9 78
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Basin Index (%) 36 78
LITTLE SNAKE RIVER
Battle Mountain 7498 7.0 7.8 90 11.7 10.6 110
Divide Peak 8730 10.7 13.1 82 14.5 14.6 99
Elk River 8739 11.6 11.8 98 12.6 12.8 98
Elkhead Divide 8800 14.0 -M * 15.9 -M *
Little Snake River 8928 17.3 16.9 102 20.8 22.8 91
Old Battle 9860 16.7 20.3 82 17.7 23.2 76
Sage Creek Basin 7850 7.1 9.6 74 9.1 8.9 102
Sandstone RS 8152 10.9 8.6 127 10.9 12.0 91
Whiskey Park 9020 18.9 17.4 109 19.6 18.2 108
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Basin Index (%) 95 95
UPPER GREEN RIVER
Big Sandy Opening 9080 7.7 8.6 90 8.4 8.2 102
Blind Bull Sum 8650 13.1 16.0 82 9.2 12.6 73
East Rim Divide 7930 5.6 7.0 80 6.6 7.7 86
Elkhart Park G.S. 9400 6.0 8.2 73 7.4 8.6 86
Gros Ventre Summit 8750 6.5 8.2 79 7.9 8.0 99
Gunsight Pass 9820 7.7 8.8 88 9.8 9.4 104
Indian Creek 9425 13.4 14.8 91 12.0 13.3 90
Kendall R.S. 7740 5.2 7.9 66 8.0 9.0 89
Larsen Creek 9000 4.2 6.2 68 8.2 8.0 102
Loomis Park 8240 7.7 10.4 74 9.0 11.0 82
New Fork Lake 8340 5.4 7.0 77 -M 7.0 *
Pocket Creek 9360 -M -M * -M -M *
Snider Basin 8060 5.6 8.8 64 7.6 9.2 83
Spring Creek Divide 9000 13.7 15.7 87 14.1 15.6 90
Triple Peak 8500 12.7 15.2 84 14.5 16.3 89
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Basin Index (%) 80 90
LOWER GREEN RIVER
Blacks Fork Jct 8869 7.4 5.4 137 9.6 8.2 117
Buck Pasture 9632 10.4 -M * 11.1 -M *
EF Blacks Fork GS 9360 5.7 7.0 81 7.1 7.0 101
Hams Fork 7840 -M 7.6 * 7.0 7.5 93
Henrys Fork 10182 -M -M * 9.0 -M *
Hewinta 9500 6.6 5.8 114 10.2 9.0 113
Hickerson Park 9122 6.0 4.4 136 8.5 6.7 127
Hole-in-Rock 9168 5.5 4.5 122 6.8 6.7 101
Indian Creek 9425 13.4 14.8 91 12.0 13.3 90
Kelley R.S. 8180 10.0 9.6 104 10.9 11.4 96
Spirit Lk 10235 8.7 7.0 124 12.2 10.8 113
Steel Creek Park 10158 9.6 9.2 104 11.8 9.8 120
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Basin Index (%) 108 106
UPPER BEAR RIVER
Bear River RS 8777 6.9 6.2 111 9.3 7.7 121
Bug Lake 7987 14.6 12.4 118 14.9 12.2 122
Burts Miller Ranch 8000 5.4 4.2 129 8.7 5.2 167
Chalk Creek #1 9171 13.4 13.2 102 15.5 15.2 102
Giveout 6930 6.1 6.2 98 8.0 8.4 95
Hayden Fork 9130 11.2 9.0 124 15.2 12.9 118
Kelley R.S. 8180 10.0 9.6 104 10.9 11.4 96
Lily Lake 9133 9.1 7.9 115 10.6 10.0 106
Monte Cristo 8932 17.6 16.6 106 17.8 17.2 103
Salt River Summit 7640 8.9 8.2 109 8.9 10.6 84
Spring Creek Divide 9000 13.7 15.7 87 14.1 15.6 90
Trial Lake 9992 14.9 12.8 116 15.9 14.5 110
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Basin Index (%) 108 106
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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.
