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: JUNE 12 , 2019
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
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WYOMING
SNAKE RIVER
Base Camp 7060 .0 .0 * 27.0 26.9 100
Black Bear 8170 27.3 14.8 184 55.8 48.2 116
Blind Bull Sum 8650 14.1 2.9 486 25.8 25.4 102
Cottonwood Creek 7670 .0 .0 * 35.3 32.9 107
East Rim Divide 7930 .0 .0 * 18.2 15.9 114
Grand Targhee 9260 38.7 35.7 108 43.9 41.8 105
Granite Creek 6770 .0 .0 * 28.6 25.1 114
Grassy Lake 7265 -M .0 * -M 45.6 *
Gros Ventre Summit 8750 -M .0 * 18.6 18.1 103
Gunsight Pass 9820 6.7 .0 * 22.5 19.8 114
Lewis Lake Divide 7850 4.9 .0 * 47.1 44.4 106
Phillips Bench 8200 8.3 .0 * 40.2 35.7 113
Salt River Summit 7640 .0 .0 * 23.8 21.8 109
Snake River Station 6920 .0 .0 * 31.9 29.1 110
Spring Creek Divide 9000 10.1 1.0 1010* 30.9 30.2 102
Thumb Divide 7980 .0 .0 * 25.1 25.1 100
Togwotee Pass 9580 16.7 16.2 103 32.6 32.3 101
Two Ocean Plateau 9240 18.4 19.0 97 32.9 35.9 92
Willow Creek 8080 .5 .0 * 46.5 44.4 105
Younts Peak 8350 -M .0 * -M 22.0 *
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Basin Index (%) 163* 106
MADISON-GALLATIN
Black Bear 8170 27.3 14.8 184 55.8 48.2 116
Canyon 7870 .3 .0 * 22.2 22.1 100
Madison Plateau 7750 5.6 .0 * 38.0 34.7 110
West Yellowstone 6700 .0 .0 * 23.1 19.9 116
Whiskey Creek 6800 .0 .0 * 30.5 27.3 112
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Basin Index (%) 224* 111
YELLOWSTONE
Beartooth Lake 9360 19.3 10.9 177 28.5 26.5 108
Burnt Mtn 5880 .0 .0 * 27.6 22.6 122
Canyon 7870 .3 .0 * 22.2 22.1 100
Cole Creek 7850 11.7 1.0 1170* 25.1 22.9 110
Evening Star 9200 18.4 11.6 159 40.2 37.0 109
Fisher Creek 9100 23.1 21.2 109 46.1 42.2 109
Northeast Entrance 7350 .1 .0 * 20.4 18.0 113
Parker Peak 9400 16.3 8.2 199 33.8 25.5 133
Sylvan Lake 8420 1.1 .1 1100* 36.5 31.2 117
Thumb Divide 7980 .0 .0 * 25.1 25.1 100
Two Ocean Plateau 9240 18.4 19.0 97 32.9 35.9 92
White Mill 8700 12.8 10.4 123 28.7 32.2 89
Wolverine 7650 .0 .0 * 18.9 17.5 108
Younts Peak 8350 -M .0 * -M 22.0 *
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Basin Index (%) 147* 108
WIND RIVER
Burroughs Creek 8750 .0 -M * 22.6 -M *
Castle Creek 8400 .0 -M * 13.0 -M *
Cold Springs 9630 .0 .0 * 17.0 16.4 104
Deer Park 9700 2.8 .0 * 26.8 28.6 94
Hobbs Park 10100 12.5 .0 * 24.1 21.7 111
Kirwin 9550 .0 .0 * 21.2 18.3 116
Little Warm 9370 -M .0 * 13.1 19.5 67
Owl Creek 8975 .0 .0 * 16.5 11.7 141
South Pass 9040 .2 .0 * 21.0 24.7 85
St. Lawrence Alt 8620 -M .0 * -M 15.6 *
Togwotee Pass 9580 16.7 16.2 103 32.6 32.3 101
Townsend Creek 8700 .0 .0 * 21.6 19.2 112
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Basin Index (%) 199* 101
BIGHORN BASIN
Bald Mtn. 9380 15.4 6.3 244 24.1 25.0 96
Bear Trap Meadow 8200 .0 .0 * 15.3 15.0 102
Bone Springs Div 9350 7.4 .1 7400* 20.4 23.9 85
Grave Springs 8550 .0 .0 * 17.5 17.2 102
Kirwin 9550 .0 .0 * 21.2 18.3 116
Marquette 8760 3.7 -M * 24.7 -M *
Middle Powder 7760 .0 .0 * 20.0 18.5 108
Owl Creek 8975 .0 .0 * 16.5 11.7 141
Powder River Pass 9480 .0 .0 * 16.0 20.3 79
Shell Creek 9580 8.3 1.3 638* 18.8 21.5 87
Timber Creek 7950 .1 .0 * 19.5 14.8 132
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Basin Index (%) 405* 102
SHOSHONE RIVER
Blackwater 9780 21.7 14.1 154 36.1 28.9 125
Evening Star 9200 18.4 11.6 159 40.2 37.0 109
Marquette 8760 3.7 -M * 24.7 -M *
Sylvan Lake 8420 1.1 .1 1100* 36.5 31.2 117
Sylvan Road 7120 .0 .0 * 21.9 22.7 96
Younts Peak 8350 -M .0 * -M 22.0 *
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Basin Index (%) 160* 112
POWDER RIVER
Bear Trap Meadow 8200 .0 .0 * 15.3 15.0 102
Cloud Peak Reservoir 9860 8.2 .0 * 22.2 22.7 98
Grave Springs 8550 .0 .0 * 17.5 17.2 102
Hansen Sawmill 8360 .1 .0 * 17.7 15.5 114
Middle Powder 7760 .0 .0 * 20.0 18.5 108
Powder River Pass 9480 .0 .0 * 16.0 20.3 79
Soldier Park 8720 .0 -M * 16.1 -M *
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Basin Index (%) * 100
TONGUE RIVER
Big Goose 7990 .1 .0 * 21.9 19.3 113
Bone Springs Div 9350 7.4 .1 7400* 20.4 23.9 85
Burgess Junction 7880 .0 .0 * 20.2 19.3 105
Dome Lake 8880 1.3 .0 * 22.4 21.7 103
Little Goose 8870 1.9 -M * 16.2 -M *
Sucker Creek 8880 2.4 .0 * 22.3 23.0 97
Tie Creek 6870 .0 .0 * 24.4 20.2 121
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Basin Index (%) 11200* 103
BELLE FOURCHE
Blind Park 6890 .0 .0 * 12.8 20.0 64
Cole Canyon 5910 .0 .0 * 22.6 18.6 122
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Basin Index (%) * 92
CHEYENNE RIVER BASIN
Blind Park 6890 .0 .0 * 12.8 20.0 64
North Rapid Creek 6130 -M .0 * 13.2 17.6 75
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Basin Index (%) * 69
UPPER N. PLATTE
Arapaho Ridge 10960 17.8 1.2 1483* 35.9 30.6 117
Blackhall Mtn 9820 17.0 -M * 42.8 -M *
Columbine 9160 .0 .0 * 36.3 32.3 112
Divide Peak 8880 .0 .0 * 31.7 28.3 112
Joe Wright 10120 13.4 6.3 213 38.1 35.5 107
Laprele Creek 8375 .0 .0 * 20.8 19.1 109
Med Bow 10500 33.1 -M * 45.5 -M *
Never Summer 10280 18.5 8.1 228 26.2 -M *
North French Creek 10130 19.1 12.4 154 39.0 36.4 107
Old Battle 10000 33.1 8.5 389 47.3 44.8 106
Rawah 9020 .1 .0 * 23.4 21.0 111
Sage Creek Basin 7850 -M .0 * 21.1 18.7 113
Sand Lake 10050 25.8 12.2 211 33.3 34.6 96
South Brush Creek 8440 .0 .0 * 18.2 22.0 83
Tower 10500 43.5 25.3 172 58.5 50.7 115
Webber Springs 9250 6.3 .0 * 40.2 34.0 118
Whiskey Park 8950 3.8 .0 * 41.2 36.0 114
Willow Creek Pass 9540 .2 .0 * 22.7 19.4 117
Zirkel 9340 .0 .0 * 44.9 35.6 126
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Basin Index (%) 245* 111
SWEETWATER
Deer Park 9700 2.8 .0 * 26.8 28.6 94
Larsen Creek 9000 .0 .0 * 18.6 -M *
South Pass 9040 .2 .0 * 21.0 24.7 85
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Basin Index (%) * 90
LOWER N. PLATTE
Casper Mtn. 7900 .0 .0 * 23.5 23.0 102
Laprele Creek 8375 .0 .0 * 20.8 19.1 109
Reno Hill 8400 .1 .0 * 27.4 23.8 115
Windy Peak 7900 .1 .0 * 17.5 17.4 101
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Basin Index (%) * 107
LARAMIE RIVER
Brooklyn Lake 10240 5.5 .0 * 34.6 29.4 118
Cinnabar Park 9574 4.1 .0 * 31.7 31.8 100
Crow Creek 8330 .0 .0 * 17.1 18.1 94
Deadman Hill 10220 5.6 .2 2800* 26.0 25.0 104
Rawah 9020 .1 .0 * 23.4 21.0 111
Roach 9700 .2 .0 * 30.7 26.8 115
Windy Peak 7900 .1 .0 * 17.5 17.4 101
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Basin Index (%) 7800* 107
S. PLATTE
Black Mountain 8920 .1 -M * 19.7 -M *
Crow Creek 8330 .0 .0 * 17.1 18.1 94
Deadman Hill 10220 5.6 .2 2800* 26.0 25.0 104
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Basin Index (%) 2800* 100
LITTLE SNAKE RIVER
Battle Mountain 7440 .0 .0 * 22.0 19.9 111
Divide Peak 8880 .0 .0 * 31.7 28.3 112
Elk River 8700 .0 .0 * 26.4 26.4 100
Little Snake River 8915 1.7 .0 * 47.1 37.7 125
Old Battle 10000 33.1 8.5 389 47.3 44.8 106
Sage Creek Basin 7850 -M .0 * 21.1 18.7 113
Sandstone RS 8150 .0 .0 * 23.9 24.1 99
Whiskey Park 8950 3.8 .0 * 41.2 36.0 114
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Basin Index (%) 454* 111
UPPER GREEN RIVER
Big Sandy Opening 9080 .0 .0 * 20.0 19.0 105
Blind Bull Sum 8650 14.1 2.9 486 25.8 25.4 102
East Rim Divide 7930 .0 .0 * 18.2 15.9 114
Elkhart Park G.S. 9400 .0 .0 * 20.9 19.0 110
Gros Ventre Summit 8750 -M .0 * 18.6 18.1 103
Gunsight Pass 9820 6.7 .0 * 22.5 19.8 114
Indian Creek 9425 9.7 1.3 746* 27.6 29.1 95
Kendall R.S. 7740 .0 .0 * 18.4 18.5 99
Loomis Park 8240 .6 .0 * 24.2 22.5 108
New Fork Lake 8340 .0 .0 * 17.2 15.6 110
Pocket Creek 9360 .0 -M * 19.8 -M *
Snider Basin 8060 .0 .0 * 19.2 18.2 105
Spring Creek Divide 9000 10.1 1.0 1010* 30.9 30.2 102
Triple Peak 8500 -M .0 * -M 32.6 *
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Basin Index (%) 792* 105
LOWER GREEN RIVER
Blacks Fork Jct 8869 .0 -M * 19.2 -M *
Buck Pasture 9632 .0 -M * 28.5 -M *
EF Blacks Fork GS 9360 .0 -M * 19.6 -M *
Hams Fork 7840 .0 .0 * 20.3 16.1 126
Hewinta 9500 .0 .0 * 22.1 19.5 113
Hickerson Park 9122 .0 .0 * 17.9 15.1 119
Hole-in-Rock 9168 .0 .0 * 17.7 14.7 120
Indian Creek 9425 9.7 1.3 746* 27.6 29.1 95
Kelley R.S. 8180 .3 .0 * 24.5 23.8 103
Spirit Lk 10235 2.4 -M * 24.9 -M *
Steel Creek Park 10158 6.7 .6 1117* 27.6 22.9 121
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Basin Index (%) 879* 112
UPPER BEAR RIVER
Bear River RS 8777 .0 -M * 21.4 -M *
Bug Lake 7987 .0 .0 * 32.8 25.4 129
Burts Miller Ranch 8000 .0 -M * 11.7 -M *
Chalk Creek #1 9171 3.4 .0 * 38.8 33.2 117
Hayden Fork 9130 .0 .0 * 31.1 27.8 112
Kelley R.S. 8180 .3 .0 * 24.5 23.8 103
Lily Lake 9133 .0 .0 * 22.9 23.3 98
Monte Cristo 8932 12.3 .0 * 42.7 34.0 126
Salt River Summit 7640 .0 .0 * 23.8 21.8 109
Spring Creek Divide 9000 10.1 1.0 1010* 30.9 30.2 102
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Basin Index (%) 2610* 113
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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.
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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.