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: NOVEMBER 3 , 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 1.7 .3 567* 2.3 2.2 105
Black Bear 8170 4.6 3.2 144* 4.5 4.3 105
Blind Bull Sum 8650 3.5 1.6 219* 1.7 2.3 74
Cottonwood Creek 7670 3.2 1.1 291* 3.3 3.0 110
East Rim Divide 7930 .6 .4 150* .9 1.5 60
Grand Targhee 9260 7.4 5.0 148 4.2 5.4 78
Granite Creek 6770 .6 .3 200* 1.2 2.1 57
Grassy Lake 7265 2.1 1.4 150* 5.3 3.8 139
Gros Ventre Summit 8750 1.6 1.8 89 1.4 2.0 70
Gunsight Pass 9820 1.4 1.1 127* 1.7 2.3 74
Lewis Lake Divide 7850 1.7 1.3 131* 4.1 3.5 117
Phillips Bench 8200 3.2 1.5 213* 3.1 2.7 115
Salt River Summit 7640 1.1 .3 367* 1.7 1.9 89
Snake River Station 6920 1.6 .3 533* 3.0 2.8 107
Spring Creek Divide 9000 2.8 1.3 215* 3.0 2.5 120
Thumb Divide 7980 1.4 .6 233* 2.5 2.4 104
Togwotee Pass 9580 4.7 2.9 162 3.9 3.0 130
Two Ocean Plateau 9240 -M 3.4 * -M 3.4 *
Willow Creek 8080 3.0 1.2 250* 4.9 4.1 120
Younts Peak 8350 3.0 1.6 188 2.5 2.4 104
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Basin Index (%) 181* 102
MADISON-GALLATIN
Black Bear 8170 4.6 3.2 144* 4.5 4.3 105
Canyon 7870 2.1 .8 262* 2.3 2.1 110
Madison Plateau 7750 3.2 1.6 200* 3.2 3.1 103
West Yellowstone 6700 1.1 .2 550* 1.3 2.0 65
Whiskey Creek 6800 2.1 .6 350* 2.7 2.6 104
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Basin Index (%) 205* 99
YELLOWSTONE
Beartooth Lake 9360 4.3 3.0 143 4.1 2.5 164
Burnt Mtn 5880 1.1 .0 * 3.9 3.5 111
Canyon 7870 2.1 .8 262* 2.3 2.1 110
Cole Creek 7850 4.4 2.8 157 3.4 3.2 106
Evening Star 9200 5.6 2.6 215 5.9 3.6 164
Fisher Creek 9100 5.0 3.0 167* 5.3 3.9 136
Northeast Entrance 7350 1.6 .0 * 2.6 1.9 137
Parker Peak 9400 5.4 2.9 186 4.7 2.8 168
Sylvan Lake 8420 4.0 1.9 211* 4.8 3.3 145
Thumb Divide 7980 1.4 .6 233* 2.5 2.4 104
Two Ocean Plateau 9240 -M 3.4 * -M 3.4 *
White Mill 8700 4.8 2.4 200* 3.5 3.1 113
Wolverine 7650 1.5 .1 1500* 3.1 2.0 155
Younts Peak 8350 3.0 1.6 188 2.5 2.4 104
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Basin Index (%) 204* 132
WIND RIVER
Burroughs Creek 8750 1.7 -M * 3.4 -M *
Castle Creek 8400 .3 -M * 1.4 -M *
Cold Springs 9630 1.0 1.0 100 1.6 2.0 80
Deer Park 9700 1.9 1.7 112 2.3 3.3 70
Hobbs Park 10100 1.7 2.1 81 2.0 2.5 80
Kirwin 9550 3.4 1.8 189 2.3 2.1 110
Little Warm 9370 2.7 1.3 208 1.6 2.1 76
Owl Creek 8975 .7 .8 88 1.2 1.4 86
South Pass 9040 1.7 1.4 121* 1.9 2.5 76
St. Lawrence Alt 8620 .7 .9 78 1.1 2.0 55
Togwotee Pass 9580 4.7 2.9 162 3.9 3.0 130
Townsend Creek 8700 1.5 1.1 136 1.9 2.5 76
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Basin Index (%) 133 85
BIGHORN BASIN
Bald Mtn. 9380 5.5 3.4 162 4.8 3.0 160
Bear Trap Meadow 8200 2.2 .6 367 3.6 1.9 189
Bone Springs Div 9350 4.0 2.9 138 3.2 2.9 110
Grave Springs 8550 3.2 1.0 320 4.0 2.4 167
Kirwin 9550 3.4 1.8 189 2.3 2.1 110
Marquette 8760 1.9 -M * 2.7 -M *
Middle Powder 7760 3.3 1.2 275* 4.1 2.7 152
Owl Creek 8975 .7 .8 88 1.2 1.4 86
Powder River Pass 9480 3.2 1.5 213 3.5 2.3 152
Shell Creek 9580 4.1 3.0 137 2.9 2.6 112
Timber Creek 7950 1.6 .8 200 2.0 2.2 91
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Basin Index (%) 184 134
SHOSHONE RIVER
Blackwater 9780 5.2 3.0 173 4.4 3.1 142
Evening Star 9200 5.6 2.6 215 5.9 3.6 164
Marquette 8760 1.9 -M * 2.7 -M *
Sylvan Lake 8420 4.0 1.9 211* 4.8 3.3 145
Sylvan Road 7120 1.5 .3 500* 4.1 2.6 158
Younts Peak 8350 3.0 1.6 188 2.5 2.4 104
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Basin Index (%) 205 145
POWDER RIVER
Bear Trap Meadow 8200 2.2 .6 367 3.6 1.9 189
Cloud Peak Reservoir 9860 2.7 2.0 135 3.8 2.9 131
Grave Springs 8550 3.2 1.0 320 4.0 2.4 167
Hansen Sawmill 8360 1.4 .6 233* 2.1 2.0 105
Middle Powder 7760 3.3 1.2 275* 4.1 2.7 152
Powder River Pass 9480 3.2 1.5 213 3.5 2.3 152
Soldier Park 8720 1.1 -M * 2.2 -M *
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Basin Index (%) 232 149
TONGUE RIVER
Big Goose 7990 1.6 1.0 160* 3.3 2.7 122
Bone Springs Div 9350 4.0 2.9 138 3.2 2.9 110
Burgess Junction 7880 2.8 1.5 187 5.5 2.6 212
Dome Lake 8880 2.0 2.2 91 2.5 3.0 83
Little Goose 8870 2.3 -M * 2.3 -M *
Sucker Creek 8880 3.3 1.7 194 3.5 2.9 121
Tie Creek 6870 2.0 .3 667* 3.3 2.9 114
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Basin Index (%) 164 125
BELLE FOURCHE
Blind Park 6890 2.1 .6 350* 2.8 2.7 104
Cole Canyon 5910 1.3 .0 * 3.6 2.3 157
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Basin Index (%) 567* 128
CHEYENNE RIVER BASIN
Blind Park 6890 2.1 .6 350* 2.8 2.7 104
North Rapid Creek 6130 2.0 .3 667* 2.6 2.4 108
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Basin Index (%) 456* 106
UPPER N. PLATTE
Arapaho Ridge 10960 2.9 3.1 94 3.3 3.7 89
Blackhall Mtn 9820 4.2 -M * 4.9 -M *
Columbine 9160 3.3 .9 367* -M 3.0 *
Divide Peak 8880 2.5 1.7 147* 3.3 3.5 94
Joe Wright 10120 2.7 2.8 96 4.5 3.9 115
Laprele Creek 8375 2.8 .6 467* 3.3 2.2 150
Med Bow 10500 6.0 -M * 5.9 -M *
Never Summer 10280 3.2 2.5 128 2.4 -M *
North French Creek 10130 5.0 2.9 172* 5.3 3.7 143
Old Battle 10000 4.8 2.9 166* 4.7 4.6 102
Rawah 9020 2.2 .6 367* 3.4 2.7 126
Sage Creek Basin 7850 1.8 .6 300* 1.6 2.6 62
Sand Lake 10050 4.5 2.8 161* 4.5 3.5 129
South Brush Creek 8440 2.3 .7 329* 2.9 2.6 112
Tower 10500 6.5 4.1 159* 6.1 5.0 122
Webber Springs 9250 3.3 1.4 236* 3.8 3.6 106
Whiskey Park 8950 4.5 1.2 375* 5.4 3.3 164
Willow Creek Pass 9540 2.5 1.4 179* 2.4 2.3 104
Zirkel 9340 -M 1.4 * -M 4.2 *
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Basin Index (%) 181* 115
SWEETWATER
Deer Park 9700 1.9 1.7 112 2.3 3.3 70
Larsen Creek 9000 .3 .2 150* 1.4 -M *
South Pass 9040 1.7 1.4 121* 1.9 2.5 76
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Basin Index (%) 118* 72
LOWER N. PLATTE
Casper Mtn. 7900 4.4 1.3 338* 3.7 3.1 119
Laprele Creek 8375 2.8 .6 467* 3.3 2.2 150
Reno Hill 8400 4.1 1.5 273 4.8 2.9 166
Windy Peak 7900 2.2 .5 440* 2.0 2.0 100
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Basin Index (%) 346* 135
LARAMIE RIVER
Brooklyn Lake 10240 3.4 1.6 212* 4.2 2.6 162
Cinnabar Park 9574 4.0 1.5 267* 5.1 3.2 159
Crow Creek 8330 1.6 .6 267* 2.3 2.3 100
Deadman Hill 10220 3.5 2.4 146 3.4 2.7 126
Rawah 9020 2.2 .6 367* 3.4 2.7 126
Roach 9700 3.2 1.4 229* 2.9 2.8 104
Windy Peak 7900 2.2 .5 440* 2.0 2.0 100
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Basin Index (%) 234* 127
S. PLATTE
Black Mountain 8920 2.0 -M * 2.4 -M *
Crow Creek 8330 1.6 .6 267* 2.3 2.3 100
Deadman Hill 10220 3.5 2.4 146 3.4 2.7 126
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Basin Index (%) 170* 114
LITTLE SNAKE RIVER
Battle Mountain 7440 1.7 .0 * 2.2 2.3 96
Divide Peak 8880 2.5 1.7 147* 3.3 3.5 94
Elk River 8700 2.6 .2 1300* 2.2 2.8 79
Little Snake River 8915 2.9 1.1 264* 5.1 4.9 104
Old Battle 10000 4.8 2.9 166* 4.7 4.6 102
Sage Creek Basin 7850 1.8 .6 300* 1.6 2.6 62
Sandstone RS 8150 2.1 .0 * 2.4 2.6 92
Whiskey Park 8950 4.5 1.2 375* 5.4 3.3 164
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Basin Index (%) 297* 101
UPPER GREEN RIVER
Big Sandy Opening 9080 1.4 1.6 88 1.1 2.0 55
Blind Bull Sum 8650 3.5 1.6 219* 1.7 2.3 74
East Rim Divide 7930 .6 .4 150* .9 1.5 60
Elkhart Park G.S. 9400 .7 1.1 64* .7 2.1 33
Gros Ventre Summit 8750 1.6 1.8 89 1.4 2.0 70
Gunsight Pass 9820 1.4 1.1 127* 1.7 2.3 74
Indian Creek 9425 2.6 2.2 118* 2.0 2.6 77
Kendall R.S. 7740 .7 .5 140* .8 1.7 47
Loomis Park 8240 1.0 .8 125* 3.3 2.0 165
New Fork Lake 8340 1.2 .7 171* 1.0 1.6 62
Pocket Creek 9360 -M -M * 1.4 -M *
Snider Basin 8060 1.1 .3 367* 1.9 1.6 119
Spring Creek Divide 9000 2.8 1.3 215* 3.0 2.5 120
Triple Peak 8500 3.3 1.4 236* 3.1 2.5 124
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Basin Index (%) 148* 85
LOWER GREEN RIVER
Blacks Fork Jct 8869 .5 -M * 1.8 -M *
Buck Pasture 9632 1.5 -M * 2.2 -M *
EF Blacks Fork GS 9360 1.8 -M * 1.7 -M *
Hams Fork 7840 .6 .3 200* 1.6 1.6 100
Hewinta 9500 .3 .2 150* 2.6 2.3 113
Hickerson Park 9122 .8 .4 200* 1.7 2.2 77
Hole-in-Rock 9168 1.3 .3 433* 1.4 2.2 64
Indian Creek 9425 2.6 2.2 118* 2.0 2.6 77
Kelley R.S. 8180 1.5 .7 214* 1.9 2.1 90
Spirit Lk 10235 1.1 -M * 1.8 -M *
Steel Creek Park 10158 2.2 1.6 138* 2.8 2.6 108
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Basin Index (%) 163* 90
UPPER BEAR RIVER
Bear River RS 8777 .3 -M * 1.4 -M *
Bug Lake 7987 1.7 .7 243* 2.2 2.5 88
Burts Miller Ranch 8000 .2 -M * .9 -M *
Chalk Creek #1 9171 2.3 1.8 128* -M 3.5 *
Hayden Fork 9130 1.1 .4 275* 2.8 2.9 97
Kelley R.S. 8180 1.5 .7 214* 1.9 2.1 90
Lily Lake 9133 1.0 .8 125* 1.6 2.7 59
Monte Cristo 8932 2.7 .8 338* 2.4 3.2 75
Salt River Summit 7640 1.1 .3 367* 1.7 1.9 89
Spring Creek Divide 9000 2.8 1.3 215* 3.0 2.5 120
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Basin Index (%) 209* 88
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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.