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 TUESDAY: NOVEMBER 5 , 2019
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WYOMING
SNAKE RIVER
Base Camp 7060 1.8 .4 450* 2.3 2.4 96
Black Bear 8170 4.6 3.5 131* 4.6 4.6 100
Blind Bull Sum 8650 3.5 1.9 184* 1.6 2.4 67
Cottonwood Creek 7670 3.2 1.2 267* 3.3 3.2 103
East Rim Divide 7930 .6 .5 120* .9 1.6 56
Grand Targhee 9260 7.4 5.3 140 4.2 5.9 71
Granite Creek 6770 .8 .5 160* 1.5 2.3 65
Grassy Lake 7265 2.2 1.5 147* 5.4 4.1 132
Gros Ventre Summit 8750 1.7 1.9 89 1.4 2.1 67
Gunsight Pass 9820 1.5 1.3 115* 1.8 2.4 75
Lewis Lake Divide 7850 1.8 1.6 112* 4.2 3.9 108
Phillips Bench 8200 3.2 1.6 200* 3.1 2.9 107
Salt River Summit 7640 1.1 .4 275* 1.7 2.1 81
Snake River Station 6920 1.6 .4 400* 3.1 3.0 103
Spring Creek Divide 9000 2.9 1.5 193* 3.0 2.8 107
Thumb Divide 7980 1.5 .8 188* 2.5 2.6 96
Togwotee Pass 9580 4.8 3.1 155 3.9 3.3 118
Two Ocean Plateau 9240 -M 3.8 * -M 3.7 *
Willow Creek 8080 3.0 1.5 200* 5.0 4.4 114
Younts Peak 8350 2.9 1.7 171 2.7 2.6 104
----- -----
Basin Index (%) 164* 96
MADISON-GALLATIN
Black Bear 8170 4.6 3.5 131* 4.6 4.6 100
Canyon 7870 2.1 1.0 210* 2.3 2.3 100
Madison Plateau 7750 3.2 1.8 178* 3.3 3.4 97
West Yellowstone 6700 1.1 .2 550* 1.3 2.2 59
Whiskey Creek 6800 2.1 .8 262* 2.7 2.8 96
----- -----
Basin Index (%) 179* 93
YELLOWSTONE
Beartooth Lake 9360 4.6 3.3 139 4.2 2.7 156
Burnt Mtn 5880 1.3 .0 * 4.1 3.6 114
Canyon 7870 2.1 1.0 210* 2.3 2.3 100
Cole Creek 7850 5.5 2.9 190 4.0 3.3 121
Evening Star 9200 5.8 2.9 200 6.0 3.8 158
Fisher Creek 9100 5.5 3.3 167* 6.0 4.2 143
Northeast Entrance 7350 1.8 .1 1800* 2.9 2.1 138
Parker Peak 9400 5.6 3.0 187 5.0 3.0 167
Sylvan Lake 8420 3.9 2.1 186 4.9 3.5 140
Thumb Divide 7980 1.5 .8 188* 2.5 2.6 96
Two Ocean Plateau 9240 -M 3.8 * -M 3.7 *
White Mill 8700 5.2 2.6 200 3.7 3.3 112
Wolverine 7650 1.5 .2 750* 3.2 2.1 152
Younts Peak 8350 2.9 1.7 171 2.7 2.6 104
----- -----
Basin Index (%) 197 132
WIND RIVER
Burroughs Creek 8750 1.6 -M * 3.4 -M *
Castle Creek 8400 .3 -M * 1.5 -M *
Cold Springs 9630 1.0 1.1 91 1.5 2.1 71
Deer Park 9700 1.9 1.8 106 2.1 3.5 60
Hobbs Park 10100 1.6 2.2 73 1.8 2.6 69
Kirwin 9550 3.5 1.9 184 2.3 2.3 100
Little Warm 9370 2.9 1.4 207 1.5 2.2 68
Owl Creek 8975 .7 .9 78 1.2 1.4 86
South Pass 9040 1.6 1.5 107* 1.8 2.8 64
St. Lawrence Alt 8620 .6 1.0 60 1.1 2.0 55
Togwotee Pass 9580 4.8 3.1 155 3.9 3.3 118
Townsend Creek 8700 1.3 1.1 118 1.8 2.6 69
----- -----
Basin Index (%) 124 77
BIGHORN BASIN
Bald Mtn. 9380 6.2 3.5 177 5.4 3.1 174
Bear Trap Meadow 8200 2.5 .7 357 3.6 2.0 180
Bone Springs Div 9350 4.5 3.1 145 3.4 3.1 110
Grave Springs 8550 3.3 1.0 330 4.1 2.5 164
Kirwin 9550 3.5 1.9 184 2.3 2.3 100
Marquette 8760 2.0 -M * 2.9 -M *
Middle Powder 7760 3.5 1.2 292* 4.2 2.8 150
Owl Creek 8975 .7 .9 78 1.2 1.4 86
Powder River Pass 9480 -M 1.6 * 3.8 2.4 158
Shell Creek 9580 4.9 3.2 153 3.2 2.7 119
Timber Creek 7950 1.6 .8 200 2.0 2.3 87
----- -----
Basin Index (%) 188 135
SHOSHONE RIVER
Blackwater 9780 5.2 3.2 162 4.4 3.3 133
Evening Star 9200 5.8 2.9 200 6.0 3.8 158
Marquette 8760 2.0 -M * 2.9 -M *
Sylvan Lake 8420 3.9 2.1 186 4.9 3.5 140
Sylvan Road 7120 1.5 .4 375* 4.2 2.7 156
Younts Peak 8350 2.9 1.7 171 2.7 2.6 104
----- -----
Basin Index (%) 187 140
POWDER RIVER
Bear Trap Meadow 8200 2.5 .7 357 3.6 2.0 180
Cloud Peak Reservoir 9860 3.2 2.2 145 3.9 3.0 130
Grave Springs 8550 3.3 1.0 330 4.1 2.5 164
Hansen Sawmill 8360 1.6 .7 229 2.3 2.0 115
Middle Powder 7760 3.5 1.2 292* 4.2 2.8 150
Powder River Pass 9480 -M 1.6 * 3.8 2.4 158
Soldier Park 8720 1.3 -M * 2.4 -M *
----- -----
Basin Index (%) 243 149
TONGUE RIVER
Big Goose 7990 1.8 1.1 164 3.2 2.8 114
Bone Springs Div 9350 4.5 3.1 145 3.4 3.1 110
Burgess Junction 7880 3.1 1.5 207 -M 2.7 *
Dome Lake 8880 2.3 2.2 105 2.6 3.1 84
Little Goose 8870 2.6 -M * 2.5 -M *
Sucker Creek 8880 3.7 1.8 206 3.7 3.1 119
Tie Creek 6870 2.2 .3 733* 3.5 3.0 117
----- -----
Basin Index (%) 176 109
BELLE FOURCHE
Blind Park 6890 2.4 .8 300 3.0 2.9 103
Cole Canyon 5910 1.8 .0 * 3.9 2.4 162
----- -----
Basin Index (%) 525 130
CHEYENNE RIVER BASIN
Blind Park 6890 2.4 .8 300 3.0 2.9 103
North Rapid Creek 6130 2.2 .4 550* 2.9 2.5 116
----- -----
Basin Index (%) 383 109
UPPER N. PLATTE
Arapaho Ridge 10960 2.9 3.2 91 3.3 3.8 87
Blackhall Mtn 9820 4.2 -M * 5.0 -M *
Columbine 9160 3.3 1.0 330* 2.9 3.2 91
Divide Peak 8880 2.5 1.9 132* 3.3 3.7 89
Joe Wright 10120 2.6 3.2 81 4.5 4.2 107
Laprele Creek 8375 2.8 .7 400* 3.3 2.4 138
Med Bow 10500 6.2 -M * 6.0 -M *
Never Summer 10280 3.1 2.6 119 2.4 -M *
North French Creek 10130 5.1 3.0 170* 5.4 3.9 138
Old Battle 10000 4.8 3.1 155* 4.8 4.9 98
Rawah 9020 2.3 .8 288* 3.5 2.9 121
Sage Creek Basin 7850 1.8 .8 225* 1.6 2.8 57
Sand Lake 10050 4.5 3.1 145* 4.6 3.7 124
South Brush Creek 8440 2.3 .8 288* 3.0 2.8 107
Tower 10500 6.5 4.8 135* 6.2 5.4 115
Webber Springs 9250 3.3 1.5 220* 3.9 3.8 103
Whiskey Park 8950 4.6 1.5 307* 5.5 3.5 157
Willow Creek Pass 9540 2.5 1.6 156 2.3 2.4 96
Zirkel 9340 -M 1.6 * -M 4.5 *
----- -----
Basin Index (%) 163* 109
SWEETWATER
Deer Park 9700 1.9 1.8 106 2.1 3.5 60
Larsen Creek 9000 .3 .3 100* 1.2 -M *
South Pass 9040 1.6 1.5 107* 1.8 2.8 64
----- -----
Basin Index (%) 106* 62
LOWER N. PLATTE
Casper Mtn. 7900 4.4 1.4 314* 3.8 3.2 119
Laprele Creek 8375 2.8 .7 400* 3.3 2.4 138
Reno Hill 8400 4.2 1.7 247 4.8 3.1 155
Windy Peak 7900 2.2 .6 367* 2.1 2.1 100
----- -----
Basin Index (%) 309* 130
LARAMIE RIVER
Brooklyn Lake 10240 3.4 1.7 200* 4.3 2.8 154
Cinnabar Park 9574 4.1 1.7 241* 5.1 3.5 146
Crow Creek 8330 1.5 .8 188 2.3 2.3 100
Deadman Hill 10220 3.6 2.4 150 3.5 2.9 121
Rawah 9020 2.3 .8 288* 3.5 2.9 121
Roach 9700 3.3 1.6 206* 3.0 3.0 100
Windy Peak 7900 2.2 .6 367* 2.1 2.1 100
----- -----
Basin Index (%) 212* 122
S. PLATTE
Black Mountain 8920 2.0 -M * 2.4 -M *
Crow Creek 8330 1.5 .8 188 2.3 2.3 100
Deadman Hill 10220 3.6 2.4 150 3.5 2.9 121
----- -----
Basin Index (%) 159 112
LITTLE SNAKE RIVER
Battle Mountain 7440 1.7 .0 * 2.2 2.4 92
Divide Peak 8880 2.5 1.9 132* 3.3 3.7 89
Elk River 8700 2.5 .3 833* 2.3 2.9 79
Little Snake River 8915 2.9 1.2 242* 5.1 5.1 100
Old Battle 10000 4.8 3.1 155* 4.8 4.9 98
Sage Creek Basin 7850 1.8 .8 225* 1.6 2.8 57
Sandstone RS 8150 2.1 .3 700* 2.4 2.8 86
Whiskey Park 8950 4.6 1.5 307* 5.5 3.5 157
----- -----
Basin Index (%) 252* 97
UPPER GREEN RIVER
Big Sandy Opening 9080 1.4 1.8 78 1.1 2.1 52
Blind Bull Sum 8650 3.5 1.9 184* 1.6 2.4 67
East Rim Divide 7930 .6 .5 120* .9 1.6 56
Elkhart Park G.S. 9400 .8 1.2 67* .7 2.2 32
Gros Ventre Summit 8750 1.7 1.9 89 1.4 2.1 67
Gunsight Pass 9820 1.5 1.3 115* 1.8 2.4 75
Indian Creek 9425 2.7 2.5 108 2.0 2.8 71
Kendall R.S. 7740 .8 .6 133* .9 1.9 47
Loomis Park 8240 1.1 .9 122* 3.3 2.1 157
New Fork Lake 8340 1.3 .8 162* 1.1 1.7 65
Pocket Creek 9360 -M -M * 1.4 -M *
Snider Basin 8060 1.1 .4 275* 1.9 1.8 106
Spring Creek Divide 9000 2.9 1.5 193* 3.0 2.8 107
Triple Peak 8500 3.3 1.7 194* 3.2 2.8 114
----- -----
Basin Index (%) 134* 80
LOWER GREEN RIVER
Blacks Fork Jct 8869 .5 -M * 1.8 -M *
Buck Pasture 9632 1.7 -M * 2.1 -M *
EF Blacks Fork GS 9360 1.9 -M * 1.7 -M *
Hams Fork 7840 .6 .4 150* 1.8 1.7 106
Hewinta 9500 .5 .3 167* 2.5 2.5 100
Hickerson Park 9122 .9 .5 180* 1.7 2.4 71
Hole-in-Rock 9168 1.4 .4 350* 1.4 2.3 61
Indian Creek 9425 2.7 2.5 108 2.0 2.8 71
Kelley R.S. 8180 1.5 .8 188* 2.0 2.3 87
Spirit Lk 10235 1.1 -M * 1.9 -M *
Steel Creek Park 10158 2.2 1.8 122 2.9 2.8 104
----- -----
Basin Index (%) 146* 85
UPPER BEAR RIVER
Bear River RS 8777 .4 -M * 1.4 -M *
Bug Lake 7987 1.6 .8 200* 2.2 2.6 85
Burts Miller Ranch 8000 .2 -M * .8 -M *
Chalk Creek #1 9171 2.3 2.0 115* 2.2 3.7 59
Hayden Fork 9130 1.2 .6 200* 2.8 3.1 90
Kelley R.S. 8180 1.5 .8 188* 2.0 2.3 87
Lily Lake 9133 1.1 .9 122* 1.6 2.9 55
Monte Cristo 8932 2.7 1.0 270* 2.4 3.4 71
Salt River Summit 7640 1.1 .4 275* 1.7 2.1 81
Spring Creek Divide 9000 2.9 1.5 193* 3.0 2.8 107
----- -----
Basin Index (%) 180* 78
-----------------------------------------------------------------------------
-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.
----------------------------------------------------------------------------
-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.