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 11 , 2008
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Average Avg Current Average Avg
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WYOMING
SNAKE RIVER
BASE CAMP 7030 1.2 .0 34.1 27.9 122
COTTONWOOD CREEK 7670 1.8 .0 32.1 36.7 87
GRAND TARGHEE 9260 55.5 -M * 46.2 -M *
GRANITE CREEK 6770 .0 .0 100 29.5 25.7 115
GRASSY LAKE 7265 15.1 4.8 315 55.8 46.3 121
GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 18.5 106
GUNSIGHT PASS 9820 4.4 -M * 20.8 -M *
LEWIS LAKE DIVIDE 7850 17.2 9.7 177 47.7 46.5 103
PHILLIPS BENCH 8200 15.2 7.4 205 43.6 37.6 116
SALT RIVER SUMMIT 7760 .0 .0 100 21.8 24.7 88
SNAKE RIVER STATION 6920 .0 .0 100 36.0 29.3 123
SPRING CREEK DIVIDE 9000 11.5 7.8 147 31.4 33.8 93
THUMB DIVIDE 7980 .1 .0 28.7 25.6 112
TOGWOTEE PASS 9580 27.0 16.6 163 39.8 33.6 118
TWO OCEAN PLATEAU 9240 39.7 19.8 201 43.3 37.4 116
WILLOW CREEK 8380 16.1 6.5 248 52.3 43.7 120
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Basin wide percent of average 195 110
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9360 27.2 14.1 193 33.7 28.0 120
BLACK BEAR 8170 40.7 17.6 231 55.6 51.6 108
CANYON 7870 .7 .2 350 27.8 21.4 130
FISHER CREEK 9100 37.7 23.8 158 51.6 48.1 107
MADISON PLATEAU 7750 19.3 2.8 689 43.2 35.3 122
NORTHEAST ENTRANCE 7350 .0 .0 100 21.3 18.5 115
PARKER PEAK 9400 27.4 12.8 214 38.6 24.3 159
SYLVAN LAKE 8420 17.1 6.4 267 39.7 30.3 131
THUMB DIVIDE 7980 .1 .0 28.7 25.6 112
TWO OCEAN PLATEAU 9240 39.7 19.8 201 43.3 37.4 116
WHISKEY CREEK 6800 3.2 .0 33.9 28.3 120
WHITE MILL 8700 25.2 12.7 198 37.9 36.4 104
WOLVERINE 7650 .0 .0 100 22.1 19.1 116
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Basin wide percent of average 213 118
WIND RIVER
BURROUGHS CREEK 8750 4.0 1.0 400 25.7 23.5 109
COLD SPRINGS 9630 .1 .5 20 18.4 18.0 102
DEER PARK 9700 11.8 5.9 200 30.6 32.0 96
HOBBS PARK 10100 13.4 6.1 220 25.3 22.0 115
LITTLE WARM 9370 .0 .4 0 22.2 20.9 106
SOUTH PASS 9040 1.7 3.2 53 27.6 26.9 103
ST. LAWRENCE ALT 8620 .1 .2 50 16.8 16.2 104
TOGWOTEE PASS 9580 27.0 16.6 163 39.8 33.6 118
TOWNSEND CREEK 8700 .0 .9 0 22.2 19.7 113
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Basin wide percent of average 167 107
BIGHORN BASIN
BALD MTN. 9380 18.3 10.8 169 26.7 26.5 101
BEAR TRAP MEADOW 8200 .0 .0 100 19.2 15.3 125
BLACKWATER 9780 30.9 19.1 162 36.6 30.3 121
BONE SPRINGS DIV 9350 11.5 4.0 288 29.0 23.6 123
EVENING STAR 9200 30.0 19.5 154 49.6 35.7 139
GRAVE SPRINGS 8550 .0 .9 0 19.2 17.0 113
KIRWIN 9550 6.4 2.6 246 23.2 18.6 125
MARQUETTE 8760 3.2 2.0 160 22.8 19.4 118
MIDDLE POWDER 7760 .1 .6 17 19.1 20.1 95
OWL CREEK 8975 .0 .3 0 13.7 12.1 113
POWDER RIVER PASS 9480 4.1 .7 586 25.4 20.8 122
SHELL CREEK 9580 17.1 5.4 317 26.6 21.8 122
SYLVAN LAKE 8420 17.1 6.4 267 39.7 30.3 131
SYLVAN ROAD 7120 .0 .0 100 30.8 24.2 127
TIMBER CREEK 7950 .2 .2 100 19.9 15.4 129
YOUNTS PEAK 8350 3.1 2.3 135 25.6 23.1 111
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Basin wide percent of average 190 121
SHOSHONE RIVER
BLACKWATER 9780 30.9 19.1 162 36.6 30.3 121
EVENING STAR 9200 30.0 19.5 154 49.6 35.7 139
KIRWIN 9550 6.4 2.6 246 23.2 18.6 125
MARQUETTE 8760 3.2 2.0 160 22.8 19.4 118
SYLVAN LAKE 8420 17.1 6.4 267 39.7 30.3 131
SYLVAN ROAD 7120 .0 .0 100 30.8 24.2 127
YOUNTS PEAK 8350 3.1 2.3 135 25.6 23.1 111
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Basin wide percent of average 175 126
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .0 .0 100 19.2 15.3 125
BIG GOOSE 7990 .0 .0 100 23.6 17.1 138
BONE SPRINGS DIV 9350 11.5 4.0 288 29.0 23.6 123
BURGESS JUNCTION 7880 5.6 .6 933 24.8 19.5 127
CLOUD PEAK RESERVOIR 9860 19.0 3.3 576 31.4 23.0 137
DOME LAKE 8880 5.3 1.5 353 27.9 21.7 129
GRAVE SPRINGS 8550 .0 .9 0 19.2 17.0 113
HANSEN SAWMILL 8360 .0 .0 100 23.0 15.4 149
MIDDLE POWDER 7760 .1 .6 17 19.1 20.1 95
POWDER RIVER PASS 9480 4.1 .7 586 25.4 20.8 122
SUCKER CREEK 8880 -M 1.2 * 29.5 22.7 130
TIE CREEK 6870 -M .1 * 24.1 18.4 131
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Basin wide percent of average 393 126
BELLE FOURCHE
BLIND PARK 6890 .0 .0 100 20.6 19.1 108
COLE CANYON 5910 .0 .0 100 22.9 14.3 160
NORTH RAPID CREEK 6130 .0 .0 100 22.2 15.5 143
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Basin wide percent of average * 134
UPPER N. PLATTE RIVER
COLUMBINE 9160 .0 .1 0 36.3 32.8 111
DIVIDE PEAK 8880 .1 .9 11 31.4 28.2 111
ELK RIVER 8700 .3 .0 30.1 26.7 113
JOE WRIGHT 10120 15.4 10.1 152 40.1 35.9 112
NORTH FRENCH CREEK 10130 19.6 15.8 124 41.0 35.3 116
OLD BATTLE 10000 27.3 17.2 159 50.9 45.1 113
SAGE CREEK BASIN 7850 .0 .5 0 22.4 16.3 137
SOUTH BRUSH CREEK 8440 .1 .5 20 24.8 24.4 102
TOWER 10500 32.7 31.7 103 53.5 51.0 105
WEBBER SPRINGS 9250 1.8 2.2 82 40.0 35.4 113
WILLOW CREEK PASS 9540 2.1 .8 262 23.2 19.7 118
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Basin wide percent of average 124 112
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 2.3 5.6 41 31.9 32.0 100
CASPER MTN. 7900 .0 1.8 0 29.8 25.0 119
DEADMAN HILL 10220 10.2 5.8 176 28.9 25.4 114
DEER PARK 9700 11.8 5.9 200 30.6 32.0 96
LAPRELE CREEK 8375 -M .0 * 21.2 21.0 101
RENO HILL 8400 .0 1.4 0 31.4 25.6 123
ROACH 9700 1.6 2.5 64 31.4 27.3 115
SAND LAKE 10050 26.6 16.8 158 42.7 35.3 121
SOUTH PASS 9040 1.7 3.2 53 27.6 26.9 103
WINDY PEAK 7900 -M .0 * 18.9 18.0 105
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Basin wide percent of average 126 110
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 .0 100 22.7 21.5 106
DIVIDE PEAK 8880 .1 .9 11 31.4 28.2 111
OLD BATTLE 10000 27.3 17.2 159 50.9 45.1 113
SANDSTONE RS 8150 -M .0 * 27.9 25.4 110
WHISKEY PARK 8950 10.4 5.6 186 46.1 38.7 119
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Basin wide percent of average 159 113
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .0 .0 100 19.4 19.3 101
BLIND BULL SUM 8650 20.2 11.8 171 24.5 28.8 85
EAST RIM DIVIDE 7930 .0 .0 100 15.4 16.7 92
ELKHART PARK G.S. 9400 .0 .0 100 16.7 19.9 84
GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 18.5 106
GUNSIGHT PASS 9820 4.4 -M * 20.8 -M *
KENDALL R.S. 7740 .1 .0 17.8 19.3 92
LOOMIS PARK 8240 .0 .0 100 23.2 23.1 100
NEW FORK LAKE 8340 .0 .0 100 -M 16.6 *
SNIDER BASIN 8060 .0 .0 100 19.2 20.9 92
SPRING CREEK DIVIDE 9000 11.5 7.8 147 31.4 33.8 93
TRIPLE PEAK 8500 7.1 .0 38.1 32.7 117
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Basin wide percent of average 162 97
LOWER GREEN RIVER
HAMS FORK 7840 .2 .0 15.6 17.6 89
HEWINTA 9519 -M .0 * 23.1 20.9 111
HICKERSON PARK 9145 .0 .0 100 14.4 13.2 109
HOLE-IN-ROCK 9150 .0 .0 100 15.3 12.9 119
INDIAN CREEK 9425 16.2 8.3 195 -M 33.2 *
KELLEY R.S. 8180 .4 .0 24.0 26.9 89
STEEL CREEK PARK 10200 14.4 6.7 215 26.2 23.9 110
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Basin wide percent of average 204 103
UPPER BEAR RIVER
BUG LAKE 7950 .1 .4 25 23.1 25.8 90
HAYDEN FORK 9212 .2 .2 100 31.1 29.3 106
KELLEY R.S. 8180 .4 .0 24.0 26.9 89
LILY LAKE 9156 .5 .2 250 25.0 24.9 100
MONTE CRISTO 8960 9.9 6.0 165 33.3 34.9 95
SALT RIVER SUMMIT 7760 .0 .0 100 21.8 24.7 88
TRIAL LAKE 9992 4.3 8.6 50 32.1 34.3 94
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Basin wide percent of average 97 95
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-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Average Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent of average 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 Average represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the average 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.
Reference period for average conditions is 1961-90.
Provisional data, subject to revision.
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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.