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: JUNE 22 , 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 .0 .0 100 34.9 28.6 122
COTTONWOOD CREEK 7670 .0 .0 100 32.1 37.4 86
GRAND TARGHEE 9260 47.5 -M * 48.5 -M *
GRANITE CREEK 6770 .0 .0 100 31.4 26.3 119
GRASSY LAKE 7265 .8 .0 56.9 47.4 120
GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 19.2 103
GUNSIGHT PASS 9820 -M -M * 21.2 -M *
LEWIS LAKE DIVIDE 7850 1.2 .0 49.3 47.4 104
PHILLIPS BENCH 8200 3.4 .0 44.4 38.4 116
SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.2 88
SNAKE RIVER STATION 6920 .0 .0 100 36.4 30.1 121
SPRING CREEK DIVIDE 9000 1.2 .0 32.3 34.4 94
THUMB DIVIDE 7980 .1 .0 29.3 26.3 111
TOGWOTEE PASS 9580 21.2 9.4 226 41.3 34.4 120
TWO OCEAN PLATEAU 9240 28.0 12.6 222 43.9 38.4 114
WILLOW CREEK 8380 1.1 .0 53.4 44.6 120
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Basin wide percent of average 224 110
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9360 22.0 6.8 324 34.4 29.0 119
BLACK BEAR 8170 29.0 8.0 362 56.6 52.8 107
CANYON 7870 .5 .0 28.0 22.1 127
FISHER CREEK 9100 -M 14.4 * 52.7 49.5 106
MADISON PLATEAU 7750 6.8 .1 6800 44.1 36.2 122
NORTHEAST ENTRANCE 7350 .1 .0 21.9 19.5 112
PARKER PEAK 9400 18.1 6.0 302 40.1 25.4 158
SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129
THUMB DIVIDE 7980 .1 .0 29.3 26.3 111
TWO OCEAN PLATEAU 9240 28.0 12.6 222 43.9 38.4 114
WHISKEY CREEK 6800 .0 .0 100 -M 29.3 *
WHITE MILL 8700 18.5 6.0 308 38.7 37.6 103
WOLVERINE 7650 .0 .0 100 23.0 19.9 116
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Basin wide percent of average 306 117
WIND RIVER
BURROUGHS CREEK 8750 .1 .1 100 26.1 24.3 107
COLD SPRINGS 9630 .0 .0 100 18.4 18.9 97
DEER PARK 9700 1.4 1.0 140 31.0 33.0 94
HOBBS PARK 10100 2.1 2.5 84 25.6 22.9 112
LITTLE WARM 9370 .0 .0 100 22.6 21.7 104
SOUTH PASS 9040 .2 .6 33 27.6 27.6 100
ST. LAWRENCE ALT 8620 .1 .0 16.8 17.0 99
TOGWOTEE PASS 9580 21.2 9.4 226 41.3 34.4 120
TOWNSEND CREEK 8700 .0 .0 100 22.0 20.5 107
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Basin wide percent of average 184 105
BIGHORN BASIN
BALD MTN. 9380 -M 4.2 * 27.8 27.5 101
BEAR TRAP MEADOW 8200 .0 .0 100 19.5 16.3 120
BLACKWATER 9780 25.8 12.4 208 38.1 31.5 121
BONE SPRINGS DIV 9350 .0 .7 0 29.7 24.8 120
EVENING STAR 9200 24.0 11.5 209 51.8 37.0 140
GRAVE SPRINGS 8550 .0 .0 100 19.1 18.0 106
KIRWIN 9550 .0 .2 0 23.3 19.7 118
MARQUETTE 8760 -M .4 * 22.7 20.5 111
MIDDLE POWDER 7760 .1 .0 18.8 21.1 89
OWL CREEK 8975 .1 .0 13.5 13.0 104
POWDER RIVER PASS 9480 .0 .0 100 26.4 21.9 121
SHELL CREEK 9580 10.0 1.4 714 27.9 23.1 121
SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129
SYLVAN ROAD 7120 .0 .0 100 31.5 25.2 125
TIMBER CREEK 7950 .2 .0 19.5 16.2 120
YOUNTS PEAK 8350 .1 .1 100 25.9 24.0 108
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Basin wide percent of average 226 117
SHOSHONE RIVER
BLACKWATER 9780 25.8 12.4 208 38.1 31.5 121
EVENING STAR 9200 24.0 11.5 209 51.8 37.0 140
KIRWIN 9550 .0 .2 0 23.3 19.7 118
MARQUETTE 8760 -M .4 * 22.7 20.5 111
SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129
SYLVAN ROAD 7120 .0 .0 100 31.5 25.2 125
YOUNTS PEAK 8350 .1 .1 100 25.9 24.0 108
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Basin wide percent of average 206 123
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .0 .0 100 19.5 16.3 120
BIG GOOSE 7990 .2 .0 24.5 17.7 138
BONE SPRINGS DIV 9350 .0 .7 0 29.7 24.8 120
BURGESS JUNCTION 7880 .0 .0 100 25.7 20.6 125
CLOUD PEAK RESERVOIR 9860 8.0 .9 889 31.8 24.2 131
DOME LAKE 8880 .0 .0 100 28.8 22.7 127
GRAVE SPRINGS 8550 .0 .0 100 19.1 18.0 106
HANSEN SAWMILL 8360 .1 .0 23.4 16.5 142
MIDDLE POWDER 7760 .1 .0 18.8 21.1 89
POWDER RIVER PASS 9480 .0 .0 100 26.4 21.9 121
SUCKER CREEK 8880 .1 .0 31.0 23.9 130
TIE CREEK 6870 -M .0 * 24.1 19.6 123
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Basin wide percent of average 500 122
BELLE FOURCHE
BLIND PARK 6890 .0 .0 100 22.6 20.3 111
COLE CANYON 5910 .1 .0 23.7 15.6 152
NORTH RAPID CREEK 6130 .0 .0 100 24.7 16.9 146
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Basin wide percent of average * 134
UPPER N. PLATTE RIVER
COLUMBINE 9160 .0 .0 100 36.3 33.3 109
DIVIDE PEAK 8880 .0 .0 100 32.1 28.7 112
ELK RIVER 8700 -M .0 * 30.3 27.3 111
JOE WRIGHT 10120 3.4 3.8 89 40.2 36.7 110
NORTH FRENCH CREEK 10130 6.6 7.5 88 41.3 36.1 114
OLD BATTLE 10000 13.9 7.0 199 51.7 45.8 113
SAGE CREEK BASIN 7850 .0 .0 100 22.7 16.7 136
SOUTH BRUSH CREEK 8440 .0 .0 100 24.3 25.2 96
TOWER 10500 20.2 18.1 112 53.8 51.9 104
WEBBER SPRINGS 9250 .0 .3 0 40.3 36.0 112
WILLOW CREEK PASS 9540 .3 .0 24.0 20.6 117
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Basin wide percent of average 120 111
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 .0 1.9 0 32.0 32.7 98
CASPER MTN. 7900 .0 .5 0 30.5 25.8 118
DEADMAN HILL 10220 .1 1.7 6 28.8 26.1 110
DEER PARK 9700 1.4 1.0 140 31.0 33.0 94
LAPRELE CREEK 8375 .0 .0 100 21.3 21.7 98
RENO HILL 8400 .0 .0 100 32.4 26.3 123
ROACH 9700 .0 .5 0 31.7 28.0 113
SAND LAKE 10050 15.7 7.7 204 43.1 36.2 119
SOUTH PASS 9040 .2 .6 33 27.6 27.6 100
WINDY PEAK 7900 -M .0 * 19.1 18.7 102
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Basin wide percent of average 125 108
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 .0 100 23.0 22.0 105
DIVIDE PEAK 8880 .0 .0 100 32.1 28.7 112
OLD BATTLE 10000 13.9 7.0 199 51.7 45.8 113
SANDSTONE RS 8150 -M .0 * 28.7 26.0 110
WHISKEY PARK 8950 .0 1.1 0 46.6 39.4 118
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Basin wide percent of average 172 112
UPPER GREEN RIVER
BIG SANDY OPENING 9080 -M .0 * 19.5 20.0 98
BLIND BULL SUM 8650 10.3 4.3 240 24.9 29.5 84
EAST RIM DIVIDE 7930 .0 .0 100 15.6 17.3 90
ELKHART PARK G.S. 9400 .0 .0 100 16.6 20.6 81
GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 19.2 103
GUNSIGHT PASS 9820 -M -M * 21.2 -M *
KENDALL R.S. 7740 .0 .0 100 18.6 19.8 94
LOOMIS PARK 8240 .0 .0 100 23.4 23.7 99
NEW FORK LAKE 8340 .0 .0 100 14.3 17.3 83
SNIDER BASIN 8060 .0 .0 100 19.7 21.4 92
SPRING CREEK DIVIDE 9000 1.2 .0 32.3 34.4 94
TRIPLE PEAK 8500 .0 .0 100 39.3 33.4 118
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Basin wide percent of average 240 95
LOWER GREEN RIVER
HAMS FORK 7840 .0 .0 100 15.7 18.2 86
HEWINTA 9519 .0 .0 100 23.2 21.5 108
HICKERSON PARK 9145 .0 .0 100 14.4 13.7 105
HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.5 113
INDIAN CREEK 9425 4.9 .7 700 30.9 33.8 91
KELLEY R.S. 8180 .1 .0 24.4 27.4 89
STEEL CREEK PARK 10200 4.4 2.2 200 26.2 24.6 107
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Basin wide percent of average 321 98
UPPER BEAR RIVER
BUG LAKE 7950 -M .0 * -M 26.3 *
HAYDEN FORK 9212 .1 .0 31.4 29.9 105
KELLEY R.S. 8180 .1 .0 24.4 27.4 89
LILY LAKE 9156 .7 .0 25.4 25.5 100
MONTE CRISTO 8960 .0 1.0 0 33.2 35.4 94
SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.2 88
TRIAL LAKE 9992 -M 3.1 * 32.3 35.0 92
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Basin wide percent of average 0* 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.