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 18 , 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 34.7 28.4 122
COTTONWOOD CREEK 7670 .0 .0 100 32.5 37.2 87
GRAND TARGHEE 9260 56.3 -M * 48.5 -M *
GRANITE CREEK 6770 .0 .0 100 31.1 26.1 119
GRASSY LAKE 7265 8.6 .0 57.0 47.0 121
GROS VENTRE SUMMIT 8750 .0 .0 100 19.6 19.0 103
GUNSIGHT PASS 9820 .0 -M * 21.2 -M *
LEWIS LAKE DIVIDE 7850 9.3 3.6 258 49.2 47.1 104
PHILLIPS BENCH 8200 9.6 2.7 356 44.5 38.2 116
SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.0 88
SNAKE RIVER STATION 6920 .0 .0 100 36.5 29.8 122
SPRING CREEK DIVIDE 9000 7.1 2.4 296 32.3 34.2 94
THUMB DIVIDE 7980 .2 .0 29.2 26.1 112
TOGWOTEE PASS 9580 25.0 12.1 207 41.3 34.2 121
TWO OCEAN PLATEAU 9240 33.6 15.3 220 43.9 38.1 115
WILLOW CREEK 8380 9.2 .8 1150 53.4 44.3 121
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Basin wide percent of average 254 111
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9360 25.0 9.5 263 34.4 28.7 120
BLACK BEAR 8170 35.8 11.3 317 56.8 52.3 109
CANYON 7870 .0 .1 0 28.2 21.9 129
FISHER CREEK 9100 34.1 18.4 185 52.6 49.0 107
MADISON PLATEAU 7750 13.1 .4 3275 44.1 35.9 123
NORTHEAST ENTRANCE 7350 .0 .0 100 21.9 19.1 115
PARKER PEAK 9400 23.4 8.7 269 39.9 25.0 160
SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131
THUMB DIVIDE 7980 .2 .0 29.2 26.1 112
TWO OCEAN PLATEAU 9240 33.6 15.3 220 43.9 38.1 115
WHISKEY CREEK 6800 .0 .0 100 34.9 29.0 120
WHITE MILL 8700 22.2 8.4 264 38.7 37.2 104
WOLVERINE 7650 .0 .0 100 23.1 19.6 118
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Basin wide percent of average 262 118
WIND RIVER
BURROUGHS CREEK 8750 .0 .3 0 26.2 24.0 109
COLD SPRINGS 9630 .0 .1 0 18.5 18.6 99
DEER PARK 9700 6.8 3.7 184 31.0 32.7 95
HOBBS PARK 10100 7.7 3.9 197 25.8 22.6 114
LITTLE WARM 9370 .0 .0 100 22.5 21.4 105
SOUTH PASS 9040 .0 1.9 0 27.8 27.4 101
ST. LAWRENCE ALT 8620 .0 .1 0 16.8 16.8 100
TOGWOTEE PASS 9580 25.0 12.1 207 41.3 34.2 121
TOWNSEND CREEK 8700 .0 .2 0 22.4 20.3 110
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Basin wide percent of average 177 107
BIGHORN BASIN
BALD MTN. 9380 14.9 6.4 233 27.8 27.2 102
BEAR TRAP MEADOW 8200 .0 .0 100 19.8 16.0 124
BLACKWATER 9780 29.3 15.2 193 38.1 31.1 123
BONE SPRINGS DIV 9350 5.2 1.9 274 29.8 24.4 122
EVENING STAR 9200 28.3 14.6 194 51.8 36.6 142
GRAVE SPRINGS 8550 .0 .0 100 19.2 17.7 108
KIRWIN 9550 .0 .8 0 23.4 19.4 121
MARQUETTE 8760 .0 .8 0 23.1 20.1 115
MIDDLE POWDER 7760 .0 .0 100 19.1 20.8 92
OWL CREEK 8975 .0 .0 100 13.7 12.7 108
POWDER RIVER PASS 9480 .0 .1 0 26.4 21.5 123
SHELL CREEK 9580 14.5 2.7 537 27.9 22.6 123
SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131
SYLVAN ROAD 7120 .0 .0 100 31.5 24.8 127
TIMBER CREEK 7950 .0 .0 100 19.9 16.0 124
YOUNTS PEAK 8350 .0 .3 0 26.1 23.7 110
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Basin wide percent of average 223 120
SHOSHONE RIVER
BLACKWATER 9780 29.3 15.2 193 38.1 31.1 123
EVENING STAR 9200 28.3 14.6 194 51.8 36.6 142
KIRWIN 9550 .0 .8 0 23.4 19.4 121
MARQUETTE 8760 .0 .8 0 23.1 20.1 115
SYLVAN LAKE 8420 9.9 3.0 330 40.5 31.0 131
SYLVAN ROAD 7120 .0 .0 100 31.5 24.8 127
YOUNTS PEAK 8350 .0 .3 0 26.1 23.7 110
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Basin wide percent of average 195 126
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .0 .0 100 19.8 16.0 124
BIG GOOSE 7990 .0 .0 100 24.6 17.5 141
BONE SPRINGS DIV 9350 5.2 1.9 274 29.8 24.4 122
BURGESS JUNCTION 7880 .0 .0 100 25.4 20.2 126
CLOUD PEAK RESERVOIR 9860 14.1 1.8 783 31.9 23.8 134
DOME LAKE 8880 .0 .3 0 28.6 22.3 128
GRAVE SPRINGS 8550 .0 .0 100 19.2 17.7 108
HANSEN SAWMILL 8360 .0 .0 100 23.2 16.1 144
MIDDLE POWDER 7760 .0 .0 100 19.1 20.8 92
POWDER RIVER PASS 9480 .0 .1 0 26.4 21.5 123
SUCKER CREEK 8880 4.8 .2 2400 30.4 23.5 129
TIE CREEK 6870 .0 .0 100 24.1 19.1 126
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Basin wide percent of average 560 125
BELLE FOURCHE
BLIND PARK 6890 .0 .0 100 22.0 19.9 111
COLE CANYON 5910 .1 .0 23.2 15.1 154
NORTH RAPID CREEK 6130 .0 .0 100 23.3 16.4 142
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Basin wide percent of average * 133
UPPER N. PLATTE RIVER
COLUMBINE 9160 .0 .0 100 36.4 33.2 110
DIVIDE PEAK 8880 .0 .0 100 32.1 28.5 113
ELK RIVER 8700 -M .0 * 30.4 27.0 113
JOE WRIGHT 10120 9.4 5.7 165 40.2 36.5 110
NORTH FRENCH CREEK 10130 12.6 10.3 122 41.3 35.8 115
OLD BATTLE 10000 20.6 10.6 194 51.7 45.6 113
SAGE CREEK BASIN 7850 .0 .0 100 22.7 16.6 137
SOUTH BRUSH CREEK 8440 .0 .0 100 25.0 24.9 100
TOWER 10500 26.0 23.0 113 53.8 51.6 104
WEBBER SPRINGS 9250 .0 .8 0 40.3 35.8 113
WILLOW CREEK PASS 9540 .3 .2 150 23.7 20.3 117
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Basin wide percent of average 136 112
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 .0 2.9 0 32.0 32.5 98
CASPER MTN. 7900 .0 .8 0 30.5 25.6 119
DEADMAN HILL 10220 1.4 2.8 50 28.8 25.9 111
DEER PARK 9700 6.8 3.7 184 31.0 32.7 95
LAPRELE CREEK 8375 .0 .0 100 21.3 21.5 99
RENO HILL 8400 .0 .5 0 32.2 26.1 123
ROACH 9700 .0 1.0 0 31.7 27.7 114
SAND LAKE 10050 21.4 10.7 200 43.1 35.9 120
SOUTH PASS 9040 .0 1.9 0 27.8 27.4 101
WINDY PEAK 7900 -M .0 * 19.1 18.5 103
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Basin wide percent of average 122 109
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 .0 100 23.1 21.8 106
DIVIDE PEAK 8880 .0 .0 100 32.1 28.5 113
OLD BATTLE 10000 20.6 10.6 194 51.7 45.6 113
SANDSTONE RS 8150 -M .0 * 28.4 25.8 110
WHISKEY PARK 8950 .4 2.3 17 46.6 39.2 119
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Basin wide percent of average 163 113
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .0 .0 100 19.6 19.8 99
BLIND BULL SUM 8650 15.0 7.1 211 24.9 29.2 85
EAST RIM DIVIDE 7930 .0 .0 100 15.6 17.1 91
ELKHART PARK G.S. 9400 .0 .0 100 16.7 20.4 82
GROS VENTRE SUMMIT 8750 .0 .0 100 19.6 19.0 103
GUNSIGHT PASS 9820 .0 -M * 21.2 -M *
KENDALL R.S. 7740 .0 .0 100 18.7 19.7 95
LOOMIS PARK 8240 .0 .0 100 23.3 23.5 99
NEW FORK LAKE 8340 .0 .0 100 13.9 17.1 81
SNIDER BASIN 8060 .0 .0 100 19.7 21.2 93
SPRING CREEK DIVIDE 9000 7.1 2.4 296 32.3 34.2 94
TRIPLE PEAK 8500 .4 .0 39.3 33.2 118
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Basin wide percent of average 233 96
LOWER GREEN RIVER
HAMS FORK 7840 .0 .0 100 15.7 18.0 87
HEWINTA 9519 -M .0 * 23.2 21.3 109
HICKERSON PARK 9145 .0 .0 100 14.5 13.6 107
HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.3 115
INDIAN CREEK 9425 10.4 3.5 297 -M 33.6 *
KELLEY R.S. 8180 .2 .0 24.4 27.3 89
STEEL CREEK PARK 10200 9.2 3.6 256 26.3 24.4 108
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Basin wide percent of average 276 101
UPPER BEAR RIVER
BUG LAKE 7950 .1 .0 23.5 26.2 90
HAYDEN FORK 9212 .2 .0 31.4 29.7 106
KELLEY R.S. 8180 .2 .0 24.4 27.3 89
LILY LAKE 9156 .7 .0 25.4 25.3 100
MONTE CRISTO 8960 .0 2.4 0 33.2 35.3 94
SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.0 88
TRIAL LAKE 9992 -M 4.9 * 32.3 34.8 93
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Basin wide percent of average 0* 94
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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.