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 THURSDAY: FEBRUARY 16 , 2006
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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 17.3 14.5 119 21.4 16.9 127
COTTONWOOD CREEK 7600 23.3 16.2 144 25.7 21.0 122
GRANITE CREEK 6770 17.7 14.3 124 19.9 15.7 127
GRASSY LAKE 7265 30.1 26.4 114 34.0 28.2 121
GROS VENTRE SUMMIT 8750 9.7 10.5 92 10.5 9.8 107
LEWIS LAKE DIVIDE 7850 33.1 26.6 124 32.7 28.4 115
PHILLIPS BENCH 8200 25.7 21.3 121 26.8 22.2 121
SALT RIVER SUMMIT 7600 12.9 10.9 118 15.7 14.3 110
SNAKE RIVER STATION 6920 16.9 14.7 115 21.8 17.7 123
SPRING CREEK DIVIDE 9000 26.1 19.9 131 -M 20.6 *
THUMB DIVIDE 7980 14.2 13.6 104 14.9 14.5 103
TOGWOTEE PASS 9580 19.7 18.9 104 20.5 18.9 108
TWO OCEAN PLATEAU 9240 29.2 21.3 137 23.3 21.1 110
WILLOW CREEK 8450 27.8 22.9 121 31.8 24.6 129
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Basin wide percent of average 121 118
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 17.4 18.3 95 15.1 15.7 96
BLACK BEAR 8170 39.5 29.4 134 -M 30.0 *
CANYON 8090 11.8 10.2 116 14.3 12.0 119
FISHER CREEK 9100 32.1 26.8 120 29.8 27.8 107
MADISON PLATEAU 7750 21.2 18.7 113 24.7 20.0 123
NORTHEAST ENTRANCE 7350 8.0 8.9 90 10.2 9.9 103
PARKER PEAK 9400 14.9 16.5 90 13.7 12.5 110
SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105
THUMB DIVIDE 7980 14.2 13.6 104 14.9 14.5 103
TWO OCEAN PLATEAU 9240 29.2 21.3 137 23.3 21.1 110
WHISKEY CREEK 6800 12.6 12.8 98 18.9 15.7 120
WHITE MILL 8700 20.4 18.3 111 18.3 20.7 88
WOLVERINE 7650 8.8 9.8 90 7.2 10.3 70
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Basin wide percent of average 110 106
WIND RIVER
BURROUGHS CREEK 8750 11.2 11.4 98 12.9 12.6 102
COLD SPRINGS 9630 3.7 6.5 57 6.5 7.8 83
DEER PARK 9700 13.4 13.8 97 15.9 16.3 98
HOBBS PARK 10100 7.9 10.8 73 8.4 9.1 92
LITTLE WARM 9370 6.8 8.6 79 8.8 10.1 87
SOUTH PASS 9040 13.0 12.6 103 14.0 13.7 102
ST. LAWRENCE ALT 8620 2.2 5.2 42 4.8 6.4 75
TOGWOTEE PASS 9580 19.7 18.9 104 20.5 18.9 108
TOWNSEND CREEK 8700 4.7 6.3 75 7.6 8.2 93
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Basin wide percent of average 88 96
BIGHORN BASIN
BALD MTN. 9380 11.7 14.6 80 8.9 13.0 68
BEAR TRAP MEADOW 8200 4.3 3.9 110 6.2 6.0 103
BLACKWATER 9780 17.6 18.4 96 15.8 15.8 100
BONE SPRINGS DIV 9350 10.0 11.8 85 9.6 10.7 90
EVENING STAR 9200 20.0 22.5 89 22.2 19.9 112
GRAVE SPRINGS 8550 7.4 6.6 112 9.5 7.2 132
KIRWIN 9550 7.8 8.4 93 8.3 8.5 98
MARQUETTE 8760 1.7 6.3 27 5.7 6.9 83
MIDDLE POWDER 7760 10.1 8.2 123 8.4 9.0 93
OWL CREEK 8975 2.1 3.7 57 3.8 4.1 93
POWDER RIVER PASS 9480 7.6 8.0 95 8.7 9.2 95
SHELL CREEK 9580 10.0 10.8 93 9.5 10.1 94
SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105
SYLVAN ROAD 7120 8.6 10.3 83 13.2 14.5 91
TIMBER CREEK 7950 1.5 3.9 38 4.1 5.0 82
YOUNTS PEAK 8350 11.7 13.3 88 14.4 12.6 114
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Basin wide percent of average 87 98
SHOSHONE RIVER
BLACKWATER 9780 17.6 18.4 96 15.8 15.8 100
EVENING STAR 9200 20.0 22.5 89 22.2 19.9 112
KIRWIN 9550 7.8 8.4 93 8.3 8.5 98
MARQUETTE 8760 1.7 6.3 27 5.7 6.9 83
SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105
SYLVAN ROAD 7120 8.6 10.3 83 13.2 14.5 91
YOUNTS PEAK 8350 11.7 13.3 88 14.4 12.6 114
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Basin wide percent of average 84 102
POWDER-TONGUE
BEAR TRAP MEADOW 8200 4.3 3.9 110 6.2 6.0 103
BIG GOOSE 7990 4.5 6.9 65 6.6 6.3 105
BONE SPRINGS DIV 9350 10.0 11.8 85 9.6 10.7 90
BURGESS JUNCTION 7880 7.2 8.2 88 8.4 8.8 95
CLOUD PEAK RESERVOIR 9860 9.9 9.0 110 8.7 9.1 96
DOME LAKE 8880 7.7 8.8 88 8.6 9.5 91
GRAVE SPRINGS 8550 7.4 6.6 112 9.5 7.2 132
HANSEN SAWMILL 8360 2.7 4.6 59 4.6 5.8 79
MIDDLE POWDER 7760 10.1 8.2 123 8.4 9.0 93
POWDER RIVER PASS 9480 7.6 8.0 95 8.7 9.2 95
SUCKER CREEK 8880 7.8 8.2 95 10.4 9.7 107
TIE CREEK 6870 3.9 4.5 87 7.9 7.4 107
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Basin wide percent of average 94 99
BELLE FOURCHE
BLIND PARK 6890 6.2 6.0 103 8.3 8.6 97
COLE CANYON 5910 3.9 4.5 87 6.8 -M *
NORTH RAPID CREEK 6130 5.3 6.0 88 6.4 6.9 93
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Basin wide percent of average 93 95
UPPER N. PLATTE RIVER
COLUMBINE 9160 25.8 19.5 132 28.0 18.9 148
DIVIDE PEAK 8860 13.9 14.2 98 16.3 15.5 105
ELK RIVER 8700 16.0 14.3 112 17.0 14.5 117
JOE WRIGHT 10120 17.5 15.6 112 21.4 18.3 117
NORTH FRENCH CREEK 10130 27.4 20.5 134 26.5 18.4 144
OLD BATTLE 9920 29.6 23.2 128 33.4 25.7 130
SAGE CREEK BASIN 7850 9.5 8.3 114 11.8 9.0 131
SOUTH BRUSH CREEK 8440 9.8 8.7 113 13.7 12.2 112
TOWER 10500 42.2 34.1 124 -M 28.9 *
WEBBER SPRINGS 9250 21.3 18.6 115 26.8 20.2 133
WILLOW CREEK PASS 9540 9.6 8.6 112 10.6 9.4 113
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Basin wide percent of average 120 127
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10220 19.7 17.2 115 16.3 16.0 102
CASPER MTN. 7850 13.4 10.2 131 14.4 10.1 143
DEADMAN HILL 10220 12.2 11.8 103 13.7 12.0 114
DEER PARK 9700 13.4 13.8 97 15.9 16.3 98
LAPRELE CREEK 8375 7.9 8.1 98 8.6 9.1 95
RENO HILL 8500 12.7 9.4 135 14.0 10.5 133
ROACH 9700 11.9 12.6 94 14.8 13.4 110
SAND LAKE 10050 25.5 22.4 114 24.3 17.7 137
SOUTH PASS 9040 13.0 12.6 103 14.0 13.7 102
WINDY PEAK 7900 5.4 5.3 102 7.4 7.8 95
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Basin wide percent of average 109 113
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 10.3 8.8 117 13.1 11.2 117
DIVIDE PEAK 8860 13.9 14.2 98 16.3 15.5 105
OLD BATTLE 9920 29.6 23.2 128 33.4 25.7 130
SANDSTONE RS 8150 12.2 11.2 109 17.5 14.2 123
WHISKEY PARK 8950 29.8 21.3 140 29.6 21.5 138
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Basin wide percent of average 122 125
UPPER GREEN RIVER
BIG SANDY OPENING 9080 12.0 10.9 110 12.2 10.2 120
BLIND BULL SUM 8900 23.1 20.8 111 17.8 17.4 102
EAST RIM DIVIDE 7930 8.9 9.8 91 9.6 9.2 104
ELKHART PARK G.S. 9400 11.0 10.0 110 11.9 10.0 119
GROS VENTRE SUMMIT 8750 9.7 10.5 92 10.5 9.8 107
KENDALL R.S. 7740 11.8 11.1 106 12.8 11.2 114
LOOMIS PARK 8240 15.3 12.8 120 16.0 13.4 119
NEW FORK LAKE 8340 8.8 8.7 101 8.6 8.8 98
SNIDER BASIN 8060 14.6 11.2 130 14.1 12.5 113
SPRING CREEK DIVIDE 9000 26.1 19.9 131 -M 20.6 *
TRIPLE PEAK 8500 24.9 18.8 132 25.4 18.6 137
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Basin wide percent of average 115 115
LOWER GREEN RIVER
HAMS FORK 7840 12.4 9.7 128 11.6 9.5 122
HEWINTA 9500 9.0 7.9 114 11.9 10.5 113
HICKERSON PARK 9100 2.9 5.1 57 5.3 5.7 93
HOLE-IN-ROCK 9150 5.2 5.0 104 6.1 5.3 115
INDIAN CREEK 9425 25.4 19.9 128 -M 19.1 *
KELLEY R.S. 8180 16.7 12.3 136 18.3 15.7 117
STEEL CREEK PARK 10100 12.2 11.0 111 13.5 11.6 116
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Basin wide percent of average 118 114
UPPER BEAR RIVER
BUG LAKE 7950 20.3 15.2 134 17.6 14.7 120
HAYDEN FORK 9100 16.3 11.5 142 19.3 15.5 125
KELLEY R.S. 8180 16.7 12.3 136 18.3 15.7 117
LILY LAKE 9050 11.6 9.6 121 13.0 13.0 100
MONTE CRISTO 8960 25.8 21.6 119 24.8 19.1 130
SALT RIVER SUMMIT 7600 12.9 10.9 118 15.7 14.3 110
TRIAL LAKE 9960 23.3 18.2 128 22.8 18.3 125
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Basin wide percent of average 128 119
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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 1971-2000.
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.