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: JANUARY 11 , 2005
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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 8.2 9.7 85 9.7 11.9 82
COTTONWOOD CREEK 7600 9.4 11.2 84 11.8 15.2 78
GRANITE CREEK 6770 8.4 9.2 91 11.0 10.9 101
GRASSY LAKE 7265 14.0 17.4 80 15.4 19.8 78
GROS VENTRE SUMMIT 8750 7.8 7.8 100 7.5 7.1 106
LEWIS LAKE DIVIDE 7850 14.4 17.4 83 15.0 19.9 75
PHILLIPS BENCH 8200 14.2 14.5 98 14.7 15.4 95
SALT RIVER SUMMIT 7600 7.8 6.6 118 10.5 10.2 103
SNAKE RIVER STATION 6920 7.0 9.3 75 9.2 12.5 74
SPRING CREEK DIVIDE 9000 14.7 14.1 104 14.5 14.7 99
THUMB DIVIDE 7980 9.1 9.0 101 9.0 10.3 87
TOGWOTEE PASS 9580 10.3 13.4 77 10.4 13.5 77
TWO OCEAN PLATEAU 9240 14.9 15.3 97 12.1 15.1 80
WILLOW CREEK 8450 13.6 16.2 84 16.0 17.5 91
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Basin wide percent of average 90 86
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 8.8 13.2 67 7.7 11.3 68
BLACK BEAR 8170 21.5 20.2 106 19.3 20.3 95
CANYON 8090 5.6 7.1 79 7.0 8.8 80
FISHER CREEK 9100 14.5 19.1 76 -M 19.5 *
MADISON PLATEAU 7750 -M 13.0 * -M 14.0 *
NORTHEAST ENTRANCE 7350 3.0 6.0 50 4.4 7.2 61
PARKER PEAK 9400 9.6 12.0 80 7.8 9.1 86
SYLVAN LAKE 8420 9.2 12.1 76 10.6 12.2 87
THUMB DIVIDE 7980 9.1 9.0 101 9.0 10.3 87
TWO OCEAN PLATEAU 9240 14.9 15.3 97 12.1 15.1 80
WHISKEY CREEK 6800 8.8 8.7 101 11.6 11.2 104
WHITE MILL 8700 9.4 13.0 72 9.2 14.6 63
WOLVERINE 7650 4.5 6.8 66 4.6 7.7 60
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Basin wide percent of average 83 81
WIND RIVER
BURROUGHS CREEK 8750 5.9 8.1 73 6.1 9.1 67
COLD SPRINGS 9630 5.4 5.1 106 5.8 6.2 94
DEER PARK 9700 16.2 8.4 193 17.8 12.1 147
HOBBS PARK 10100 10.7 8.5 126 9.5 7.0 136
LITTLE WARM 9370 5.3 6.2 85 5.8 7.5 77
SOUTH PASS 9040 13.8 9.3 148 14.5 10.2 142
ST. LAWRENCE ALT 8620 5.0 4.2 119 5.9 5.0 118
TOGWOTEE PASS 9580 10.3 13.4 77 10.4 13.5 77
TOWNSEND CREEK 8700 7.0 4.8 146 9.7 6.4 152
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Basin wide percent of average 117 111
BIGHORN BASIN
BALD MTN. 9380 9.2 11.1 83 8.6 9.6 90
BEAR TRAP MEADOW 8200 2.4 2.9 83 4.6 4.8 96
BLACKWATER 9780 9.1 13.5 67 8.1 11.9 68
BONE SPRINGS DIV 9350 8.4 8.9 94 8.1 8.0 101
EVENING STAR 9200 10.8 15.9 68 11.8 14.5 81
GRAVE SPRINGS 8550 3.6 4.6 78 5.3 5.4 98
KIRWIN 9550 4.5 6.6 68 4.9 6.4 77
MARQUETTE 8760 2.2 5.3 42 3.8 5.6 68
MIDDLE POWDER 7760 4.0 6.1 66 5.0 7.3 68
OWL CREEK 8975 2.2 2.9 76 2.5 3.2 78
POWDER RIVER PASS 9480 7.0 5.9 119 7.8 6.7 116
SHELL CREEK 9580 8.1 8.2 99 7.1 7.5 95
SYLVAN LAKE 8420 9.2 12.1 76 10.6 12.2 87
SYLVAN ROAD 7120 5.3 7.2 74 7.7 11.1 69
TIMBER CREEK 7950 1.0 3.2 31 1.9 4.0 48
YOUNTS PEAK 8350 6.2 9.3 67 6.6 9.2 72
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Basin wide percent of average 75 82
SHOSHONE RIVER
BLACKWATER 9780 9.1 13.5 67 8.1 11.9 68
EVENING STAR 9200 10.8 15.9 68 11.8 14.5 81
KIRWIN 9550 4.5 6.6 68 4.9 6.4 77
MARQUETTE 8760 2.2 5.3 42 3.8 5.6 68
SYLVAN LAKE 8420 9.2 12.1 76 10.6 12.2 87
SYLVAN ROAD 7120 5.3 7.2 74 7.7 11.1 69
YOUNTS PEAK 8350 6.2 9.3 67 6.6 9.2 72
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Basin wide percent of average 68 75
POWDER-TONGUE
BEAR TRAP MEADOW 8200 2.4 2.9 83 4.6 4.8 96
BIG GOOSE 7990 3.5 5.0 70 4.7 4.9 96
BONE SPRINGS DIV 9350 8.4 8.9 94 8.1 8.0 101
BURGESS JUNCTION 7880 -M 6.1 * -M 6.7 *
CLOUD PEAK RESERVOIR 9860 7.8 6.6 118 6.4 7.0 91
DOME LAKE 8880 5.7 6.7 85 6.6 7.5 88
GRAVE SPRINGS 8550 3.6 4.6 78 5.3 5.4 98
HANSEN SAWMILL 8360 3.2 3.6 89 4.3 4.6 93
MIDDLE POWDER 7760 4.0 6.1 66 5.0 7.3 68
POWDER RIVER PASS 9480 7.0 5.9 119 7.8 6.7 116
SUCKER CREEK 8880 5.8 5.9 98 6.8 7.4 92
TIE CREEK 6870 .8 3.2 25 4.3 5.6 77
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Basin wide percent of average 88 92
BELLE FOURCHE
BLIND PARK 6890 2.9 4.2 69 4.9 6.7 73
COLE CANYON 5910 1.4 3.4 41 4.0 -M *
NORTH RAPID CREEK 6130 2.1 3.8 55 3.8 5.6 68
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Basin wide percent of average 56 71
UPPER N. PLATTE RIVER
COLUMBINE 9160 11.7 12.0 98 13.0 13.2 98
DIVIDE PEAK 8860 13.3 10.6 125 -M 11.2 *
ELK RIVER 8700 11.9 8.8 135 12.8 10.1 127
JOE WRIGHT 10120 11.5 11.1 104 11.7 13.3 88
NORTH FRENCH CREEK 10130 13.9 15.1 92 13.5 13.4 101
OLD BATTLE 9920 21.8 16.3 134 23.8 18.1 131
SAGE CREEK BASIN 7850 9.8 6.1 161 11.8 6.5 182
SOUTH BRUSH CREEK 8440 5.2 5.8 90 7.0 8.8 80
TOWER 10500 21.7 23.6 92 21.7 20.3 107
WEBBER SPRINGS 9250 15.5 12.9 120 17.9 14.6 123
WILLOW CREEK PASS 9540 8.7 6.2 140 8.7 7.0 124
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Basin wide percent of average 113 113
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10220 10.5 12.3 85 10.0 11.5 87
CASPER MTN. 7850 6.1 7.6 80 7.3 7.7 95
DEADMAN HILL 10220 9.5 8.6 110 7.2 8.8 82
DEER PARK 9700 16.2 8.4 193 17.8 12.1 147
LAPRELE CREEK 8375 3.8 6.0 63 5.9 6.8 87
RENO HILL 8500 4.8 7.2 67 5.5 7.9 70
ROACH 9700 8.1 8.5 95 10.4 9.5 109
SAND LAKE 10050 12.8 16.5 78 11.5 13.0 88
SOUTH PASS 9040 13.8 9.3 148 14.5 10.2 142
WINDY PEAK 7900 -M 3.8 * -M 6.0 *
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Basin wide percent of average 101 103
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 6.8 5.3 128 9.6 8.0 120
DIVIDE PEAK 8860 13.3 10.6 125 -M 11.2 *
OLD BATTLE 9920 21.8 16.3 134 23.8 18.1 131
SANDSTONE RS 8150 6.9 6.7 103 12.3 10.1 122
WHISKEY PARK 8950 14.9 13.5 110 16.1 15.2 106
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Basin wide percent of average 122 120
UPPER GREEN RIVER
BIG SANDY OPENING 9080 10.8 7.8 138 10.6 7.4 143
BLIND BULL SUM 8900 11.7 15.0 78 10.6 12.5 85
EAST RIM DIVIDE 7930 5.1 6.8 75 6.2 6.5 95
ELKHART PARK G.S. 9400 7.1 7.1 100 8.5 7.4 115
GROS VENTRE SUMMIT 8750 7.8 7.8 100 7.5 7.1 106
KENDALL R.S. 7740 7.2 7.8 92 8.1 7.8 104
LOOMIS PARK 8240 8.4 9.1 92 9.3 9.4 99
NEW FORK LAKE 8340 6.3 6.1 103 6.0 6.5 92
SNIDER BASIN 8060 9.1 7.8 117 9.8 8.9 110
SPRING CREEK DIVIDE 9000 14.7 14.1 104 14.5 14.7 99
TRIPLE PEAK 8500 11.0 13.5 81 12.2 12.8 95
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Basin wide percent of average 96 102
LOWER GREEN RIVER
HAMS FORK 7840 7.7 6.4 120 8.8 6.6 133
HEWINTA 9500 5.2 4.9 106 7.4 7.7 96
HICKERSON PARK 9100 5.4 3.4 159 7.8 4.5 173
HOLE-IN-ROCK 9150 4.7 3.1 152 7.1 4.2 169
INDIAN CREEK 9425 17.5 14.2 123 15.7 13.7 115
KELLEY R.S. 8180 10.8 8.6 126 12.5 11.3 111
STEEL CREEK PARK 10100 9.5 7.5 127 10.0 8.4 119
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Basin wide percent of average 126 123
UPPER BEAR RIVER
BUG LAKE 7950 13.1 9.9 132 14.4 10.4 138
HAYDEN FORK 9100 12.1 7.4 164 16.8 11.2 150
KELLEY R.S. 8180 10.8 8.6 126 12.5 11.3 111
LILY LAKE 9050 8.9 6.4 139 11.8 9.5 124
MONTE CRISTO 8960 19.8 13.3 149 18.6 13.6 137
SALT RIVER SUMMIT 7600 7.8 6.6 118 10.5 10.2 103
TRIAL LAKE 9960 19.6 12.1 162 20.1 12.7 158
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Basin wide percent of average 143 133
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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.