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: NOVEMBER 15 , 2007
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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 1.3 1.9 68 6.5 3.6 181
COTTONWOOD CREEK 7670 2.1 2.2 95 5.6 5.0 112
GRANITE CREEK 6770 .9 1.5 60 5.1 3.1 165
GRASSY LAKE 7265 3.2 3.7 86 8.7 5.8 150
GROS VENTRE SUMMIT 8750 3.2 2.4 133 5.0 2.9 172
LEWIS LAKE DIVIDE 7850 3.3 3.6 92 7.9 5.7 139
PHILLIPS BENCH 8200 3.0 3.3 91 7.1 4.2 169
SALT RIVER SUMMIT 7760 .2 1.1 18 2.7 3.1 87
SNAKE RIVER STATION 6920 .7 1.8 39 6.5 3.8 171
SPRING CREEK DIVIDE 9000 2.3 3.4 68 3.9 4.5 87
THUMB DIVIDE 7980 1.2 2.0 60 5.3 3.4 156
TOGWOTEE PASS 9580 5.8 4.4 132 7.0 4.6 152
TWO OCEAN PLATEAU 9240 7.9 5.2 152 8.0 5.1 157
WILLOW CREEK 8380 3.0 4.1 73 7.9 6.0 132
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Basin wide percent of average 94 143
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9360 6.1 4.6 133 5.8 3.5 166
BLACK BEAR 8170 5.1 5.3 96 7.9 6.3 125
CANYON 7870 1.8 1.7 106 4.8 3.1 155
FISHER CREEK 9100 8.1 5.1 159 8.1 5.8 140
MADISON PLATEAU 7750 2.3 3.2 72 5.8 4.2 138
NORTHEAST ENTRANCE 7350 .0 1.0 0 3.8 2.5 152
PARKER PEAK 9400 5.6 4.3 130 6.5 3.5 186
SYLVAN LAKE 8420 2.8 3.8 74 6.9 4.3 160
THUMB DIVIDE 7980 1.2 2.0 60 5.3 3.4 156
TWO OCEAN PLATEAU 9240 7.9 5.2 152 8.0 5.1 157
WHISKEY CREEK 6800 .3 1.8 17 5.0 3.7 135
WHITE MILL 8700 5.1 3.8 134 6.2 4.6 135
WOLVERINE 7650 .3 1.4 21 4.2 2.9 145
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Basin wide percent of average 108 148
WIND RIVER
BURROUGHS CREEK 8750 3.2 2.1 152 5.4 2.9 186
COLD SPRINGS 9630 .0 2.0 0 2.8 3.0 93
DEER PARK 9700 1.3 3.7 35 3.9 4.6 85
HOBBS PARK 10100 1.7 3.6 47 3.6 3.3 109
LITTLE WARM 9370 1.5 2.1 71 3.8 3.0 127
SOUTH PASS 9040 .5 3.0 17 3.1 3.8 82
ST. LAWRENCE ALT 8620 .4 1.6 25 1.7 2.6 65
TOGWOTEE PASS 9580 5.8 4.4 132 7.0 4.6 152
TOWNSEND CREEK 8700 .2 1.9 11 2.8 3.2 87
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Basin wide percent of average 60 110
BIGHORN BASIN
BALD MTN. 9380 3.5 4.3 81 4.3 3.7 116
BEAR TRAP MEADOW 8200 1.0 1.1 91 2.5 2.6 96
BLACKWATER 9780 6.9 5.0 138 6.4 4.4 145
BONE SPRINGS DIV 9350 3.2 4.1 78 4.6 3.6 128
EVENING STAR 9200 5.6 5.1 110 8.2 4.9 167
GRAVE SPRINGS 8550 1.6 2.0 80 3.3 2.7 122
KIRWIN 9550 4.4 2.9 152 6.0 2.9 207
MARQUETTE 8760 .1 2.7 4 3.9 3.2 122
MIDDLE POWDER 7760 1.4 2.4 58 3.0 3.8 79
OWL CREEK 8975 1.3 1.4 93 3.2 1.7 188
POWDER RIVER PASS 9480 2.2 2.3 96 4.1 2.9 141
SHELL CREEK 9580 4.8 3.9 123 5.5 3.1 177
SYLVAN LAKE 8420 2.8 3.8 74 6.9 4.3 160
SYLVAN ROAD 7120 .9 1.7 53 6.2 3.8 163
TIMBER CREEK 7950 .4 1.7 24 4.0 2.3 174
YOUNTS PEAK 8350 3.7 2.7 137 6.4 3.2 200
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Basin wide percent of average 93 148
SHOSHONE RIVER
BLACKWATER 9780 6.9 5.0 138 6.4 4.4 145
EVENING STAR 9200 5.6 5.1 110 8.2 4.9 167
KIRWIN 9550 4.4 2.9 152 6.0 2.9 207
MARQUETTE 8760 .1 2.7 4 3.9 3.2 122
SYLVAN LAKE 8420 2.8 3.8 74 6.9 4.3 160
SYLVAN ROAD 7120 .9 1.7 53 6.2 3.8 163
YOUNTS PEAK 8350 3.7 2.7 137 6.4 3.2 200
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Basin wide percent of average 102 165
POWDER-TONGUE
BEAR TRAP MEADOW 8200 1.0 1.1 91 2.5 2.6 96
BIG GOOSE 7990 1.5 1.4 107 4.9 2.6 188
BONE SPRINGS DIV 9350 3.2 4.1 78 4.6 3.6 128
BURGESS JUNCTION 7880 1.8 2.6 69 4.3 3.2 134
CLOUD PEAK RESERVOIR 9860 3.4 2.7 126 6.2 3.8 163
DOME LAKE 8880 2.3 3.2 72 5.1 3.6 142
GRAVE SPRINGS 8550 1.6 2.0 80 3.3 2.7 122
HANSEN SAWMILL 8360 -M 1.3 * -M 2.5 *
MIDDLE POWDER 7760 1.4 2.4 58 3.0 3.8 79
POWDER RIVER PASS 9480 2.2 2.3 96 4.1 2.9 141
SUCKER CREEK 8880 2.4 2.3 104 4.5 3.4 132
TIE CREEK 6870 .0 1.2 0 3.3 3.1 106
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Basin wide percent of average 82 130
BELLE FOURCHE
BLIND PARK 6890 .0 1.5 0 1.7 3.5 49
COLE CANYON 5910 .0 1.5 0 1.3 2.5 52
NORTH RAPID CREEK 6130 .0 1.0 0 1.4 3.2 44
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Basin wide percent of average 0 48
UPPER N. PLATTE RIVER
COLUMBINE 9160 .1 2.5 4 4.0 4.0 100
DIVIDE PEAK 8880 2.3 3.1 74 3.4 4.2 81
ELK RIVER 8700 .2 1.5 13 3.2 3.4 94
JOE WRIGHT 10120 3.2 4.4 73 5.8 5.3 109
NORTH FRENCH CREEK 10130 3.5 5.1 69 5.0 5.2 96
OLD BATTLE 10000 3.2 5.5 58 4.9 5.8 84
SAGE CREEK BASIN 7850 .0 1.8 0 2.9 2.4 121
SOUTH BRUSH CREEK 8440 .9 1.6 56 3.9 3.8 103
TOWER 10500 3.5 7.4 47 5.3 6.7 79
WEBBER SPRINGS 9250 1.6 3.8 42 4.1 5.0 82
WILLOW CREEK PASS 9540 2.5 2.3 109 3.5 3.1 113
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Basin wide percent of average 54 94
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 1.7 3.7 46 3.4 4.1 83
CASPER MTN. 7900 1.1 3.0 37 3.9 3.8 103
DEADMAN HILL 10220 3.1 3.5 89 3.6 3.7 97
DEER PARK 9700 1.3 3.7 35 3.9 4.6 85
LAPRELE CREEK 8375 .0 2.0 0 2.4 3.0 80
RENO HILL 8400 2.0 2.8 71 4.1 3.8 108
ROACH 9700 1.7 2.5 68 3.4 3.6 94
SAND LAKE 10050 4.5 5.8 78 5.3 4.8 110
SOUTH PASS 9040 .5 3.0 17 3.1 3.8 82
WINDY PEAK 7900 .4 1.3 31 1.9 2.6 73
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Basin wide percent of average 52 93
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 1.1 0 2.3 3.0 77
DIVIDE PEAK 8880 2.3 3.1 74 3.4 4.2 81
OLD BATTLE 10000 3.2 5.5 58 4.9 5.8 84
SANDSTONE RS 8150 .5 1.2 42 2.6 3.7 70
WHISKEY PARK 8950 4.6 3.5 131 4.6 4.8 96
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Basin wide percent of average 74 83
UPPER GREEN RIVER
BIG SANDY OPENING 9080 1.7 2.3 74 2.4 2.9 83
BLIND BULL SUM 8650 2.9 3.7 78 3.9 3.8 103
EAST RIM DIVIDE 7930 .1 1.6 6 2.3 2.3 100
ELKHART PARK G.S. 9400 1.5 1.9 79 2.9 3.0 97
GROS VENTRE SUMMIT 8750 3.2 2.4 133 5.0 2.9 172
KENDALL R.S. 7740 .8 1.6 50 3.0 2.6 115
LOOMIS PARK 8240 1.0 2.2 45 3.0 3.1 97
NEW FORK LAKE 8340 .8 1.4 57 2.2 2.6 85
SNIDER BASIN 8060 .4 1.8 22 2.1 2.8 75
SPRING CREEK DIVIDE 9000 2.3 3.4 68 3.9 4.5 87
TRIPLE PEAK 8500 3.3 3.1 106 5.3 3.9 136
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Basin wide percent of average 71 105
LOWER GREEN RIVER
HAMS FORK 7840 .0 1.1 0 1.8 2.3 78
HEWINTA 9519 -M 1.4 * 4.6 3.5 131
HICKERSON PARK 9145 .1 .9 11 2.9 2.5 116
HOLE-IN-ROCK 9150 .1 .9 11 3.6 2.3 157
INDIAN CREEK 9425 2.0 3.5 57 3.2 4.3 74
KELLEY R.S. 8180 .6 2.2 27 3.1 3.6 86
STEEL CREEK PARK 10200 1.5 2.6 58 5.0 3.6 139
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Basin wide percent of average 38 110
UPPER BEAR RIVER
BUG LAKE 7950 -M 2.3 * 1.4 3.7 38
HAYDEN FORK 9212 .3 1.7 18 3.8 4.0 95
KELLEY R.S. 8180 .6 2.2 27 3.1 3.6 86
LILY LAKE 9156 .2 1.7 12 3.9 3.8 103
MONTE CRISTO 8960 .8 2.9 28 3.7 4.5 82
SALT RIVER SUMMIT 7760 .2 1.1 18 2.7 3.1 87
TRIAL LAKE 9992 1.2 3.4 35 3.2 4.4 73
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Basin wide percent of average 25 80
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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.