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 FRIDAY: FEBRUARY 7 , 2014
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
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WYOMING
SNAKE RIVER
BASE CAMP 7030 12.2 11.1 110 13.6 14.5 94
BLACK BEAR 8170 22.3 24.3 92 21.5 25.8 83
BLIND BULL SUM 8650 16.2 14.7 110 11.8 13.3 89
COTTONWOOD CREEK 7670 15.2 13.6 112 17.0 16.4 104
EAST RIM DIVIDE 7930 8.4 6.9 122 7.2 8.0 90
GRAND TARGHEE 9260 28.1 24.4 115 20.4 21.6 94
GRANITE CREEK 6770 9.9 11.2 88 11.0 14.1 78
GRASSY LAKE 7265 20.2 21.4 94 21.0 24.9 84
GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.4 8.5 87
GUNSIGHT PASS 9820 9.8 8.6 114 9.4 9.2 102
LEWIS LAKE DIVIDE 7850 17.2 20.9 82 19.9 23.9 83
PHILLIPS BENCH 8200 15.1 16.4 92 16.0 18.9 85
SALT RIVER SUMMIT 7760 8.3 8.3 100 10.2 11.0 93
SNAKE RIVER STATION 6920 10.6 11.7 91 13.4 16.0 84
SPRING CREEK DIVIDE 9000 16.1 15.3 105 16.0 16.0 100
THUMB DIVIDE 7980 8.0 9.7 82 8.4 12.6 67
TOGWOTEE PASS 9580 16.6 15.5 107 16.5 16.4 101
TWO OCEAN PLATEAU 9240 20.4 18.5 110 16.3 17.9 91
WILLOW CREEK 8380 18.8 18.1 104 21.8 22.4 97
YOUNTS PEAK 8350 -M 10.1 * -M 10.8 *
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Basin Index (%) 101 90
MADISON-GALLATIN
BLACK BEAR 8170 22.3 24.3 92 21.5 25.8 83
CANYON 7870 8.3 8.5 98 9.7 11.1 87
MADISON PLATEAU 7750 12.8 14.6 88 13.6 18.0 76
WEST YELLOWSTONE 6700 7.4 7.2 103 8.6 10.0 86
WHISKEY CREEK 6800 9.2 9.8 94 11.3 13.7 82
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Basin Index (%) 93 82
YELLOWSTONE
BEARTOOTH LAKE 9360 15.4 14.4 107 13.7 13.3 103
BURNT MTN 5880 6.0 2.7 222 12.2 8.2 149
CANYON 7870 8.3 8.5 98 9.7 11.1 87
COLE CREEK 7850 12.7 8.7 146 9.1 7.9 115
EVENING STAR 9200 21.4 16.7 128 21.9 18.6 118
FISHER CREEK 9100 23.2 21.5 108 20.3 21.6 94
NORTHEAST ENTRANCE 7350 7.6 6.7 113 8.1 8.6 94
PARKER PEAK 9400 17.0 13.5 126 15.6 11.8 132
SYLVAN LAKE 8420 13.9 13.5 103 15.9 15.4 103
THUMB DIVIDE 7980 8.0 9.7 82 8.4 12.6 67
TWO OCEAN PLATEAU 9240 20.4 18.5 110 16.3 17.9 91
WHITE MILL 8700 17.5 15.2 115 14.8 16.0 92
WOLVERINE 7650 9.8 7.2 136 8.0 8.5 94
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Basin Index (%) 116 101
WIND RIVER
BURROUGHS CREEK 8750 -M 8.8 * -M 10.8 *
CASTLE CREEK 8400 4.8 -M * 6.4 -M *
COLD SPRINGS 9630 6.1 4.8 127 8.2 6.4 128
DEER PARK 9700 5.9 9.5 62 8.8 12.8 69
HOBBS PARK 10100 8.2 8.0 102 7.3 8.1 90
KIRWIN 9550 9.1 6.0 152 8.1 7.4 109
LITTLE WARM 9370 7.7 6.6 117 9.1 8.5 107
OWL CREEK 8975 4.3 3.1 139 4.1 3.7 111
SOUTH PASS 9040 7.6 9.7 78 7.2 11.3 64
ST. LAWRENCE ALT 8620 33.2 4.2 790 6.0 5.5 109
TOGWOTEE PASS 9580 16.6 15.5 107 16.5 16.4 101
TOWNSEND CREEK 8700 4.1 5.5 75 5.1 7.3 70
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Basin Index (%) 141 92
BIGHORN BASIN
BALD MTN. 9380 15.6 11.2 139 11.7 11.1 105
BEAR TRAP MEADOW 8200 6.9 3.6 192 7.3 5.3 138
BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 10.0 92
GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.7 127
KIRWIN 9550 9.1 6.0 152 8.1 7.4 109
MARQUETTE 8760 5.5 -M * 7.4 -M *
MIDDLE POWDER 7760 10.8 6.6 164 9.3 7.6 122
OWL CREEK 8975 4.3 3.1 139 4.1 3.7 111
POWDER RIVER PASS 9480 9.8 6.9 142 10.1 8.1 125
SHELL CREEK 9580 11.2 9.4 119 9.6 9.2 104
TIMBER CREEK 7950 3.9 3.1 126 5.5 4.6 120
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Basin Index (%) 141 113
SHOSHONE RIVER
BLACKWATER 9780 17.3 15.0 115 14.6 13.7 107
EVENING STAR 9200 21.4 16.7 128 21.9 18.6 118
MARQUETTE 8760 5.5 -M * 7.4 -M *
SYLVAN ROAD 7120 8.6 8.0 108 12.6 12.2 103
YOUNTS PEAK 8350 -M 10.1 * -M 10.8 *
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Basin Index (%) 119 110
POWDER RIVER
BEAR TRAP MEADOW 8200 6.9 3.6 192 7.3 5.3 138
CLOUD PEAK RESERVOIR 9860 11.7 8.7 134 10.2 8.2 124
GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.7 127
HANSEN SAWMILL 8360 5.0 4.0 125 7.1 5.2 137
MIDDLE POWDER 7760 10.8 6.6 164 9.3 7.6 122
POWDER RIVER PASS 9480 9.8 6.9 142 10.1 8.1 125
SOLDIER PARK 8720 5.2 -M * 6.6 -M *
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Basin Index (%) 149 128
TONGUE RIVER
BIG GOOSE 7990 5.8 5.1 114 8.1 6.8 119
BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 10.0 92
BURGESS JUNCTION 7880 8.6 7.0 123 9.7 7.8 124
DOME LAKE 8880 6.6 7.2 92 7.1 8.7 82
LITTLE GOOSE 8870 6.9 -M * 9.1 -M *
SUCKER CREEK 8880 10.1 7.4 136 11.2 9.0 124
TIE CREEK 6870 4.5 3.5 129 8.9 7.3 122
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Basin Index (%) 120 109
BELLE FOURCHE
COLE CANYON 5910 4.8 3.6 133 11.3 6.0 188
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Basin Index (%) 133 188
CHEYENNE RIVER BASIN
BLIND PARK 6890 6.7 5.1 131 13.5 8.1 167
NORTH RAPID CREEK 6130 6.5 4.6 141 12.0 6.5 185
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Basin Index (%) 136 175
UPPER N. PLATTE
ARAPAHO RIDGE 10960 15.9 13.8 115 15.7 14.8 106
BLACKHALL MTN 9820 22.0 -M * 22.1 -M *
COLUMBINE 9160 20.5 15.5 132 18.1 17.0 106
DIVIDE PEAK 8880 12.2 13.1 93 15.4 14.2 108
JOE WRIGHT 10120 12.0 13.3 90 19.0 16.6 114
LAPRELE CREEK 8375 4.9 5.7 86 7.0 7.8 90
MED BOW 10500 18.3 -M * 26.7 -M *
NORTH FRENCH CREEK 10130 -M 16.7 * -M 17.4 *
NEVER SUMMER 10280 13.9 13.0 107 11.9 -M *
OLD BATTLE 10000 20.6 20.1 102 23.1 23.3 99
RAWAH 9020 9.2 6.6 139 11.8 9.4 126
SAGE CREEK BASIN 7850 7.2 8.9 81 8.6 10.3 83
SAND LAKE 10050 20.2 17.2 117 19.6 15.7 125
SOUTH BRUSH CREEK 8440 8.0 7.6 105 10.6 9.9 107
TOWER 10500 31.0 29.1 107 27.3 26.5 103
WEBBER SPRINGS 9250 15.1 14.9 101 17.9 17.6 102
WILLOW CREEK PASS 9540 8.5 8.0 106 9.5 8.6 110
ZIRKEL 9340 22.0 19.3 114 20.9 19.8 106
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Basin Index (%) 107 106
SWEETWATER
DEER PARK 9700 5.9 9.5 62 8.8 12.8 69
LARSEN CREEK 9000 5.0 -M * 7.4 -M *
SOUTH PASS 9040 7.6 9.7 78 7.2 11.3 64
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Basin Index (%) 70 66
LOWER N. PLATTE
CASPER MTN. 7900 -M 8.0 * -M 9.4 *
LAPRELE CREEK 8375 4.9 5.7 86 7.0 7.8 90
RENO HILL 8400 11.2 8.1 138 12.7 9.3 137
WINDY PEAK 7900 4.4 4.4 100 7.0 6.6 106
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Basin Index (%) 113 113
LARAMIE RIVER
BROOKLYN LAKE 10240 17.5 12.3 142 15.9 13.4 119
CINNABAR PARK 9574 15.1 13.8 109 18.2 16.8 108
CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118
DEADMAN HILL 10220 14.5 10.6 137 14.1 10.6 133
RAWAH 9020 9.2 6.6 139 11.8 9.4 126
ROACH 9700 11.4 10.5 109 14.0 12.3 114
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Basin Index (%) 124 118
S. PLATTE
BLACK MOUNTAIN 8920 7.9 -M * 9.4 -M *
CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118
DEADMAN HILL 10220 14.5 10.6 137 14.1 10.6 133
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Basin Index (%) 126 127
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 8.1 7.4 109 12.4 10.0 124
DIVIDE PEAK 8880 12.2 13.1 93 15.4 14.2 108
ELK RIVER 8700 13.5 12.1 112 14.8 13.3 111
LITTLE SNAKE RIVER 8915 18.7 16.5 113 21.1 21.6 98
OLD BATTLE 10000 20.6 20.1 102 23.1 23.3 99
SAGE CREEK BASIN 7850 7.2 8.9 81 8.6 10.3 83
SANDSTONE RS 8150 8.7 8.5 102 13.1 12.4 106
WHISKEY PARK 8950 25.4 17.0 149 26.5 18.6 142
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Basin Index (%) 110 109
UPPER GREEN RIVER
BIG SANDY OPENING 9080 7.3 8.6 85 6.9 8.6 80
BLIND BULL SUM 8650 16.2 14.7 110 11.8 13.3 89
EAST RIM DIVIDE 7930 8.4 6.9 122 7.2 8.0 90
ELKHART PARK G.S. 9400 8.8 7.8 113 8.2 8.8 93
GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.4 8.5 87
GUNSIGHT PASS 9820 9.8 8.6 114 9.4 9.2 102
KENDALL R.S. 7740 8.9 8.0 111 9.7 9.6 101
LOOMIS PARK 8240 10.3 9.9 104 11.7 11.7 100
NEW FORK LAKE 8340 7.0 6.9 101 6.1 7.3 84
POCKET CREEK 9360 5.8 -M * 6.6 -M *
SNIDER BASIN 8060 9.6 8.1 119 9.6 9.6 100
SPRING CREEK DIVIDE 9000 16.1 15.3 105 16.0 16.0 100
TRIPLE PEAK 8500 15.4 13.8 112 17.3 16.6 104
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Basin Index (%) 107 95
LOWER GREEN RIVER
BLACKS FORK JCT 8870 4.2 -M * 7.5 -M *
BUCK PASTURE 9700 7.0 -M * 9.1 -M *
EF BLACKS FORK GS 9360 3.1 -M * 6.4 -M *
HAMS FORK 7840 6.9 7.6 91 7.0 7.6 92
HEWINTA 9519 4.5 6.2 73 7.9 9.0 88
HICKERSON PARK 9145 4.9 4.0 122 6.2 6.4 97
HOLE-IN-ROCK 9150 4.0 4.2 95 5.9 5.9 100
INDIAN CREEK 9425 13.3 15.1 88 12.2 14.6 84
KELLEY R.S. 8180 9.0 9.4 96 10.8 12.0 90
SPIRIT LK 10235 6.1 -M * 9.3 -M *
STEEL CREEK PARK 10200 7.6 9.1 84 9.7 10.3 94
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Basin Index (%) 90 91
UPPER BEAR RIVER
BEAR RIVER RS 8777 4.7 -M * 7.3 -M *
BUG LAKE 7950 11.0 11.8 93 10.5 12.9 81
BURTS MILLER RANCH 8000 4.1 -M * 4.4 -M *
CHALK CREEK #1 8993 12.0 13.8 87 12.9 16.3 79
HAYDEN FORK 9212 7.4 9.1 81 11.3 13.6 83
KELLEY R.S. 8180 9.0 9.4 96 10.8 12.0 90
LILY LAKE 9156 7.7 7.6 101 9.3 11.1 84
MONTE CRISTO 8960 13.0 16.6 78 12.8 16.9 76
SALT RIVER SUMMIT 7760 8.3 8.3 100 10.2 11.0 93
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Basin Index (%) 89 83
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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.
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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.