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 SUNDAY: FEBRUARY 9 , 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 13.6 11.4 119 14.6 14.8 99
BLACK BEAR 8170 23.4 25.2 93 22.7 26.2 87
BLIND BULL SUM 8650 19.0 15.0 127 13.6 13.6 100
COTTONWOOD CREEK 7670 17.8 13.7 130 19.5 16.7 117
EAST RIM DIVIDE 7930 10.0 7.0 143 8.8 8.1 109
GRAND TARGHEE 9260 29.7 24.8 120 21.5 21.8 99
GRANITE CREEK 6770 11.9 11.5 103 12.9 14.3 90
GRASSY LAKE 7265 22.0 21.9 100 22.8 25.3 90
GROS VENTRE SUMMIT 8750 8.8 8.7 101 8.2 8.6 95
GUNSIGHT PASS 9820 10.8 8.7 124 10.4 9.5 109
LEWIS LAKE DIVIDE 7850 19.0 21.5 88 21.7 24.5 89
PHILLIPS BENCH 8200 17.6 16.7 105 18.4 19.3 95
SALT RIVER SUMMIT 7760 10.2 8.4 121 12.0 11.3 106
SNAKE RIVER STATION 6920 11.7 12.0 98 14.6 16.3 90
SPRING CREEK DIVIDE 9000 18.7 15.6 120 18.4 16.3 113
THUMB DIVIDE 7980 9.0 9.9 91 9.4 12.7 74
TOGWOTEE PASS 9580 18.2 15.6 117 18.0 16.7 108
TWO OCEAN PLATEAU 9240 21.8 18.8 116 17.4 18.3 95
WILLOW CREEK 8380 21.3 18.1 118 24.0 22.7 106
YOUNTS PEAK 8350 -M 10.2 * -M 11.0 *
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Basin Index (%) 111 97
MADISON-GALLATIN
BLACK BEAR 8170 23.4 25.2 93 22.7 26.2 87
CANYON 7870 8.7 8.7 100 10.2 11.4 89
MADISON PLATEAU 7750 13.6 14.9 91 14.3 18.2 79
WEST YELLOWSTONE 6700 8.1 7.2 112 9.2 10.2 90
WHISKEY CREEK 6800 10.0 9.9 101 12.0 14.0 86
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Basin Index (%) 97 86
YELLOWSTONE
BEARTOOTH LAKE 9360 16.3 14.7 111 14.7 13.5 109
BURNT MTN 5880 6.3 2.8 225 -M 8.3 *
CANYON 7870 8.7 8.7 100 10.2 11.4 89
COLE CREEK 7850 12.9 8.8 147 9.2 8.0 115
EVENING STAR 9200 22.4 16.7 134 23.0 19.0 121
FISHER CREEK 9100 24.1 21.8 111 21.2 21.9 97
NORTHEAST ENTRANCE 7350 8.0 6.8 118 8.7 8.7 100
PARKER PEAK 9400 18.0 13.6 132 16.2 12.0 135
SYLVAN LAKE 8420 14.7 13.5 109 16.8 15.6 108
THUMB DIVIDE 7980 9.0 9.9 91 9.4 12.7 74
TWO OCEAN PLATEAU 9240 21.8 18.8 116 17.4 18.3 95
WHITE MILL 8700 18.3 15.4 119 15.6 16.3 96
WOLVERINE 7650 10.6 7.3 145 8.7 8.6 101
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Basin Index (%) 120 103
WIND RIVER
BURROUGHS CREEK 8750 -M 8.9 * -M 11.0 *
CASTLE CREEK 8400 5.8 -M * 7.3 -M *
COLD SPRINGS 9630 6.8 4.8 142 8.4 6.5 129
DEER PARK 9700 7.4 9.5 78 10.5 13.1 80
HOBBS PARK 10100 8.9 8.1 110 7.8 8.2 95
KIRWIN 9550 9.9 6.1 162 9.0 7.6 118
LITTLE WARM 9370 8.4 6.7 125 9.9 8.6 115
OWL CREEK 8975 4.7 3.2 147 4.5 3.7 122
SOUTH PASS 9040 9.6 9.8 98 9.0 11.5 78
ST. LAWRENCE ALT 8620 -M 4.3 * 5.8 5.6 104
TOGWOTEE PASS 9580 18.2 15.6 117 18.0 16.7 108
TOWNSEND CREEK 8700 4.5 5.6 80 5.5 7.5 73
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Basin Index (%) 113 99
BIGHORN BASIN
BALD MTN. 9380 16.2 11.5 141 12.2 11.2 109
BEAR TRAP MEADOW 8200 7.0 3.6 194 7.5 5.4 139
BONE SPRINGS DIV 9350 12.8 10.1 127 9.6 10.1 95
GRAVE SPRINGS 8550 7.7 5.2 148 8.6 6.8 126
KIRWIN 9550 9.9 6.1 162 9.0 7.6 118
MARQUETTE 8760 6.0 -M * -M -M *
MIDDLE POWDER 7760 10.7 6.7 160 9.5 7.7 123
OWL CREEK 8975 4.7 3.2 147 4.5 3.7 122
POWDER RIVER PASS 9480 10.0 6.9 145 10.5 8.2 128
SHELL CREEK 9580 11.6 9.6 121 9.7 9.3 104
TIMBER CREEK 7950 4.3 3.1 139 5.8 4.7 123
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Basin Index (%) 144 116
SHOSHONE RIVER
BLACKWATER 9780 18.5 15.1 123 15.9 13.9 114
EVENING STAR 9200 22.4 16.7 134 23.0 19.0 121
MARQUETTE 8760 6.0 -M * -M -M *
SYLVAN ROAD 7120 9.4 8.1 116 13.4 12.4 108
YOUNTS PEAK 8350 -M 10.2 * -M 11.0 *
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Basin Index (%) 126 115
POWDER RIVER
BEAR TRAP MEADOW 8200 7.0 3.6 194 7.5 5.4 139
CLOUD PEAK RESERVOIR 9860 12.0 8.9 135 10.5 8.3 127
GRAVE SPRINGS 8550 7.7 5.2 148 8.6 6.8 126
HANSEN SAWMILL 8360 5.3 4.1 129 7.4 5.3 140
MIDDLE POWDER 7760 10.7 6.7 160 9.5 7.7 123
POWDER RIVER PASS 9480 10.0 6.9 145 10.5 8.2 128
SOLDIER PARK 8720 5.6 -M * 6.9 -M *
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Basin Index (%) 149 129
TONGUE RIVER
BIG GOOSE 7990 6.2 5.2 119 8.4 6.8 124
BONE SPRINGS DIV 9350 12.8 10.1 127 9.6 10.1 95
BURGESS JUNCTION 7880 8.7 7.1 123 10.1 7.8 129
DOME LAKE 8880 7.0 7.3 96 7.3 8.7 84
LITTLE GOOSE 8870 7.3 -M * 9.4 -M *
SUCKER CREEK 8880 10.5 7.5 140 11.6 9.1 127
TIE CREEK 6870 4.7 3.6 131 9.2 7.4 124
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Basin Index (%) 122 113
BELLE FOURCHE
COLE CANYON 5910 5.1 3.8 134 11.1 6.1 182
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Basin Index (%) 134 182
CHEYENNE RIVER BASIN
BLIND PARK 6890 6.8 5.3 128 13.6 8.1 168
NORTH RAPID CREEK 6130 6.7 4.8 140 -M 6.6 *
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Basin Index (%) 134 168
UPPER N. PLATTE
ARAPAHO RIDGE 10960 17.9 14.0 128 17.6 15.1 117
BLACKHALL MTN 9820 24.3 -M * 24.4 -M *
COLUMBINE 9160 22.6 15.8 143 18.2 17.3 105
DIVIDE PEAK 8880 13.1 13.4 98 16.8 14.5 116
JOE WRIGHT 10120 12.6 13.4 94 20.6 16.8 123
LAPRELE CREEK 8375 5.4 5.8 93 7.1 7.9 90
MED BOW 10500 23.8 -M * 31.9 -M *
NORTH FRENCH CREEK 10130 -M 17.1 * -M 17.7 *
NEVER SUMMER 10280 14.9 13.2 113 12.5 -M *
OLD BATTLE 10000 22.4 20.6 109 26.3 23.7 111
RAWAH 9020 9.6 6.8 141 12.3 9.5 129
SAGE CREEK BASIN 7850 8.0 9.0 89 9.3 10.4 89
SAND LAKE 10050 21.4 17.4 123 20.8 15.9 131
SOUTH BRUSH CREEK 8440 8.2 7.6 108 10.9 10.0 109
TOWER 10500 34.2 29.9 114 27.4 26.9 102
WEBBER SPRINGS 9250 16.7 15.2 110 19.6 17.9 109
WILLOW CREEK PASS 9540 9.2 8.1 114 10.1 8.7 116
ZIRKEL 9340 -M 19.5 * 20.9 20.2 103
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Basin Index (%) 114 111
SWEETWATER
DEER PARK 9700 7.4 9.5 78 10.5 13.1 80
LARSEN CREEK 9000 7.0 -M * 9.2 -M *
SOUTH PASS 9040 9.6 9.8 98 9.0 11.5 78
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Basin Index (%) 88 79
LOWER N. PLATTE
CASPER MTN. 7900 -M 8.1 * -M 9.5 *
LAPRELE CREEK 8375 5.4 5.8 93 7.1 7.9 90
RENO HILL 8400 11.4 8.2 139 13.5 9.4 144
WINDY PEAK 7900 4.6 4.4 105 7.1 6.6 108
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Basin Index (%) 116 116
LARAMIE RIVER
BROOKLYN LAKE 10240 19.2 12.6 152 16.4 13.6 121
CINNABAR PARK 9574 16.1 13.9 116 18.6 16.9 110
CROW CREEK 8330 6.2 5.8 107 7.9 6.6 120
DEADMAN HILL 10220 16.0 10.7 150 15.5 10.8 144
RAWAH 9020 9.6 6.8 141 12.3 9.5 129
ROACH 9700 12.8 10.6 121 15.6 12.5 125
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Basin Index (%) 132 123
S. PLATTE
BLACK MOUNTAIN 8920 8.2 -M * 9.7 -M *
CROW CREEK 8330 6.2 5.8 107 7.9 6.6 120
DEADMAN HILL 10220 16.0 10.7 150 15.5 10.8 144
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Basin Index (%) 135 134
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 8.5 7.6 112 13.0 10.2 127
DIVIDE PEAK 8880 13.1 13.4 98 16.8 14.5 116
ELK RIVER 8700 14.3 12.4 115 15.5 13.5 115
LITTLE SNAKE RIVER 8915 20.7 16.8 123 25.6 22.0 116
OLD BATTLE 10000 22.4 20.6 109 26.3 23.7 111
SAGE CREEK BASIN 7850 8.0 9.0 89 9.3 10.4 89
SANDSTONE RS 8150 9.3 8.8 106 13.7 12.6 109
WHISKEY PARK 8950 27.1 17.2 158 27.7 18.9 147
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Basin Index (%) 117 118
UPPER GREEN RIVER
BIG SANDY OPENING 9080 9.0 8.6 105 8.6 8.8 98
BLIND BULL SUM 8650 19.0 15.0 127 13.6 13.6 100
EAST RIM DIVIDE 7930 10.0 7.0 143 8.8 8.1 109
ELKHART PARK G.S. 9400 10.1 7.9 128 9.5 8.9 107
GROS VENTRE SUMMIT 8750 8.8 8.7 101 8.2 8.6 95
GUNSIGHT PASS 9820 10.8 8.7 124 10.4 9.5 109
KENDALL R.S. 7740 10.6 8.2 129 11.6 9.8 118
LOOMIS PARK 8240 12.3 10.1 122 13.6 11.9 114
NEW FORK LAKE 8340 8.4 7.0 120 7.0 7.4 95
POCKET CREEK 9360 7.7 -M * 8.0 -M *
SNIDER BASIN 8060 11.2 8.3 135 11.2 9.8 114
SPRING CREEK DIVIDE 9000 18.7 15.6 120 18.4 16.3 113
TRIPLE PEAK 8500 18.2 14.2 128 20.1 16.9 119
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Basin Index (%) 123 109
LOWER GREEN RIVER
BLACKS FORK JCT 8870 4.8 -M * 8.1 -M *
BUCK PASTURE 9700 7.7 -M * 9.6 -M *
EF BLACKS FORK GS 9360 3.6 -M * 6.5 -M *
HAMS FORK 7840 9.2 7.7 119 8.5 7.7 110
HEWINTA 9519 5.2 6.3 83 8.5 9.1 93
HICKERSON PARK 9145 5.0 4.2 119 6.6 6.5 102
HOLE-IN-ROCK 9150 4.3 4.3 100 6.2 6.0 103
INDIAN CREEK 9425 16.6 15.4 108 14.7 14.9 99
KELLEY R.S. 8180 11.2 9.5 118 13.0 12.2 107
SPIRIT LK 10235 6.2 -M * 9.5 -M *
STEEL CREEK PARK 10200 7.0 9.4 74 10.2 10.5 97
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Basin Index (%) 103 101
UPPER BEAR RIVER
BEAR RIVER RS 8777 5.4 -M * 7.8 -M *
BUG LAKE 7950 14.7 12.1 121 13.5 13.1 103
BURTS MILLER RANCH 8000 4.5 -M * 4.8 -M *
CHALK CREEK #1 8993 13.3 14.3 93 14.0 16.6 84
HAYDEN FORK 9212 8.6 9.3 92 12.5 13.9 90
KELLEY R.S. 8180 11.2 9.5 118 13.0 12.2 107
LILY LAKE 9156 8.6 7.8 110 10.0 11.3 88
MONTE CRISTO 8960 16.5 17.0 97 15.8 17.3 91
SALT RIVER SUMMIT 7760 10.2 8.4 121 12.0 11.3 106
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Basin Index (%) 106 95
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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.