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 SATURDAY: MARCH 22 , 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 23.4 14.7 159 24.0 19.2 125
BLACK BEAR 8170 37.4 32.9 114 34.5 34.8 99
BLIND BULL SUM 8650 34.8 20.7 168 22.4 17.8 126
COTTONWOOD CREEK 7670 29.6 20.2 147 32.2 22.2 145
EAST RIM DIVIDE 7930 16.9 9.6 176 14.7 10.6 139
GRAND TARGHEE 9260 46.3 33.2 139 34.6 27.2 127
GRANITE CREEK 6770 23.2 14.8 157 23.2 18.2 127
GRASSY LAKE 7265 36.5 29.6 123 34.9 32.9 106
GROS VENTRE SUMMIT 8750 14.2 11.8 120 14.4 11.5 125
GUNSIGHT PASS 9820 19.6 12.2 161 18.0 12.2 148
LEWIS LAKE DIVIDE 7850 34.1 28.0 122 -M 32.4 *
PHILLIPS BENCH 8200 32.9 22.6 146 32.0 25.5 125
SALT RIVER SUMMIT 7760 17.5 12.1 145 18.4 15.1 122
SNAKE RIVER STATION 6920 20.2 15.4 131 23.1 20.6 112
SPRING CREEK DIVIDE 9000 33.9 21.5 158 31.2 21.6 144
THUMB DIVIDE 7980 16.3 14.3 114 15.0 16.6 90
TOGWOTEE PASS 9580 30.0 20.8 144 -M 21.9 *
TWO OCEAN PLATEAU 9240 36.6 24.2 151 -M 24.7 *
WILLOW CREEK 8380 37.9 25.3 150 38.4 30.2 127
YOUNTS PEAK 8350 -M 13.6 * -M 14.3 *
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Basin Index (%) 141 122
MADISON-GALLATIN
BLACK BEAR 8170 37.4 32.9 114 34.5 34.8 99
CANYON 7870 13.4 11.8 114 14.9 14.7 101
MADISON PLATEAU 7750 21.5 20.2 106 21.8 23.8 92
WEST YELLOWSTONE 6700 12.7 10.0 127 13.8 12.8 108
WHISKEY CREEK 6800 15.4 14.3 108 18.2 18.3 99
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Basin Index (%) 113 99
YELLOWSTONE
BEARTOOTH LAKE 9360 28.8 19.7 146 -M 17.9 *
BURNT MTN 5880 9.4 4.7 200 16.7 11.0 152
CANYON 7870 13.4 11.8 114 14.9 14.7 101
COLE CREEK 7850 18.5 12.2 152 12.9 10.9 118
EVENING STAR 9200 35.6 22.5 158 -M 24.7 *
FISHER CREEK 9100 39.9 28.3 141 35.1 28.8 122
NORTHEAST ENTRANCE 7350 14.2 9.2 154 14.1 11.0 128
PARKER PEAK 9400 28.2 17.8 158 21.6 15.8 137
SYLVAN LAKE 8420 21.8 18.3 119 24.8 20.1 123
THUMB DIVIDE 7980 16.3 14.3 114 15.0 16.6 90
TWO OCEAN PLATEAU 9240 36.6 24.2 151 -M 24.7 *
WHITE MILL 8700 30.7 20.2 152 26.3 21.4 123
WOLVERINE 7650 14.2 8.9 160 15.2 11.1 137
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Basin Index (%) 145 122
WIND RIVER
BURROUGHS CREEK 8750 -M 12.4 * -M 14.4 *
CASTLE CREEK 8400 10.1 -M * 11.9 -M *
COLD SPRINGS 9630 9.3 6.5 143 12.7 8.6 148
DEER PARK 9700 -M 13.7 * 17.9 17.4 103
HOBBS PARK 10100 14.4 12.1 119 12.7 11.3 112
KIRWIN 9550 17.7 8.5 208 16.3 10.1 161
LITTLE WARM 9370 13.8 9.4 147 16.1 11.3 142
OWL CREEK 8975 6.9 4.6 150 6.8 5.1 133
SOUTH PASS 9040 15.6 14.2 110 14.4 15.5 93
ST. LAWRENCE ALT 8620 4.5 6.3 71 7.7 7.6 101
TOGWOTEE PASS 9580 30.0 20.8 144 -M 21.9 *
TOWNSEND CREEK 8700 7.4 8.4 88 8.5 10.2 83
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Basin Index (%) 132 116
BIGHORN BASIN
BALD MTN. 9380 22.7 16.6 137 17.3 15.0 115
BEAR TRAP MEADOW 8200 9.7 5.2 187 9.8 7.2 136
BONE SPRINGS DIV 9350 19.2 14.2 135 14.9 13.6 110
GRAVE SPRINGS 8550 11.2 8.3 135 11.2 9.1 123
KIRWIN 9550 17.7 8.5 208 16.3 10.1 161
MARQUETTE 8760 12.7 -M * 11.6 -M *
MIDDLE POWDER 7760 14.9 10.1 148 12.1 10.2 119
OWL CREEK 8975 6.9 4.6 150 6.8 5.1 133
POWDER RIVER PASS 9480 14.4 9.3 155 15.2 11.0 138
SHELL CREEK 9580 17.8 13.0 137 15.1 12.0 126
TIMBER CREEK 7950 5.8 4.1 141 7.7 6.2 124
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Basin Index (%) 149 127
SHOSHONE RIVER
BLACKWATER 9780 29.4 21.0 140 26.3 18.3 144
EVENING STAR 9200 35.6 22.5 158 -M 24.7 *
MARQUETTE 8760 12.7 -M * 11.6 -M *
SYLVAN ROAD 7120 14.7 10.5 140 19.2 15.2 126
YOUNTS PEAK 8350 -M 13.6 * -M 14.3 *
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Basin Index (%) 148 136*
POWDER RIVER
BEAR TRAP MEADOW 8200 9.7 5.2 187 9.8 7.2 136
CLOUD PEAK RESERVOIR 9860 19.2 13.1 147 16.7 11.4 146
GRAVE SPRINGS 8550 11.2 8.3 135 11.2 9.1 123
HANSEN SAWMILL 8360 9.0 5.8 155 11.0 7.3 151
MIDDLE POWDER 7760 14.9 10.1 148 12.1 10.2 119
POWDER RIVER PASS 9480 14.4 9.3 155 15.2 11.0 138
SOLDIER PARK 8720 11.8 -M * 10.4 -M *
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Basin Index (%) 151 135
TONGUE RIVER
BIG GOOSE 7990 11.3 8.0 141 13.3 9.4 141
BONE SPRINGS DIV 9350 19.2 14.2 135 14.9 13.6 110
BURGESS JUNCTION 7880 14.0 9.7 144 14.5 10.6 137
DOME LAKE 8880 14.1 10.4 136 13.0 11.7 111
LITTLE GOOSE 8870 12.9 -M * 15.4 -M *
SUCKER CREEK 8880 16.4 11.0 149 17.6 12.4 142
TIE CREEK 6870 8.6 5.1 169 13.5 9.9 136
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Basin Index (%) 143 128
BELLE FOURCHE
COLE CANYON 5910 7.5 5.6 134 13.2 8.0 165
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Basin Index (%) 134 165
CHEYENNE RIVER BASIN
BLIND PARK 6890 8.7 7.2 121 15.7 10.6 148
NORTH RAPID CREEK 6130 9.3 6.6 141 14.3 8.7 164
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Basin Index (%) 130 155
UPPER N. PLATTE
ARAPAHO RIDGE 10960 25.1 18.1 139 24.8 19.8 125
BLACKHALL MTN 9820 35.0 -M * 27.9 -M *
COLUMBINE 9160 33.2 22.1 150 -M 23.2 *
DIVIDE PEAK 8880 18.2 17.9 102 20.9 19.3 108
JOE WRIGHT 10120 21.2 19.3 110 29.2 23.1 126
LAPRELE CREEK 8375 8.9 9.3 96 10.5 10.9 96
MED BOW 10500 9.6 -M * 34.3 -M *
NORTH FRENCH CREEK 10130 32.9 25.8 128 32.2 23.9 135
NEVER SUMMER 10280 22.9 18.0 127 17.2 -M *
OLD BATTLE 10000 31.6 26.8 118 34.4 31.8 108
RAWAH 9020 13.4 9.7 138 16.1 12.4 130
SAGE CREEK BASIN 7850 12.1 11.5 105 11.5 13.0 88
SAND LAKE 10050 31.7 25.1 126 30.4 21.9 139
SOUTH BRUSH CREEK 8440 11.9 11.2 106 13.9 13.5 103
TOWER 10500 48.0 40.5 119 -M 36.1 *
WEBBER SPRINGS 9250 24.7 21.3 116 26.7 24.1 111
WILLOW CREEK PASS 9540 13.5 11.0 123 13.5 11.8 114
ZIRKEL 9340 39.2 25.6 153 -M 25.6 *
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Basin Index (%) 124 117
SWEETWATER
DEER PARK 9700 -M 13.7 * 17.9 17.4 103
LARSEN CREEK 9000 13.0 11.3 115 15.0 -M *
SOUTH PASS 9040 15.6 14.2 110 14.4 15.5 93
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Basin Index (%) 112 98
LOWER N. PLATTE
CASPER MTN. 7900 17.0 12.5 136 14.7 13.0 113
LAPRELE CREEK 8375 8.9 9.3 96 10.5 10.9 96
RENO HILL 8400 16.9 12.2 139 18.8 13.2 142
WINDY PEAK 7900 8.7 7.3 119 11.2 9.2 122
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Basin Index (%) 125 119
LARAMIE RIVER
BROOKLYN LAKE 10240 29.7 17.9 166 26.8 18.7 143
CINNABAR PARK 9574 22.0 18.4 120 27.6 21.6 128
CROW CREEK 8330 6.8 6.9 99 10.8 9.1 119
DEADMAN HILL 10220 23.3 14.1 165 21.9 15.2 144
RAWAH 9020 13.4 9.7 138 16.1 12.4 130
ROACH 9700 19.7 14.2 139 22.3 17.0 131
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Basin Index (%) 142 134
S. PLATTE
BLACK MOUNTAIN 8920 11.8 -M * -M -M *
CROW CREEK 8330 6.8 6.9 99 10.8 9.1 119
DEADMAN HILL 10220 23.3 14.1 165 21.9 15.2 144
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Basin Index (%) 143 135
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 12.0 11.3 106 15.8 13.7 115
DIVIDE PEAK 8880 18.2 17.9 102 20.9 19.3 108
ELK RIVER 8700 20.6 17.4 118 20.5 18.1 113
LITTLE SNAKE RIVER 8915 29.5 21.3 138 32.6 26.7 122
OLD BATTLE 10000 31.6 26.8 118 34.4 31.8 108
SAGE CREEK BASIN 7850 12.1 11.5 105 11.5 13.0 88
SANDSTONE RS 8150 11.3 12.6 90 16.7 16.8 99
WHISKEY PARK 8950 38.3 24.5 156 36.3 25.2 144
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Basin Index (%) 121 115
UPPER GREEN RIVER
BIG SANDY OPENING 9080 15.1 11.8 128 14.2 11.9 119
BLIND BULL SUM 8650 34.8 20.7 168 22.4 17.8 126
EAST RIM DIVIDE 7930 16.9 9.6 176 14.7 10.6 139
ELKHART PARK G.S. 9400 16.9 10.9 155 15.9 11.9 134
GROS VENTRE SUMMIT 8750 14.2 11.8 120 14.4 11.5 125
GUNSIGHT PASS 9820 19.6 12.2 161 18.0 12.2 148
KENDALL R.S. 7740 22.3 11.4 196 22.2 13.0 171
LOOMIS PARK 8240 23.9 13.6 176 23.5 15.7 150
NEW FORK LAKE 8340 15.5 9.4 165 13.2 9.8 135
POCKET CREEK 9360 12.4 -M * 12.2 -M *
SNIDER BASIN 8060 19.5 11.1 176 18.8 12.9 146
SPRING CREEK DIVIDE 9000 33.9 21.5 158 31.2 21.6 144
TRIPLE PEAK 8500 34.0 19.8 172 35.3 23.0 153
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Basin Index (%) 163 142
LOWER GREEN RIVER
BLACKS FORK JCT 8870 7.9 -M * 12.2 -M *
BUCK PASTURE 9700 13.6 -M * 15.1 -M *
EF BLACKS FORK GS 9360 9.3 -M * 9.3 -M *
HAMS FORK 7840 15.9 10.4 153 13.2 10.3 128
HEWINTA 9519 10.1 9.9 102 12.7 12.5 102
HICKERSON PARK 9145 7.7 6.7 115 8.3 9.0 92
HOLE-IN-ROCK 9150 5.8 6.8 85 8.4 8.4 100
INDIAN CREEK 9425 31.0 21.6 144 25.2 20.4 124
KELLEY R.S. 8180 18.2 13.7 133 19.9 16.4 121
SPIRIT LK 10235 8.8 -M * 12.1 -M *
STEEL CREEK PARK 10200 17.0 13.6 125 14.7 14.5 101
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Basin Index (%) 128 112
UPPER BEAR RIVER
BEAR RIVER RS 8777 9.5 -M * 11.3 -M *
BUG LAKE 7950 21.7 16.9 128 18.8 17.6 107
BURTS MILLER RANCH 8000 7.0 -M * 6.4 -M *
CHALK CREEK #1 8993 20.8 21.6 96 20.6 22.4 92
HAYDEN FORK 9212 15.3 14.4 106 18.7 18.8 99
KELLEY R.S. 8180 18.2 13.7 133 19.9 16.4 121
LILY LAKE 9156 12.9 11.5 112 13.9 15.2 91
MONTE CRISTO 8960 25.4 24.7 103 23.3 23.4 100
SALT RIVER SUMMIT 7760 17.5 12.1 145 18.4 15.1 122
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Basin Index (%) 115 104
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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.