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: JANUARY 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 8.8 8.3 106 9.9 11.2 88
BLACK BEAR 8170 17.4 19.4 90 17.2 20.0 86
BLIND BULL SUM 8650 10.7 10.8 99 8.6 10.3 83
COTTONWOOD CREEK 7670 9.5 9.2 103 11.1 12.6 88
EAST RIM DIVIDE 7930 6.2 5.0 124 5.7 6.2 92
GRAND TARGHEE 9260 22.1 20.0 110 16.1 17.1 94
GRANITE CREEK 6770 6.7 7.3 92 8.1 10.7 76
GRASSY LAKE 7265 13.2 14.8 89 15.1 19.2 79
GROS VENTRE SUMMIT 8750 6.9 6.9 100 6.3 6.7 94
GUNSIGHT PASS 9820 7.8 6.9 113 7.8 7.2 108
LEWIS LAKE DIVIDE 7850 10.8 15.0 72 13.4 18.8 71
PHILLIPS BENCH 8200 10.5 12.7 83 11.5 14.6 79
SALT RIVER SUMMIT 7760 5.2 5.5 95 7.2 8.5 85
SNAKE RIVER STATION 6920 7.0 7.8 90 9.5 12.4 77
SPRING CREEK DIVIDE 9000 10.0 11.0 91 10.5 12.3 85
THUMB DIVIDE 7980 5.8 7.1 82 6.6 9.8 67
TOGWOTEE PASS 9580 12.5 12.2 102 12.1 12.9 94
TWO OCEAN PLATEAU 9240 14.7 14.2 104 12.1 14.1 86
WILLOW CREEK 8380 12.3 12.5 98 15.8 17.4 91
YOUNTS PEAK 8350 -M 7.5 * -M 8.6 *
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Basin Index (%) 96 85
MADISON-GALLATIN
BLACK BEAR 8170 17.4 19.4 90 17.2 20.0 86
CANYON 7870 5.9 6.4 92 7.4 8.7 85
MADISON PLATEAU 7750 9.3 11.1 84 10.6 14.1 75
WEST YELLOWSTONE 6700 5.2 5.5 95 6.2 7.9 78
WHISKEY CREEK 6800 6.5 7.8 83 8.6 10.9 79
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Basin Index (%) 88 81
YELLOWSTONE
BEARTOOTH LAKE 9360 11.7 11.1 105 10.2 10.3 99
BURNT MTN 5880 4.6 1.9 242 10.4 7.1 146
CANYON 7870 5.9 6.4 92 7.4 8.7 85
COLE CREEK 7850 9.9 6.6 150 7.4 6.7 110
EVENING STAR 9200 16.0 12.8 125 16.5 14.7 112
FISHER CREEK 9100 17.4 16.8 104 15.5 16.8 92
NORTHEAST ENTRANCE 7350 5.1 4.9 104 5.9 6.8 87
PARKER PEAK 9400 13.5 11.1 122 12.7 9.4 135
SYLVAN LAKE 8420 10.6 10.4 102 12.7 12.2 104
THUMB DIVIDE 7980 5.8 7.1 82 6.6 9.8 67
TWO OCEAN PLATEAU 9240 14.7 14.2 104 12.1 14.1 86
WHITE MILL 8700 12.9 11.4 113 11.0 12.6 87
WOLVERINE 7650 6.8 5.5 124 6.0 6.8 88
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Basin Index (%) 112 99
WIND RIVER
BURROUGHS CREEK 8750 -M 6.8 * -M 8.6 *
CASTLE CREEK 8400 3.5 -M * 5.2 -M *
COLD SPRINGS 9630 5.1 3.6 142 6.9 5.3 130
DEER PARK 9700 5.3 7.0 76 7.3 10.0 73
HOBBS PARK 10100 6.8 7.1 96 6.4 6.7 96
KIRWIN 9550 7.3 4.7 155 6.5 6.1 107
LITTLE WARM 9370 6.1 5.0 122 7.5 6.7 112
OWL CREEK 8975 3.8 2.8 136 3.9 3.1 126
SOUTH PASS 9040 6.0 7.1 85 6.2 9.1 68
ST. LAWRENCE ALT 8620 3.1 3.3 94 5.7 4.6 124
TOGWOTEE PASS 9580 12.5 12.2 102 12.1 12.9 94
TOWNSEND CREEK 8700 3.6 4.2 86 4.8 6.2 77
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Basin Index (%) 105 95
BIGHORN BASIN
BALD MTN. 9380 12.6 9.4 134 10.1 8.7 116
BEAR TRAP MEADOW 8200 5.3 2.7 196 6.3 4.4 143
BONE SPRINGS DIV 9350 9.0 7.9 114 7.0 7.8 90
GRAVE SPRINGS 8550 6.4 3.9 164 7.2 5.5 131
KIRWIN 9550 7.3 4.7 155 6.5 6.1 107
MARQUETTE 8760 4.7 -M * 6.4 -M *
MIDDLE POWDER 7760 8.7 5.4 161 8.0 6.4 125
OWL CREEK 8975 3.8 2.8 136 3.9 3.1 126
POWDER RIVER PASS 9480 6.9 5.4 128 7.3 6.6 111
SHELL CREEK 9580 8.2 7.5 109 7.0 7.2 97
TIMBER CREEK 7950 3.3 2.3 143 4.9 4.1 120
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Basin Index (%) 138 114
SHOSHONE RIVER
BLACKWATER 9780 13.4 11.7 115 11.2 10.9 103
EVENING STAR 9200 16.0 12.8 125 16.5 14.7 112
MARQUETTE 8760 4.7 -M * 6.4 -M *
SYLVAN ROAD 7120 6.4 6.0 107 9.9 9.9 100
YOUNTS PEAK 8350 -M 7.5 * -M 8.6 *
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Basin Index (%) 117 106
POWDER RIVER
BEAR TRAP MEADOW 8200 5.3 2.7 196 6.3 4.4 143
CLOUD PEAK RESERVOIR 9860 9.0 6.7 134 8.6 6.7 128
GRAVE SPRINGS 8550 6.4 3.9 164 7.2 5.5 131
HANSEN SAWMILL 8360 4.4 3.3 133 6.1 4.3 142
MIDDLE POWDER 7760 8.7 5.4 161 8.0 6.4 125
POWDER RIVER PASS 9480 6.9 5.4 128 7.3 6.6 111
SOLDIER PARK 8720 4.2 -M * 5.8 -M *
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Basin Index (%) 149 128
TONGUE RIVER
BIG GOOSE 7990 4.8 4.0 120 7.4 5.6 132
BONE SPRINGS DIV 9350 9.0 7.9 114 7.0 7.8 90
BURGESS JUNCTION 7880 6.4 5.1 125 8.0 6.3 127
DOME LAKE 8880 4.7 5.7 82 5.9 7.2 82
LITTLE GOOSE 8870 -M -M * -M -M *
SUCKER CREEK 8880 8.1 5.8 140 9.3 7.2 129
TIE CREEK 6870 3.1 2.3 135 7.6 6.0 127
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Basin Index (%) 117 113
BELLE FOURCHE
COLE CANYON 5910 3.9 2.4 162 9.9 4.9 202
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Basin Index (%) 162 202
CHEYENNE RIVER BASIN
BLIND PARK 6890 4.9 3.8 129 11.0 6.5 169
NORTH RAPID CREEK 6130 4.9 3.4 144 10.5 5.4 194
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Basin Index (%) 136 181
UPPER N. PLATTE
ARAPAHO RIDGE 10960 11.6 10.6 109 11.6 12.1 96
BLACKHALL MTN 9820 15.5 -M * 16.4 -M *
COLUMBINE 9160 12.1 10.6 114 14.3 12.9 111
DIVIDE PEAK 8880 9.0 9.6 94 12.6 11.3 112
JOE WRIGHT 10120 8.6 10.4 83 14.0 13.3 105
LAPRELE CREEK 8375 3.9 4.4 89 5.8 6.4 91
MED BOW 10500 14.8 -M * 19.2 -M *
NORTH FRENCH CREEK 10130 15.9 12.9 123 17.2 13.4 128
NEVER SUMMER 10280 10.2 10.0 102 9.3 -M *
OLD BATTLE 10000 14.7 14.6 101 16.8 18.1 93
RAWAH 9020 6.6 5.1 129 9.5 8.0 119
SAGE CREEK BASIN 7850 5.2 6.6 79 7.0 8.2 85
SAND LAKE 10050 14.6 13.3 110 14.7 12.3 120
SOUTH BRUSH CREEK 8440 6.8 5.5 124 9.4 7.9 119
TOWER 10500 20.5 20.1 102 22.2 20.4 109
WEBBER SPRINGS 9250 10.2 11.0 93 12.7 13.7 93
WILLOW CREEK PASS 9540 7.0 6.0 117 7.9 7.0 113
ZIRKEL 9340 13.5 12.8 105 15.9 15.6 102
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Basin Index (%) 104 106
SWEETWATER
DEER PARK 9700 5.3 7.0 76 7.3 10.0 73
LARSEN CREEK 9000 2.4 -M * 5.4 -M *
SOUTH PASS 9040 6.0 7.1 85 6.2 9.1 68
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Basin Index (%) 80 71
LOWER N. PLATTE
CASPER MTN. 7900 10.1 6.5 155 9.7 7.9 123
LAPRELE CREEK 8375 3.9 4.4 89 5.8 6.4 91
RENO HILL 8400 9.6 6.3 152 11.7 7.7 152
WINDY PEAK 7900 3.1 3.2 97 5.7 5.5 104
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Basin Index (%) 131 120
LARAMIE RIVER
BROOKLYN LAKE 10240 11.1 9.4 118 11.7 10.2 115
CINNABAR PARK 9574 10.7 10.7 100 13.0 13.3 98
CROW CREEK 8330 4.2 4.8 88 6.3 5.9 107
DEADMAN HILL 10220 10.4 7.7 135 10.7 8.5 126
RAWAH 9020 6.6 5.1 129 9.5 8.0 119
ROACH 9700 8.3 7.7 108 10.7 9.8 109
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Basin Index (%) 113 111
S. PLATTE
BLACK MOUNTAIN 8920 6.1 -M * 7.6 -M *
CROW CREEK 8330 4.2 4.8 88 6.3 5.9 107
DEADMAN HILL 10220 10.4 7.7 135 10.7 8.5 126
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Basin Index (%) 117 118
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 5.9 4.9 120 10.1 7.9 128
DIVIDE PEAK 8880 9.0 9.6 94 12.6 11.3 112
ELK RIVER 8700 9.6 8.2 117 11.8 10.2 116
LITTLE SNAKE RIVER 8915 11.9 10.8 110 17.0 16.5 103
OLD BATTLE 10000 14.7 14.6 101 16.8 18.1 93
SAGE CREEK BASIN 7850 5.2 6.6 79 7.0 8.2 85
SANDSTONE RS 8150 5.9 5.6 105 10.2 9.6 106
WHISKEY PARK 8950 16.6 10.9 152 18.7 13.7 136
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Basin Index (%) 111 109
UPPER GREEN RIVER
BIG SANDY OPENING 9080 5.2 6.8 76 5.0 7.0 71
BLIND BULL SUM 8650 10.7 10.8 99 8.6 10.3 83
EAST RIM DIVIDE 7930 6.2 5.0 124 5.7 6.2 92
ELKHART PARK G.S. 9400 6.3 5.9 107 6.3 7.0 90
GROS VENTRE SUMMIT 8750 6.9 6.9 100 6.3 6.7 94
GUNSIGHT PASS 9820 7.8 6.9 113 7.8 7.2 108
KENDALL R.S. 7740 6.3 5.6 112 7.4 7.3 101
LOOMIS PARK 8240 7.0 7.1 99 8.3 9.1 91
NEW FORK LAKE 8340 5.1 5.1 100 4.9 5.8 84
POCKET CREEK 9360 4.5 -M * 4.7 -M *
SNIDER BASIN 8060 5.6 6.0 93 6.1 7.4 82
SPRING CREEK DIVIDE 9000 10.0 11.0 91 10.5 12.3 85
TRIPLE PEAK 8500 9.2 9.7 95 11.1 12.5 89
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Basin Index (%) 99 89
LOWER GREEN RIVER
BLACKS FORK JCT 8870 2.9 -M * 5.8 -M *
BUCK PASTURE 9700 5.2 -M * 7.6 -M *
EF BLACKS FORK GS 9360 2.3 -M * 5.1 -M *
HAMS FORK 7840 3.5 5.2 67 5.2 5.8 90
HEWINTA 9519 2.8 4.3 65 6.1 7.1 86
HICKERSON PARK 9145 4.1 3.1 132 5.5 5.3 104
HOLE-IN-ROCK 9150 3.1 3.2 97 5.1 5.0 102
INDIAN CREEK 9425 8.4 11.1 76 8.4 11.1 76
KELLEY R.S. 8180 5.6 6.9 81 7.5 9.4 80
SPIRIT LK 10235 5.2 -M * 8.0 -M *
STEEL CREEK PARK 10200 6.0 6.6 91 7.6 8.2 93
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Basin Index (%) 83 87
UPPER BEAR RIVER
BEAR RIVER RS 8777 3.3 -M * 5.8 -M *
BUG LAKE 7950 5.9 7.2 82 6.9 10.0 69
BURTS MILLER RANCH 8000 2.9 -M * 3.5 -M *
CHALK CREEK #1 8993 9.0 10.8 83 10.1 12.8 79
HAYDEN FORK 9212 4.8 6.5 74 8.4 10.6 79
KELLEY R.S. 8180 5.6 6.9 81 7.5 9.4 80
LILY LAKE 9156 5.0 5.7 88 7.6 8.8 86
MONTE CRISTO 8960 8.4 12.1 69 8.9 13.2 67
SALT RIVER SUMMIT 7760 5.2 5.5 95 7.2 8.5 85
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Basin Index (%) 80 77
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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.