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 WEDNESDAY: JANUARY 7 , 2004
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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 12.7 9.1 140 13.5 11.3 119
COTTONWOOD CREEK 7600 11.5 10.6 108 12.4 14.5 86
GRANITE CREEK 6770 11.4 8.5 134 12.0 10.3 117
GRASSY LAKE 7265 21.8 16.3 134 21.4 18.8 114
GROS VENTRE SUMMIT 8775 7.2 7.5 96 6.7 6.8 99
LEWIS LAKE DIVIDE 7860 20.7 16.4 126 21.0 18.9 111
PHILLIPS BENCH 8200 16.0 13.8 116 16.4 14.7 112
SALT RIVER SUMMIT 7600 7.8 6.1 128 8.8 9.7 91
SNAKE RIVER STATION 6920 13.9 8.8 158 14.8 11.9 124
SPRING CREEK DIVIDE 9000 12.4 13.4 93 12.0 14.0 86
THUMB DIVIDE 7980 12.7 8.4 151 11.9 9.8 121
TOGWOTEE PASS 9580 12.5 12.7 98 12.7 12.9 98
TWO OCEAN PLATEAU 9360 17.3 14.6 118 15.5 14.5 107
WILLOW CREEK 8450 16.5 15.5 106 17.9 16.7 107
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Basin wide percent of average 120 107
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 11.5 12.5 92 11.2 10.8 104
BLACK BEAR 8170 25.6 19.0 135 24.0 19.2 125
CANYON 8090 7.1 6.7 106 8.0 8.4 95
FISHER CREEK 9100 18.2 18.0 101 -M 18.6 *
MADISON PLATEAU 7750 15.6 12.3 127 15.1 13.4 113
NORTHEAST ENTRANCE 7350 4.1 5.6 73 6.5 6.9 94
PARKER PEAK 9400 11.1 11.5 97 8.6 8.8 98
SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103
THUMB DIVIDE 7980 12.7 8.4 151 11.9 9.8 121
TWO OCEAN PLATEAU 9360 17.3 14.6 118 15.5 14.5 107
WHISKEY CREEK 6800 11.3 8.2 138 12.8 10.7 120
WHITE MILL 8700 10.3 12.3 84 12.0 13.9 86
WOLVERINE 7650 5.8 6.4 91 6.0 7.4 81
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Basin wide percent of average 109 106
WIND RIVER
BURROUGHS CREEK 8750 7.3 7.5 97 8.4 8.6 98
COLD SPRINGS 9630 3.7 4.9 76 3.8 6.0 63
DEER PARK 9700 10.4 7.7 135 12.1 11.6 104
HOBBS PARK 10100 7.0 8.1 86 6.2 6.7 93
LITTLE WARM 9370 5.0 5.9 85 5.8 7.2 81
SOUTH PASS 9040 10.6 8.8 120 10.5 9.8 107
ST. LAWRENCE ALT 8620 2.9 4.0 72 3.5 4.8 73
TOGWOTEE PASS 9580 12.5 12.7 98 12.7 12.9 98
TOWNSEND CREEK 8700 5.0 4.7 106 5.7 6.3 90
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Basin wide percent of average 100 93
BIGHORN BASIN
BALD MTN. 9380 8.8 10.6 83 7.9 9.1 87
BEAR TRAP MEADOW 8200 3.9 2.8 139 3.8 4.7 81
BLACKWATER 9780 14.1 12.9 109 12.5 11.5 109
BONE SPRINGS DIV 9350 7.5 8.4 89 7.9 7.7 103
EVENING STAR 9200 12.4 15.0 83 15.2 13.9 109
GRAVE SPRINGS 8550 5.5 4.4 125 4.5 5.2 87
KIRWIN 9550 3.9 6.3 62 4.9 6.2 79
MARQUETTE 8760 4.3 5.2 83 4.7 5.5 85
MIDDLE POWDER 7760 6.3 5.8 109 5.2 7.1 73
OWL CREEK 8975 2.2 2.8 79 2.4 3.1 77
POWDER RIVER PASS 9480 5.9 5.7 104 6.5 6.4 102
SHELL CREEK 9580 7.9 7.9 100 7.8 7.2 108
SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103
SYLVAN ROAD 7120 7.3 6.8 107 9.6 10.7 90
TIMBER CREEK 7950 1.9 3.1 61 2.8 3.9 72
YOUNTS PEAK 8350 5.7 8.7 66 8.1 8.8 92
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Basin wide percent of average 91 94
SHOSHONE RIVER
BLACKWATER 9780 14.1 12.9 109 12.5 11.5 109
EVENING STAR 9200 12.4 15.0 83 15.2 13.9 109
KIRWIN 9550 3.9 6.3 62 4.9 6.2 79
MARQUETTE 8760 4.3 5.2 83 4.7 5.5 85
SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103
SYLVAN ROAD 7120 7.3 6.8 107 9.6 10.7 90
YOUNTS PEAK 8350 5.7 8.7 66 8.1 8.8 92
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Basin wide percent of average 87 98
POWDER-TONGUE
BEAR TRAP MEADOW 8200 3.9 2.8 139 3.8 4.7 81
BIG GOOSE 7990 4.4 4.7 94 4.9 4.7 104
BONE SPRINGS DIV 9350 7.5 8.4 89 7.9 7.7 103
BURGESS JUNCTION 7880 5.3 5.9 90 5.7 6.4 89
CLOUD PEAK RESERVOIR 9860 7.3 6.2 118 6.5 6.7 97
DOME LAKE 8880 -M 6.5 * -M 7.2 *
GRAVE SPRINGS 8550 5.5 4.4 125 4.5 5.2 87
HANSEN SAWMILL 8360 3.9 3.5 111 3.8 4.5 84
MIDDLE POWDER 7760 6.3 5.8 109 5.2 7.1 73
POWDER RIVER PASS 9480 5.9 5.7 104 6.5 6.4 102
SUCKER CREEK 8880 5.3 5.6 95 6.4 7.1 90
TIE CREEK 6870 3.3 2.9 114 4.6 5.4 85
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Basin wide percent of average 105 91
BELLE FOURCHE
BLIND PARK 6890 2.8 3.9 72 4.9 6.5 75
COLE CANYON 5910 2.4 3.2 75 3.6 -M *
NORTH RAPID CREEK 6130 3.2 3.6 89 3.9 5.5 71
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Basin wide percent of average 79 73
UPPER N. PLATTE RIVER
COLUMBINE 9400 12.5 11.2 112 14.2 12.5 114
DIVIDE PEAK 8800 11.1 10.0 111 11.7 10.7 109
ELK RIVER 8700 10.8 8.2 132 12.2 9.6 127
JOE WRIGHT 10120 8.2 10.5 78 10.4 12.7 82
NORTH FRENCH CREEK 10100 12.4 14.4 86 11.6 12.9 90
OLD BATTLE 10000 18.6 15.6 119 19.2 17.2 112
SAGE CREEK BASIN 7850 8.1 5.8 140 9.1 6.2 147
SOUTH BRUSH CREEK 8400 5.2 5.5 95 5.8 8.4 69
TOWER 10500 22.2 22.4 99 23.4 19.4 121
WEBBER SPRINGS 9200 14.4 12.4 116 15.8 14.0 113
WILLOW CREEK PASS 9540 5.4 5.9 92 5.2 6.8 76
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Basin wide percent of average 106 106
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 9.1 11.7 78 8.6 10.9 79
CASPER MTN. 7900 5.4 7.3 74 4.8 7.5 64
DEADMAN HILL 10220 6.4 8.2 78 8.8 8.4 105
DEER PARK 9700 10.4 7.7 135 12.1 11.6 104
LAPRELE CREEK 8320 5.2 5.7 91 5.6 6.6 85
RENO HILL 8400 6.8 7.0 97 6.3 7.6 83
ROACH 9700 9.5 8.0 119 10.3 9.1 113
SAND LAKE 10080 12.5 15.9 79 12.1 12.4 98
SOUTH PASS 9040 10.6 8.8 120 10.5 9.8 107
WINDY PEAK 7840 2.9 3.7 78 4.0 5.8 69
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Basin wide percent of average 94 93
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 8.9 4.8 185 9.1 7.6 120
DIVIDE PEAK 8800 11.1 10.0 111 11.7 10.7 109
OLD BATTLE 10000 18.6 15.6 119 19.2 17.2 112
SANDSTONE RS 8150 6.6 6.2 106 11.9 9.6 124
WHISKEY PARK 8950 14.8 12.5 118 14.2 14.4 99
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Basin wide percent of average 122 111
UPPER GREEN RIVER
BIG SANDY OPENING 9100 8.3 7.4 112 7.9 7.1 111
BLIND BULL SUM 8650 13.6 14.3 95 11.1 11.9 93
EAST RIM DIVIDE 7930 6.6 6.4 103 6.8 6.2 110
ELKHART PARK G.S. 9400 7.4 6.8 109 7.9 7.1 111
GROS VENTRE SUMMIT 8775 7.2 7.5 96 6.7 6.8 99
KENDALL R.S. 7740 9.8 7.3 134 8.6 7.4 116
LOOMIS PARK 8240 10.1 8.6 117 10.3 9.0 114
NEW FORK LAKE 8340 6.4 5.8 110 5.9 6.3 94
SNIDER BASIN 8250 7.9 7.5 105 7.7 8.5 91
SPRING CREEK DIVIDE 9000 12.4 13.4 93 12.0 14.0 86
TRIPLE PEAK 8500 12.3 12.8 96 13.1 12.2 107
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Basin wide percent of average 104 102
LOWER GREEN RIVER
HAMS FORK 7840 6.4 6.1 105 5.9 6.3 94
HEWINTA 9500 5.1 4.6 111 6.6 7.4 89
HICKERSON PARK 9150 3.0 3.2 94 5.4 4.4 123
HOLE-IN-ROCK 9150 3.8 3.0 127 4.4 4.1 107
INDIAN CREEK 9425 13.3 13.5 99 11.7 13.1 89
KELLEY R.S. 8180 9.0 8.2 110 9.8 10.8 91
STEEL CREEK PARK 10100 6.5 7.2 90 7.1 8.1 88
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Basin wide percent of average 103 94
UPPER BEAR RIVER
BUG LAKE 7950 11.0 9.2 120 11.1 9.9 112
HAYDEN FORK 9400 6.6 7.0 94 -M 10.7 *
KELLEY R.S. 8180 9.0 8.2 110 9.8 10.8 91
LILY LAKE 9050 6.0 6.0 100 7.9 9.2 86
MONTE CRISTO 8960 14.4 12.4 116 14.6 13.0 112
SALT RIVER SUMMIT 7600 7.8 6.1 128 8.8 9.7 91
TRIAL LAKE 9960 12.3 11.5 107 13.7 12.1 113
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Basin wide percent of average 111 102
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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 1971-2000.
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.