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: NOVEMBER 4 , 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 1.9 1.0 190* 3.3 2.5 132
COTTONWOOD CREEK 7600 2.5 1.3 192* 4.6 3.6 128
GRANITE CREEK 6770 1.7 .8 212* 4.3 2.2 195
GRASSY LAKE 7265 3.9 2.0 195* 5.2 4.1 127
GROS VENTRE SUMMIT 8750 2.5 1.6 156 2.9 2.1 138
LEWIS LAKE DIVIDE 7850 4.4 1.8 244* 5.4 4.0 135
PHILLIPS BENCH 8200 3.5 1.9 184* 4.4 3.0 147
SALT RIVER SUMMIT 7600 1.6 .6 267* 4.0 2.3 174
SNAKE RIVER STATION 6920 1.2 .9 133* 3.2 2.7 119
SPRING CREEK DIVIDE 9000 5.0 2.0 250* 5.7 3.2 178
THUMB DIVIDE 7980 2.2 1.2 183* 2.9 2.4 121
TOGWOTEE PASS 9580 3.3 3.1 106 3.4 3.3 103
TWO OCEAN PLATEAU 9240 5.5 3.7 149 4.9 3.7 132
WILLOW CREEK 8450 4.4 2.4 183* 6.3 4.4 143
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Basin wide percent of average 179* 139
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 3.1 3.1 100 3.3 2.6 127
BLACK BEAR 8170 6.7 3.5 191* 7.3 4.3 170
CANYON 8090 1.4 .9 156* 2.6 2.2 118
FISHER CREEK 9100 4.0 3.3 121* 4.9 4.0 123
MADISON PLATEAU 7750 3.5 2.0 175* 4.8 3.1 155
NORTHEAST ENTRANCE 7350 .4 .5 80* 1.5 1.8 83
PARKER PEAK 9400 3.0 3.0 100 3.1 2.7 115
SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142
THUMB DIVIDE 7980 2.2 1.2 183* 2.9 2.4 121
TWO OCEAN PLATEAU 9240 5.5 3.7 149 4.9 3.7 132
WHISKEY CREEK 6800 2.0 1.0 200* 3.9 2.7 144
WHITE MILL 8700 -M 2.5 * -M 3.3 *
WOLVERINE 7650 .6 .7 86* 1.8 2.2 82
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Basin wide percent of average 141* 130
WIND RIVER
BURROUGHS CREEK 8750 1.6 1.3 123* 2.2 2.0 110
COLD SPRINGS 9630 1.4 1.3 108 1.8 2.2 82
DEER PARK 9700 6.6 2.9 228 7.5 3.0 250
HOBBS PARK 10100 3.2 2.6 123 3.4 2.4 142
LITTLE WARM 9370 1.7 1.3 131 2.0 2.1 95
SOUTH PASS 9040 4.5 1.9 237 5.6 2.6 215
ST. LAWRENCE ALT 8620 1.0 1.1 91 1.8 2.0 90
TOGWOTEE PASS 9580 3.3 3.1 106 3.4 3.3 103
TOWNSEND CREEK 8700 1.7 1.3 131 4.2 2.4 175
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Basin wide percent of average 149 145
BIGHORN BASIN
BALD MTN. 9380 3.7 3.2 116 4.0 2.8 143
BEAR TRAP MEADOW 8200 .9 .7 129 2.7 2.0 135
BLACKWATER 9780 3.3 3.6 92 3.7 3.2 116
BONE SPRINGS DIV 9350 4.4 3.0 147 4.5 2.8 161
EVENING STAR 9200 3.4 3.3 103* 4.6 3.4 135
GRAVE SPRINGS 8550 1.2 1.4 86 2.5 2.3 109
KIRWIN 9550 1.4 2.1 67 1.7 2.1 81
MARQUETTE 8760 1.0 2.2 45 1.6 2.6 62
MIDDLE POWDER 7760 1.5 1.6 94 2.7 2.9 93
OWL CREEK 8975 .5 1.0 50 .8 1.3 62
POWDER RIVER PASS 9480 3.4 1.5 227 4.3 2.2 195
SHELL CREEK 9580 3.7 3.0 123 3.6 2.3 157
SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142
SYLVAN ROAD 7120 1.3 .8 162* 3.0 2.6 115
TIMBER CREEK 7950 .0 1.3 0 .6 1.8 33
YOUNTS PEAK 8350 1.7 1.7 100* 2.8 2.2 127
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Basin wide percent of average 106 120
SHOSHONE RIVER
BLACKWATER 9780 3.3 3.6 92 3.7 3.2 116
EVENING STAR 9200 3.4 3.3 103* 4.6 3.4 135
KIRWIN 9550 1.4 2.1 67 1.7 2.1 81
MARQUETTE 8760 1.0 2.2 45 1.6 2.6 62
SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142
SYLVAN ROAD 7120 1.3 .8 162* 3.0 2.6 115
YOUNTS PEAK 8350 1.7 1.7 100* 2.8 2.2 127
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Basin wide percent of average 96* 114
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .9 .7 129 2.7 2.0 135
BIG GOOSE 7990 1.2 1.0 120* 2.7 2.3 117
BONE SPRINGS DIV 9350 4.4 3.0 147 4.5 2.8 161
BURGESS JUNCTION 7880 1.5 1.8 83 3.1 2.5 124
CLOUD PEAK RESERVOIR 9860 2.8 1.8 156 3.2 2.9 110
DOME LAKE 8880 2.6 2.2 118 3.5 2.8 125
GRAVE SPRINGS 8550 1.2 1.4 86 2.5 2.3 109
HANSEN SAWMILL 8360 .7 1.0 70 1.7 2.0 85
MIDDLE POWDER 7760 1.5 1.6 94 2.7 2.9 93
POWDER RIVER PASS 9480 3.4 1.5 227 4.3 2.2 195
SUCKER CREEK 8880 3.3 1.6 206 4.0 2.7 148
TIE CREEK 6870 .5 1.0 50 2.5 2.7 93
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Basin wide percent of average 129 124
BELLE FOURCHE
BLIND PARK 6890 .6 .8 75* 2.6 2.9 90
COLE CANYON 5910 .3 1.0 30 2.3 -M *
NORTH RAPID CREEK 6130 .5 .6 83* 2.0 2.7 74
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Basin wide percent of average 58* 82
UPPER N. PLATTE RIVER
COLUMBINE 9160 .6 1.3 46* 3.2 2.9 110
DIVIDE PEAK 8860 4.2 2.1 200 6.9 3.1 223
ELK RIVER 8700 1.0 .9 111* 4.2 2.6 162
JOE WRIGHT 10120 3.9 3.1 126 1.5 3.9 38
NORTH FRENCH CREEK 10130 4.1 3.7 111 4.6 3.9 118
OLD BATTLE 9920 7.9 3.7 214 9.2 4.3 214
SAGE CREEK BASIN 7850 1.6 1.2 133* 5.6 1.8 311
SOUTH BRUSH CREEK 8440 .8 1.0 80* 2.5 3.0 83
TOWER 10500 7.9 4.6 172* 7.0 4.8 146
WEBBER SPRINGS 9250 4.6 2.4 192* 6.5 3.7 176
WILLOW CREEK PASS 9540 2.3 1.5 153 2.2 2.3 96
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Basin wide percent of average 153* 147
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10220 1.7 2.6 65* 2.8 3.0 93
CASPER MTN. 7850 1.6 2.1 76 3.0 2.9 103
DEADMAN HILL 10220 3.9 2.6 150 3.0 2.9 103
DEER PARK 9700 6.6 2.9 228 7.5 3.0 250
LAPRELE CREEK 8375 .9 1.3 69 2.8 2.2 127
RENO HILL 8500 1.1 2.0 55 2.4 2.8 86
ROACH 9700 1.3 1.6 81* 3.0 2.7 111
SAND LAKE 10050 5.1 4.0 127 4.0 3.6 111
SOUTH PASS 9040 4.5 1.9 237 5.6 2.6 215
WINDY PEAK 7900 .1 .8 12* 1.8 2.0 90
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Basin wide percent of average 123 130
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .9 .7 129* 3.9 2.2 177
DIVIDE PEAK 8860 4.2 2.1 200 6.9 3.1 223
OLD BATTLE 9920 7.9 3.7 214 9.2 4.3 214
SANDSTONE RS 8150 1.2 .8 150* 4.9 2.7 181
WHISKEY PARK 8950 3.6 2.2 164* 5.5 3.5 157
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Basin wide percent of average 187* 192
UPPER GREEN RIVER
BIG SANDY OPENING 9080 5.1 1.5 340 5.4 2.1 257
BLIND BULL SUM 8900 3.7 2.2 168* 3.7 2.7 137
EAST RIM DIVIDE 7930 .8 .9 89* 2.2 1.6 138
ELKHART PARK G.S. 9400 3.6 1.1 327* 4.5 2.2 205
GROS VENTRE SUMMIT 8750 2.5 1.6 156 2.9 2.1 138
KENDALL R.S. 7740 1.9 .9 211* 3.5 1.8 194
LOOMIS PARK 8240 2.4 1.3 185* 3.5 2.2 159
NEW FORK LAKE 8340 1.5 .8 188* 2.6 1.8 144
SNIDER BASIN 8060 2.5 1.0 250* 3.6 2.0 180
SPRING CREEK DIVIDE 9000 5.0 2.0 250* 5.7 3.2 178
TRIPLE PEAK 8500 2.7 1.7 159* 4.1 2.7 152
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Basin wide percent of average 211* 171
LOWER GREEN RIVER
HAMS FORK 7840 1.9 .6 317* 3.8 1.7 224
HEWINTA 9500 -M 1.0 * 2.9 2.7 107
HICKERSON PARK 9100 1.4 .6 233* 3.9 1.9 205
HOLE-IN-ROCK 9150 1.7 .6 283* 3.7 1.8 206
INDIAN CREEK 9425 6.0 2.0 300* 6.2 3.1 200
KELLEY R.S. 8180 4.5 1.3 346* 5.7 2.6 219
STEEL CREEK PARK 10100 3.7 1.9 195 4.1 2.7 152
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Basin wide percent of average 274* 184
UPPER BEAR RIVER
BUG LAKE 7950 2.7 1.5 180* 5.0 2.7 185
HAYDEN FORK 9100 3.7 1.1 336* 7.0 2.9 241
KELLEY R.S. 8180 4.5 1.3 346* 5.7 2.6 219
LILY LAKE 9050 2.6 1.2 217* 5.1 2.8 182
MONTE CRISTO 8960 6.1 2.0 305* 7.2 3.3 218
SALT RIVER SUMMIT 7600 1.6 .6 267* 4.0 2.3 174
TRIAL LAKE 9960 7.0 2.3 304* 9.0 3.3 273
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Basin wide percent of average 282* 216
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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.