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 TUESDAY: JANUARY 14 , 1997
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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 18.7 9.9 189 23.0 13.3 173
COTTONWOOD CREEK 7600 20.4 11.3 181 22.4 14.2 158
GRANITE CREEK 6770 20.5 9.6 214 22.5 14.1 160
GRASSY LAKE 7265 -M 18.2 * -M 21.6 *
GROS VENTRE SUMMIT 8775 15.4 8.6 179 13.4 9.5 141
LEWIS LAKE DIVIDE 7860 35.5 17.9 198 35.6 22.0 162
PHILLIPS BENCH 8200 28.2 15.0 188 27.7 17.2 161
SALT RIVER SUMMIT 7600 15.1 6.9 219 16.5 10.1 163
SNAKE RIVER STATION 6920 16.7 9.8 170 -M 15.2 *
SPRING CREEK DIVIDE 9000 25.4 14.5 175 20.0 15.9 126
THUMB DIVIDE 7980 22.8 9.2 248 21.0 12.5 168
TOGWOTEE PASS 9580 23.9 13.7 174 21.6 16.4 132
TWO OCEAN PLATEAU 9360 30.8 15.1 204 28.7 18.4 156
WILLOW CREEK 8450 29.1 16.5 176 28.2 18.6 152
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Basin wide percent of average 191 154
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 24.4 13.5 181 20.2 10.0 202
BLACK BEAR 7950 46.1 19.5 236 -M 21.1 *
CANYON 7940 16.3 6.7 243 17.3 8.2 211
FISHER CREEK 9100 39.8 19.5 204 35.2 19.6 180
MADISON PLATEAU 7750 27.7 12.8 216 26.7 14.0 191
NORTHEAST ENTRANCE 7350 7.8 5.1 153 13.8 6.8 203
PARKER PEAK 9400 21.7 12.3 176 14.8 8.8 168
SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179
THUMB DIVIDE 7980 22.8 9.2 248 21.0 12.5 168
TWO OCEAN PLATEAU 9360 30.8 15.1 204 28.7 18.4 156
WHISKEY CREEK 6800 16.5 8.9 185 23.7 11.7 203
WHITE MILL 8700 26.6 13.9 191 -M 15.5 *
WOLVERINE 7650 10.3 6.4 161 11.3 7.4 153
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Basin wide percent of average 201 181
WIND RIVER
BURROUGHS CREEK 8750 17.1 8.6 199 16.9 9.4 180
CHRISTINA LAKE 9980 14.5 8.8 165 15.6 9.4 166
COLD SPRINGS 9630 6.8 5.1 133 7.9 6.1 130
HOBBS PARK 10100 11.8 8.8 134 9.4 7.9 119
LITTLE WARM 9620 12.4 6.0 207 13.6 7.6 179
SOUTH PASS 9040 19.1 9.7 197 18.3 9.2 199
ST. LAWRENCE ALT 8620 5.5 3.9 141 6.6 5.5 120
TOGWOTEE PASS 9580 23.9 13.7 174 21.6 16.4 132
TOWNSEND CREEK 8700 6.9 5.2 133 8.2 6.6 124
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Basin wide percent of average 169 151
BIGHORN BASIN
BALD MTN. 9375 13.8 11.9 116 11.4 10.0 114
BEAR TRAP MEADOW 7900 5.0 4.2 119 5.9 4.8 123
BLACKWATER 9780 25.4 11.8 215 18.6 10.2 182
BONE SPRINGS DIV 9350 11.5 9.1 126 9.9 7.9 125
EVENING STAR 9200 28.2 15.2 186 25.0 12.7 197
GRAVE SPRINGS 8550 8.1 -M * 8.0 5.6 143
KIRWIN 9550 10.8 5.8 186 11.9 5.9 202
LOST CREEK 8080 9.8 6.8 144 10.7 6.6 162
MARQUETTE 8760 6.9 4.4 157 7.4 5.2 142
MIDDLE POWDER 7760 10.7 6.7 160 9.8 6.8 144
OWL CREEK 8975 5.1 2.4 213 4.3 3.2 134
POWDER RIVER PASS 9480 6.6 5.9 112 7.9 6.5 122
SHELL CREEK 9580 11.0 8.8 125 8.7 7.4 118
SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179
SYLVAN ROAD 8120 13.1 6.9 190 19.4 9.3 209
TIMBER CREEK 7950 4.2 3.0 140 4.6 3.7 124
YOUNTS PEAK 8350 15.6 10.4 150 19.1 9.4 203
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Basin wide percent of average 158 160
SHOSHONE RIVER
BLACKWATER 9780 25.4 11.8 215 18.6 10.2 182
EVENING STAR 9200 28.2 15.2 186 25.0 12.7 197
KIRWIN 9550 10.8 5.8 186 11.9 5.9 202
MARQUETTE 8760 6.9 4.4 157 7.4 5.2 142
SYLVAN LAKE 8420 21.8 12.7 172 20.0 11.2 179
SYLVAN ROAD 8120 13.1 6.9 190 19.4 9.3 209
YOUNTS PEAK 8350 15.6 10.4 150 19.1 9.4 203
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Basin wide percent of average 181 190
POWDER-TONGUE
BEAR TRAP MEADOW 7900 5.0 4.2 119 5.9 4.8 123
BONE SPRINGS DIV 9350 11.5 9.1 126 9.9 7.9 125
BURGESS JUNCTION 7880 8.1 6.4 127 8.3 6.2 134
CLOUD PEAK RESERVOIR 9860 11.8 6.6 179 9.9 6.9 143
DOME LAKE 8880 7.7 7.5 103 8.9 7.7 116
GRAVE SPRINGS 8550 8.1 -M * 8.0 5.6 143
HANSEN SAWMILL 8760 4.5 3.9 115 5.2 4.4 118
LOST CREEK 8080 9.8 6.8 144 10.7 6.6 162
MIDDLE POWDER 7760 10.7 6.7 160 9.8 6.8 144
POWDER RIVER PASS 9480 6.6 5.9 112 7.9 6.5 122
SUCKER CREEK 8880 9.4 6.1 154 9.2 7.4 124
TIE CREEK 6870 5.4 -M * 7.6 6.0 127
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Basin wide percent of average 135 132
BELLE FOURCHE
BLIND PARK 6890 7.5 6.1 123 11.3 5.3 213
NORTH RAPID CREEK 6130 7.2 -M * 9.7 -M *
WARREN PEAK 6520 12.7 6.1 208 7.9 4.4 180
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Basin wide percent of average 166 198
UPPER N. PLATTE RIVER
COLUMBINE 9400 17.5 12.6 139 17.2 13.1 131
DIVIDE PEAK 8800 16.7 11.3 148 17.0 13.7 124
ELK RIVER 8700 18.9 10.1 187 18.1 10.4 174
JOE WRIGHT 10120 16.6 12.0 138 20.7 13.7 151
NORTH FRENCH CREEK 10100 22.7 13.4 169 20.7 12.7 163
OLD BATTLE 10000 28.8 17.2 167 26.9 16.4 164
SOUTH BRUSH CREEK 8400 -M 5.8 * 12.2 10.2 120
TOWER 10500 40.0 24.4 164 29.1 19.8 147
WEBBER SPRINGS 9200 21.5 14.5 148 24.9 14.6 171
WILLOW CREEK PASS 9540 12.9 6.4 202 10.1 6.8 149
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Basin wide percent of average 160 150
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 22.6 13.9 163 -M 10.1 *
CASPER MTN. 7900 12.9 8.1 159 12.7 7.7 165
CHRISTINA LAKE 9980 14.5 8.8 165 15.6 9.4 166
DEADMAN HILL 10220 10.5 9.4 112 11.9 8.6 138
LAPRELE CREEK 8320 9.9 5.5 180 9.6 6.1 157
RENO HILL 8400 14.7 7.2 204 12.6 10.4 121
ROACH 9700 15.5 9.2 168 15.7 11.9 132
SAND LAKE 10080 23.8 17.8 134 18.9 10.9 173
SOUTH PASS 9040 19.1 9.7 197 18.3 9.2 199
WINDY PEAK 7840 6.6 3.7 178 8.0 4.9 163
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Basin wide percent of average 161 156
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 11.4 6.0 190 12.9 8.9 145
DIVIDE PEAK 8800 16.7 11.3 148 17.0 13.7 124
OLD BATTLE 10000 28.8 17.2 167 26.9 16.4 164
SANDSTONE RS 8150 13.6 7.6 179 16.0 10.8 148
WHISKEY PARK 8950 24.4 15.3 159 20.6 15.2 136
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Basin wide percent of average 165 144
UPPER GREEN RIVER
BIG SANDY OPENING 9100 13.9 7.7 181 13.0 9.8 133
BLIND BULL SUM 8650 28.1 15.6 180 20.5 13.4 153
EAST RIM DIVIDE 7930 11.5 7.3 158 12.4 9.1 136
ELKHART PARK G.S. 9400 14.0 7.3 192 13.6 9.6 142
GROS VENTRE SUMMIT 8775 15.4 8.6 179 13.4 9.5 141
KENDALL R.S. 7740 17.2 7.9 218 17.6 9.3 189
LOOMIS PARK 8240 16.2 9.1 178 17.7 11.3 157
NEW FORK LAKE 8340 11.3 6.1 185 10.2 8.7 117
SNIDER BASIN 8250 15.9 7.8 204 14.1 9.1 155
SPRING CREEK DIVIDE 9000 25.4 14.5 175 20.0 15.9 126
TRIPLE PEAK 8500 25.0 13.8 181 26.1 18.6 140
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Basin wide percent of average 183 144
LOWER GREEN RIVER
HAMS FORK 7840 12.4 6.2 200 10.9 8.0 136
HEWINTA 9500 8.8 5.0 176 9.6 7.2 133
HICKERSON PARK 9150 4.9 3.0 163 6.4 5.3 121
HOLE-IN-ROCK 9150 5.8 2.7 215 6.6 5.3 125
INDIAN CREEK 9425 27.6 14.6 189 19.5 15.0 130
KELLEY R.S. 8180 17.8 8.5 209 20.5 11.2 183
STEEL CREEK PARK 10100 10.8 8.4 129 10.6 7.6 139
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Basin wide percent of average 182 141
UPPER BEAR RIVER
BUG LAKE 7950 21.7 10.8 201 21.4 10.9 196
HAYDEN FORK 9400 13.6 8.6 158 17.8 10.1 176
KELLEY R.S. 8180 17.8 8.5 209 20.5 11.2 183
LILY LAKE 9050 12.6 7.1 177 13.5 8.2 165
MONTE CRISTO 8960 27.9 14.1 198 23.2 14.1 165
SALT RIVER SUMMIT 7600 15.1 6.9 219 16.5 10.1 163
TRIAL LAKE 9960 24.4 13.4 182 -M 12.8 *
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Basin wide percent of average 192 175
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-M = Missing data
* = Data may not provide a valid measure of conditions.
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 1961-90.
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.