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 7 , 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 -M 8.8 * -M 12.2 *
COTTONWOOD CREEK 7600 17.8 10.0 178 19.7 12.9 153
GRANITE CREEK 6770 -M 8.3 * -M 12.8 *
GRASSY LAKE 7265 -M 16.1 * -M 19.8 *
GROS VENTRE SUMMIT 8775 -M 7.7 * -M 8.7 *
LEWIS LAKE DIVIDE 7860 34.3 15.7 218 35.6 20.1 177
PHILLIPS BENCH 8200 -M 13.1 * -M 15.7 *
SALT RIVER SUMMIT 7600 14.0 5.9 237 15.6 9.2 170
SNAKE RIVER STATION 6920 15.9 8.6 185 -M 13.9 *
SPRING CREEK DIVIDE 9000 24.1 12.9 187 19.9 14.5 137
THUMB DIVIDE 7980 22.3 8.1 275 20.7 11.4 182
TOGWOTEE PASS 9580 22.0 12.3 179 21.5 15.0 143
TWO OCEAN PLATEAU 9360 -M 13.8 * -M 16.9 *
WILLOW CREEK 8450 -M 14.5 * -M 17.0 *
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Basin wide percent of average 205 160*
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 -M 12.4 * -M 9.2 *
BLACK BEAR 7950 44.6 17.4 256 20.4 19.0 107
CANYON 7940 -M 5.9 * -M 7.5 *
FISHER CREEK 9100 -M 17.4 * -M 17.7 *
MADISON PLATEAU 7750 -M 11.3 * -M 12.8 *
NORTHEAST ENTRANCE 7350 7.0 4.5 156 12.9 6.3 205
PARKER PEAK 9400 -M 11.4 * -M 8.2 *
SYLVAN LAKE 8420 -M 11.7 * -M 10.5 *
THUMB DIVIDE 7980 22.3 8.1 275 20.7 11.4 182
TWO OCEAN PLATEAU 9360 -M 13.8 * -M 16.9 *
WHISKEY CREEK 6800 -M 7.9 * -M 10.6 *
WHITE MILL 8700 -M 12.6 * -M 14.1 *
WOLVERINE 7650 9.5 5.8 164 10.5 6.9 152
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Basin wide percent of average 233* 148*
WIND RIVER
BURROUGHS CREEK 8750 16.5 7.8 212 16.9 8.7 194
CHRISTINA LAKE 9980 -M 8.1 * -M 8.9 *
COLD SPRINGS 9630 -M 4.7 * -M 5.8 *
HOBBS PARK 10100 -M 8.2 * -M 7.3 *
LITTLE WARM 9620 12.0 5.5 218 13.2 7.0 189
SOUTH PASS 9040 -M 8.9 * -M 8.5 *
ST. LAWRENCE ALT 8620 4.9 3.6 136 6.3 5.3 119
TOGWOTEE PASS 9580 22.0 12.3 179 21.5 15.0 143
TOWNSEND CREEK 8700 6.1 4.8 127 7.4 6.2 119
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Basin wide percent of average 181 155
BIGHORN BASIN
BALD MTN. 9375 11.7 11.0 106 9.3 9.3 100
BEAR TRAP MEADOW 7900 3.8 3.9 97 5.0 4.5 111
BLACKWATER 9780 -M 10.8 * -M 9.5 *
BONE SPRINGS DIV 9350 -M 8.4 * -M 7.4 *
EVENING STAR 9200 27.3 14.0 195 25.0 11.7 214
GRAVE SPRINGS 8550 6.9 -M * 7.0 5.4 130
KIRWIN 9550 -M 5.5 * -M 5.5 *
LOST CREEK 8080 8.2 6.3 130 8.9 6.2 144
MARQUETTE 8760 6.6 4.1 161 7.1 4.9 145
MIDDLE POWDER 7760 8.6 6.2 139 8.0 6.3 127
OWL CREEK 8975 -M 2.1 * -M 3.0 *
POWDER RIVER PASS 9480 -M 5.5 * -M 6.0 *
SHELL CREEK 9580 -M 8.1 * -M 6.9 *
SYLVAN LAKE 8420 -M 11.7 * -M 10.5 *
SYLVAN ROAD 8120 12.4 6.3 197 18.7 8.6 217
TIMBER CREEK 7950 -M 2.7 * -M 3.5 *
YOUNTS PEAK 8350 -M 9.6 * -M 8.6 *
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Basin wide percent of average 152* 156*
SHOSHONE RIVER
BLACKWATER 9780 -M 10.8 * -M 9.5 *
EVENING STAR 9200 27.3 14.0 195 25.0 11.7 214
KIRWIN 9550 -M 5.5 * -M 5.5 *
MARQUETTE 8760 6.6 4.1 161 7.1 4.9 145
SYLVAN LAKE 8420 -M 11.7 * -M 10.5 *
SYLVAN ROAD 8120 12.4 6.3 197 18.7 8.6 217
YOUNTS PEAK 8350 -M 9.6 * -M 8.6 *
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Basin wide percent of average 190* 202*
POWDER-TONGUE
BEAR TRAP MEADOW 7900 3.8 3.9 97 5.0 4.5 111
BONE SPRINGS DIV 9350 -M 8.4 * -M 7.4 *
BURGESS JUNCTION 7880 7.3 5.9 124 7.4 5.9 125
CLOUD PEAK RESERVOIR 9860 10.4 6.1 170 8.8 6.5 135
DOME LAKE 8880 -M 6.9 * -M 7.2 *
GRAVE SPRINGS 8550 6.9 -M * 7.0 5.4 130
HANSEN SAWMILL 8760 4.3 3.6 119 4.8 4.1 117
LOST CREEK 8080 8.2 6.3 130 8.9 6.2 144
MIDDLE POWDER 7760 8.6 6.2 139 8.0 6.3 127
POWDER RIVER PASS 9480 -M 5.5 * -M 6.0 *
SUCKER CREEK 8880 8.2 5.6 146 7.8 6.9 113
TIE CREEK 6870 4.4 -M * 6.5 5.7 114
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Basin wide percent of average 135 125
BELLE FOURCHE
BLIND PARK 6890 7.2 5.7 126 11.0 5.1 216
NORTH RAPID CREEK 6130 7.8 -M * 9.7 -M *
WARREN PEAK 6520 -M 5.7 * -M 4.2 *
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Basin wide percent of average 126* 216*
UPPER N. PLATTE RIVER
COLUMBINE 9400 -M 11.1 * -M 11.9 *
DIVIDE PEAK 8800 15.5 10.3 150 15.7 12.7 124
ELK RIVER 8700 15.2 9.0 169 14.7 9.5 155
JOE WRIGHT 10120 13.6 11.1 123 17.3 12.5 138
NORTH FRENCH CREEK 10100 19.4 12.3 158 18.3 11.7 156
OLD BATTLE 10000 26.0 15.9 164 26.5 15.2 174
SOUTH BRUSH CREEK 8400 -M 5.3 * -M 10.1 *
TOWER 10500 -M 23.0 * -M 18.1 *
WEBBER SPRINGS 9200 -M 13.3 * -M 13.9 *
WILLOW CREEK PASS 9540 11.5 6.0 192 8.2 6.4 128
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Basin wide percent of average 157 148
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 20.2 12.9 157 15.9 9.3 171
CASPER MTN. 7900 12.8 7.8 164 12.3 7.4 166
CHRISTINA LAKE 9980 -M 8.1 * -M 8.9 *
DEADMAN HILL 10220 8.6 8.6 100 9.8 8.0 123
LAPRELE CREEK 8320 9.7 5.1 190 8.8 5.6 157
RENO HILL 8400 12.5 6.7 187 12.0 10.0 120
ROACH 9700 -M 8.4 * -M 11.0 *
SAND LAKE 10080 21.7 16.3 133 17.2 10.1 170
SOUTH PASS 9040 -M 8.9 * -M 8.5 *
WINDY PEAK 7840 6.2 3.5 177 6.7 4.4 152
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Basin wide percent of average 151 151
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 -M 5.5 * -M 8.2 *
DIVIDE PEAK 8800 15.5 10.3 150 15.7 12.7 124
OLD BATTLE 10000 26.0 15.9 164 26.5 15.2 174
SANDSTONE RS 8150 -M 6.8 * -M 9.8 *
WHISKEY PARK 8950 21.0 14.0 150 18.0 13.4 134
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Basin wide percent of average 155 146
UPPER GREEN RIVER
BIG SANDY OPENING 9100 12.9 6.8 190 12.1 8.9 136
BLIND BULL SUM 8650 27.0 13.9 194 20.6 12.0 172
EAST RIM DIVIDE 7930 11.0 6.4 172 11.8 8.3 142
ELKHART PARK G.S. 9400 -M 6.5 * -M 8.7 *
GROS VENTRE SUMMIT 8775 -M 7.7 * -M 8.7 *
KENDALL R.S. 7740 17.4 6.8 256 17.2 8.5 202
LOOMIS PARK 8240 16.7 8.0 209 17.6 10.3 171
NEW FORK LAKE 8340 10.9 5.3 206 9.7 7.9 123
SNIDER BASIN 8250 14.4 6.8 212 13.2 8.3 159
SPRING CREEK DIVIDE 9000 24.1 12.9 187 19.9 14.5 137
TRIPLE PEAK 8500 -M 12.2 * -M 17.0 *
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Basin wide percent of average 201 155
LOWER GREEN RIVER
HAMS FORK 7840 11.2 5.2 215 9.5 7.3 130
HEWINTA 9500 -M 4.4 * -M 6.8 *
HICKERSON PARK 9150 4.8 2.8 171 5.4 5.0 108
HOLE-IN-ROCK 9150 4.8 2.5 192 5.8 5.0 116
INDIAN CREEK 9425 24.5 13.0 188 19.4 13.7 142
KELLEY R.S. 8180 16.6 7.5 221 20.2 10.2 198
STEEL CREEK PARK 10100 9.3 7.8 119 9.3 7.1 131
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Basin wide percent of average 184 144
UPPER BEAR RIVER
BUG LAKE 7950 21.1 9.7 218 20.6 10.1 204
HAYDEN FORK 9400 12.1 7.6 159 16.0 9.4 170
KELLEY R.S. 8180 16.6 7.5 221 20.2 10.2 198
LILY LAKE 9050 11.6 6.6 176 12.2 7.6 161
MONTE CRISTO 8960 25.7 12.4 207 22.2 13.1 169
SALT RIVER SUMMIT 7600 14.0 5.9 237 15.6 9.2 170
TRIAL LAKE 9960 22.2 12.0 185 -M 11.8 *
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Basin wide percent of average 200 179
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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.