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: JUNE 10 , 1999
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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 .0 .0 100* 34.3 28.5 121
COTTONWOOD CREEK 7600 1.7 .0 * 40.2 31.7 127
GRANITE CREEK 6770 1.5 .7 215* 31.4 30.5 103
GRASSY LAKE 7265 15.9 4.3 368 54.8 47.3 117
GROS VENTRE SUMMIT 8775 1.5 .0 * 22.7 20.7 111
LEWIS LAKE DIVIDE 7860 21.4 7.1 301 50.2 48.0 105
PHILLIPS BENCH 8200 16.7 6.3 266 41.2 37.8 109
SALT RIVER SUMMIT 7600 .3 .0 * 25.4 21.9 116
SNAKE RIVER STATION 6920 -M .0 * -M 33.2 *
SPRING CREEK DIVIDE 9000 20.5 6.8 302 38.8 34.4 113
THUMB DIVIDE 7980 .0 .0 100* 30.7 26.7 116
TOGWOTEE PASS 9580 -M 17.2 * 38.7 36.0 108
TWO OCEAN PLATEAU 9360 34.4 18.2 190 41.0 39.3 105
WILLOW CREEK 8450 11.4 7.0 164 53.5 40.8 132
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Basin wide percent of average 242* 114
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 20.7 13.1 159 30.2 25.9 118
BLACK BEAR 7950 46.3 18.9 247 65.0 51.8 126
CANYON 7940 .0 .7 0* 25.2 19.7 128
FISHER CREEK 9100 35.3 25.2 141 47.3 48.3 98
MADISON PLATEAU 7750 -M 3.0 * 42.3 34.3 124
NORTHEAST ENTRANCE 7350 .0 .2 0* 20.2 17.4 117
PARKER PEAK 9400 16.4 14.0 118 -M 22.5 *
SYLVAN LAKE 8420 15.6 9.0 176 -M 27.4 *
THUMB DIVIDE 7980 .0 .0 100* 30.7 26.7 116
TWO OCEAN PLATEAU 9360 34.4 18.2 190 41.0 39.3 105
WHISKEY CREEK 6800 .2 .5 21* 34.3 28.7 120
WHITE MILL 8700 22.9 14.0 163 32.9 37.7 88
WOLVERINE 7650 .0 .0 100* 17.0 18.9 90
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Basin wide percent of average 170 111
WIND RIVER
BURROUGHS CREEK 8750 4.5 .9 551* 26.5 23.2 115
COLD SPRINGS 9630 1.0 .3 500* 26.7 16.9 159
DEER PARK 9700 15.9 -M * 36.3 -M *
HOBBS PARK 10100 18.2 5.6 324 31.4 21.7 146
LITTLE WARM 9620 1.7 .3 534* 27.5 19.9 139
SOUTH PASS 9040 -M 6.1 * 32.8 24.7 133
ST. LAWRENCE ALT 8620 .0 .2 0* 23.4 15.5 152
TOGWOTEE PASS 9580 -M 17.2 * 38.7 36.0 108
TOWNSEND CREEK 8700 .0 .7 0* 27.7 19.4 144
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Basin wide percent of average 326* 133
BIGHORN BASIN
BALD MTN. 9375 17.7 12.7 139 28.4 26.2 109
BEAR TRAP MEADOW 7900 .0 .0 100* 20.2 14.7 138
BLACKWATER 9780 30.7 11.9 261 34.2 25.2 136
BONE SPRINGS DIV 9350 10.1 4.5 225 28.7 23.2 124
EVENING STAR 9200 27.9 18.9 149 44.5 31.2 143
GRAVE SPRINGS 8550 .0 .9 0* 21.0 17.2 123
KIRWIN 9550 8.9 2.5 353 24.4 16.9 144
MARQUETTE 8760 8.4 2.0 416 24.4 18.2 135
MIDDLE POWDER 7760 .2 .0 12* 22.9 19.2 120
OWL CREEK 8975 .0 .2 0* 18.7 11.4 166
POWDER RIVER PASS 9480 .2 .5 21* 25.2 19.2 132
SHELL CREEK 9580 8.5 6.6 129 24.7 20.9 118
SYLVAN LAKE 8420 15.6 9.0 176 -M 27.4 *
SYLVAN ROAD 8120 -M .5 * -M 22.9 *
TIMBER CREEK 7950 .0 .2 0* 20.2 14.5 140
YOUNTS PEAK 8350 8.2 4.6 179 25.5 23.2 111
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Basin wide percent of average 182 130
SHOSHONE RIVER
BLACKWATER 9780 30.7 11.9 261 34.2 25.2 136
EVENING STAR 9200 27.9 18.9 149 44.5 31.2 143
KIRWIN 9550 8.9 2.5 353 24.4 16.9 144
MARQUETTE 8760 8.4 2.0 416 24.4 18.2 135
SYLVAN LAKE 8420 15.6 9.0 176 -M 27.4 *
SYLVAN ROAD 8120 -M .5 * -M 22.9 *
YOUNTS PEAK 8350 8.2 4.6 179 25.5 23.2 111
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Basin wide percent of average 205 134
POWDER-TONGUE
BEAR TRAP MEADOW 7900 .0 .0 100* 20.2 14.7 138
BIG GOOSE 7990 .0 -M * 21.7 -M *
BONE SPRINGS DIV 9350 10.1 4.5 225 28.7 23.2 124
BURGESS JUNCTION 7880 .0 .0 0* 20.9 18.5 113
CLOUD PEAK RESERVOIR 9860 8.2 5.1 161 28.7 22.4 129
DOME LAKE 8880 -M 2.0 * 20.4 21.0 98
GRAVE SPRINGS 8550 .0 .9 0* 21.0 17.2 123
HANSEN SAWMILL 8760 .0 .3 0* 19.7 14.0 141
MIDDLE POWDER 7760 .2 .0 12* 22.9 19.2 120
POWDER RIVER PASS 9480 .2 .5 21* 25.2 19.2 132
SUCKER CREEK 8880 .2 1.5 7 25.2 21.5 118
TIE CREEK 6870 .0 -M * 21.7 17.7 123
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Basin wide percent of average 129* 123
BELLE FOURCHE
BLIND PARK 6890 .2 .0 * 23.9 19.5 123
NORTH RAPID CREEK 6130 .2 -M * 21.4 -M *
WARREN PEAK 6520 .2 .2 100* -M 14.5 *
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Basin wide percent of average 100* 123*
UPPER N. PLATTE RIVER
COLUMBINE 9400 .0 1.0 0* 31.4 31.4 100
DIVIDE PEAK 8800 .0 1.4 0* 34.2 31.2 110
ELK RIVER 8700 .0 .2 0* 31.4 25.2 125
JOE WRIGHT 10120 10.7 10.9 100 37.2 35.8 104
NORTH FRENCH CREEK 10100 29.4 15.5 190 42.5 32.9 130
OLD BATTLE 10000 26.9 14.5 185 51.8 40.3 129
SOUTH BRUSH CREEK 8400 6.6 .5 1650* 29.5 24.2 123
TOWER 10500 39.3 33.5 118 53.2 50.2 106
WEBBER SPRINGS 9200 .0 5.0 0 37.8 34.4 110
WILLOW CREEK PASS 9540 .0 .9 0* 19.4 19.0 103
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Basin wide percent of average 136 114
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10240 12.4 7.3 171 35.5 27.7 129
CASPER MTN. 7900 .3 1.9 11* 25.9 23.7 110
DEADMAN HILL 10220 4.3 6.1 69 26.5 25.4 105
DEER PARK 9700 15.9 -M * 36.3 -M *
LAPRELE CREEK 8320 .0 .5 0* 26.2 18.9 139
RENO HILL 8400 .0 1.5 0* 28.9 25.2 116
ROACH 9700 1.2 3.4 36 29.0 30.9 94
SAND LAKE 10080 39.3 17.5 225 44.0 29.2 151
SOUTH PASS 9040 -M 6.1 * 32.8 24.7 133
WINDY PEAK 7840 .0 .0 100* 22.4 16.4 137
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Basin wide percent of average 151* 123
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .2 .0 * 24.9 21.2 117
DIVIDE PEAK 8800 .0 1.4 0* 34.2 31.2 110
OLD BATTLE 10000 26.9 14.5 185 51.8 40.3 129
SANDSTONE RS 8150 .0 .0 100* 28.7 26.4 109
WHISKEY PARK 8950 12.9 4.5 285 41.3 38.8 107
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Basin wide percent of average 196* 115
UPPER GREEN RIVER
BIG SANDY OPENING 9100 .0 .0 100* 22.2 21.2 106
BLIND BULL SUM 8650 21.9 11.6 189 31.4 30.0 105
EAST RIM DIVIDE 7930 .0 2.5 0 20.7 19.7 105
ELKHART PARK G.S. 9400 .9 1.7 50 23.7 20.7 115
GROS VENTRE SUMMIT 8775 1.5 .0 * 22.7 20.7 111
KENDALL R.S. 7740 .0 .0 100* 22.2 20.2 110
LOOMIS PARK 8240 -M .0 * 27.7 24.4 114
NEW FORK LAKE 8340 .0 .0 100* 19.4 18.9 104
SNIDER BASIN 8250 .0 .0 100* 25.0 19.7 127
SPRING CREEK DIVIDE 9000 20.5 6.8 302 38.8 34.4 113
TRIPLE PEAK 8500 7.0 5.3 133 41.4 39.7 105
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Basin wide percent of average 181* 110
LOWER GREEN RIVER
HAMS FORK 7840 .0 .0 100* 20.4 17.4 118
HEWINTA 9500 .0 .0 100* 21.9 19.7 112
HICKERSON PARK 9150 .3 .0 * 16.7 16.0 105
HOLE-IN-ROCK 9150 .0 .2 0* 17.2 16.0 109
INDIAN CREEK 9425 23.5 6.3 374 37.2 32.9 113
KELLEY R.S. 8180 .0 .0 100* 27.2 24.4 112
STEEL CREEK PARK 10100 13.6 6.8 203 26.2 20.9 125
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Basin wide percent of average 284* 114
UPPER BEAR RIVER
BUG LAKE 7950 .2 .0 12* 31.9 25.4 126
HAYDEN FORK 9400 .0 .0 100* 30.7 26.9 115
KELLEY R.S. 8180 .0 .0 100* 27.2 24.4 112
LILY LAKE 9050 .0 .5 0* 27.4 21.9 126
MONTE CRISTO 8960 14.2 6.0 237 41.3 34.4 120
SALT RIVER SUMMIT 7600 .3 .0 * 25.4 21.9 116
TRIAL LAKE 9960 11.7 7.0 170 34.2 32.4 106
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Basin wide percent of average 184* 117
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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.