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 MONDAY: OCTOBER 9 , 2006
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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 .1 0* 1.1 .5 220
COTTONWOOD CREEK 7600 .0 .1 0* .9 .8 112
GRANITE CREEK 6770 .1 .1 100* 1.3 .5 260
GRASSY LAKE 7265 .2 .2 100* 2.7 .9 300
GROS VENTRE SUMMIT 8750 .1 .3 33* .9 .5 180
LEWIS LAKE DIVIDE 7850 -M .1 * 1.8 .9 200
PHILLIPS BENCH 8200 .0 .1 0* 1.5 .6 250
SALT RIVER SUMMIT 7600 .0 .0 100* .8 .5 160
SNAKE RIVER STATION 6920 .0 .0 100* 1.8 .6 300
SPRING CREEK DIVIDE 9000 .0 .2 0* 1.0 .7 143
THUMB DIVIDE 7980 .0 .1 0* 1.2 .5 240
TOGWOTEE PASS 9580 .0 .6 0* .7 .7 100
TWO OCEAN PLATEAU 9240 .1 .7 14* 1.2 .8 150
WILLOW CREEK 8450 .1 .2 50* 1.2 1.0 120
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Basin wide percent of average 22* 191
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 -M .9 * .9 .6 150
BLACK BEAR 8170 .4 .6 67* 2.7 .9 300
CANYON 8090 .2 .2 100* 1.6 .5 320
FISHER CREEK 9100 .2 .7 29* 1.6 .9 178
MADISON PLATEAU 7750 .2 .3 67* 1.8 .7 257
NORTHEAST ENTRANCE 7350 .0 .1 0* 1.8 .4 450
PARKER PEAK 9400 .5 .9 56* 1.4 .6 233
SYLVAN LAKE 8420 .0 .7 0* 2.4 .7 343
THUMB DIVIDE 7980 .0 .1 0* 1.2 .5 240
TWO OCEAN PLATEAU 9240 .1 .7 14* 1.2 .8 150
WHISKEY CREEK 6800 .2 .1 200* -M .6 *
WHITE MILL 8700 .1 .5 20* 1.8 .7 257
WOLVERINE 7650 .0 .1 0* .8 .5 160
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Basin wide percent of average 38* 246
WIND RIVER
BURROUGHS CREEK 8750 .2 .3 67* .4 .4 100
COLD SPRINGS 9630 .0 .2 0* .2 .5 40
DEER PARK 9700 .1 .6 17* 1.1 .7 157
HOBBS PARK 10100 .2 .5 40* .2 .6 33
LITTLE WARM 9370 .0 .3 0* .5 .5 100
SOUTH PASS 9040 .0 .3 0* 1.0 .6 167
ST. LAWRENCE ALT 8620 .1 .1 100* .4 .5 80
TOGWOTEE PASS 9580 .0 .6 0* .7 .7 100
TOWNSEND CREEK 8700 .3 .2 150* .9 .6 150
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Basin wide percent of average 29* 106
BIGHORN BASIN
BALD MTN. 9380 1.2 1.1 109* .5 .6 83
BEAR TRAP MEADOW 8200 .0 .2 0* .2 .5 40
BLACKWATER 9780 .3 1.1 27* .8 .7 114
BONE SPRINGS DIV 9350 2.0 1.0 200* .9 .7 129
EVENING STAR 9200 .3 .9 33* 1.1 .7 157
GRAVE SPRINGS 8550 .0 .2 0* .3 .6 50
KIRWIN 9550 .3 .6 50* .8 .5 160
MARQUETTE 8760 .1 .7 14* .6 .6 100
MIDDLE POWDER 7760 .3 .4 75* .4 .7 57
OWL CREEK 8975 .1 .3 33* .5 .3 167
POWDER RIVER PASS 9480 .3 .4 75* .6 .5 120
SHELL CREEK 9580 2.6 1.2 217* .8 .5 160
SYLVAN LAKE 8420 .0 .7 0* 2.4 .7 343
SYLVAN ROAD 7120 .2 .1 200* 1.5 .6 250
TIMBER CREEK 7950 .0 .1 0* .8 .4 200
YOUNTS PEAK 8350 .0 .4 0* 1.0 .5 200
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Basin wide percent of average 82* 145
SHOSHONE RIVER
BLACKWATER 9780 .3 1.1 27* .8 .7 114
EVENING STAR 9200 .3 .9 33* 1.1 .7 157
KIRWIN 9550 .3 .6 50* .8 .5 160
MARQUETTE 8760 .1 .7 14* .6 .6 100
SYLVAN LAKE 8420 .0 .7 0* 2.4 .7 343
SYLVAN ROAD 7120 .2 .1 200* 1.5 .6 250
YOUNTS PEAK 8350 .0 .4 0* 1.0 .5 200
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Basin wide percent of average 27* 191
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .0 .2 0* .2 .5 40
BIG GOOSE 7990 .0 .2 0* .1 .6 17
BONE SPRINGS DIV 9350 2.0 1.0 200* .9 .7 129
BURGESS JUNCTION 7880 .0 .5 0* .7 .6 117
CLOUD PEAK RESERVOIR 9860 .2 .3 67* .3 .7 43
DOME LAKE 8880 .0 .5 0* .5 .7 71
GRAVE SPRINGS 8550 .0 .2 0* .3 .6 50
HANSEN SAWMILL 8360 .2 .2 100* .1 .5 20
MIDDLE POWDER 7760 .3 .4 75* .4 .7 57
POWDER RIVER PASS 9480 .3 .4 75* .6 .5 120
SUCKER CREEK 8880 .1 .4 25* .6 .6 100
TIE CREEK 6870 .0 .0 100* .7 .7 100
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Basin wide percent of average 72* 73
BELLE FOURCHE
BLIND PARK 6890 -M .0 * .0 .7 0
COLE CANYON 5910 .0 .0 100* -M -M *
NORTH RAPID CREEK 6130 -M .1 * .0 .7 0
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Basin wide percent of average * 0
UPPER N. PLATTE RIVER
COLUMBINE 9160 .1 .0 * .6 .6 100
DIVIDE PEAK 8860 .0 .4 0* 1.2 .7 171
ELK RIVER 8700 .3 .1 300* .6 .6 100
JOE WRIGHT 10120 .0 .5 0* .5 .9 56
NORTH FRENCH CREEK 10130 .1 .8 12* 1.0 .9 111
OLD BATTLE 9920 .1 .7 14* 1.2 1.0 120
SAGE CREEK BASIN 7850 .2 .2 100* 1.0 .4 250
SOUTH BRUSH CREEK 8440 .0 .1 0* .3 .7 43
TOWER 10500 .1 .6 17* 1.2 1.1 109
WEBBER SPRINGS 9250 .1 .3 33* 1.3 .8 162
WILLOW CREEK PASS 9540 .0 .2 0* .0 .5 0
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Basin wide percent of average 23* 109
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10220 .2 .6 33* .5 .7 71
CASPER MTN. 7850 .1 .3 33* .0 .7 0
DEADMAN HILL 10220 -M .6 * .3 .7 43
DEER PARK 9700 .1 .6 17* 1.1 .7 157
LAPRELE CREEK 8375 .1 .2 50* .0 .5 0
RENO HILL 8500 .0 .4 0* .2 .7 29
ROACH 9700 .1 .2 50* .5 .6 83
SAND LAKE 10050 .1 .9 11* .9 .8 112
SOUTH PASS 9040 .0 .3 0* 1.0 .6 167
WINDY PEAK 7900 .2 .1 200* .0 .5 0
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Basin wide percent of average 25* 69
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .2 .0 * .7 .5 140
DIVIDE PEAK 8860 .0 .4 0* 1.2 .7 171
OLD BATTLE 9920 .1 .7 14* 1.2 1.0 120
SANDSTONE RS 8150 .0 .1 0* -M .6 *
WHISKEY PARK 8950 .0 .3 0* .9 .8 112
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Basin wide percent of average 7* 133
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .1 .2 50* 1.0 .5 200
BLIND BULL SUM 8900 .1 .2 50* .9 .6 150
EAST RIM DIVIDE 7930 .0 .0 100* .9 .4 225
ELKHART PARK G.S. 9400 .0 .1 0* 1.3 .5 260
GROS VENTRE SUMMIT 8750 .1 .3 33* .9 .5 180
KENDALL R.S. 7740 .0 .0 100* 1.2 .4 300
LOOMIS PARK 8240 .0 .1 0* 1.0 .5 200
NEW FORK LAKE 8340 .0 .0 100* 1.0 .4 250
SNIDER BASIN 8060 .0 .1 0* .7 .4 175
SPRING CREEK DIVIDE 9000 .0 .2 0* 1.0 .7 143
TRIPLE PEAK 8500 .1 .1 100* .8 .6 133
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Basin wide percent of average 31* 195
LOWER GREEN RIVER
HAMS FORK 7840 .0 .0 100* .8 .4 200
HEWINTA 9500 .0 .2 0* .9 .6 150
HICKERSON PARK 9100 .1 .0 * .2 .5 40
HOLE-IN-ROCK 9150 .0 .0 100* .5 .4 125
INDIAN CREEK 9425 .0 .2 0* 1.0 .7 143
KELLEY R.S. 8180 .0 .1 0* .9 .6 150
STEEL CREEK PARK 10100 .5 .6 83* .9 .6 150
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Basin wide percent of average 45* 137
UPPER BEAR RIVER
BUG LAKE 7950 .2 .4 50* .9 .6 150
HAYDEN FORK 9100 .0 .3 0* 2.2 .6 367
KELLEY R.S. 8180 .0 .1 0* .9 .6 150
LILY LAKE 9050 .0 .3 0* 1.2 .6 200
MONTE CRISTO 8960 .0 .5 0* 1.6 .7 229
SALT RIVER SUMMIT 7600 .0 .0 100* .8 .5 160
TRIAL LAKE 9960 .0 .6 0* 2.3 .7 329
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Basin wide percent of average 9* 230
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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.