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 WEDNESDAY: OCTOBER 5 , 2005
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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 .2 .0 * 1.3 .3 433
COTTONWOOD CREEK 7600 1.0 .0 * 1.6 .4 400
GRANITE CREEK 6770 .0 .0 100* .6 .2 300
GRASSY LAKE 7265 1.0 .1 1000* 1.8 .5 360
GROS VENTRE SUMMIT 8750 .7 .2 350* 1.1 .2 550
LEWIS LAKE DIVIDE 7850 .7 .0 * 1.5 .4 375
PHILLIPS BENCH 8200 .4 .1 400* 1.0 .3 333
SALT RIVER SUMMIT 7600 .4 .0 * .7 .3 233
SNAKE RIVER STATION 6920 .2 .0 * 1.1 .3 367
SPRING CREEK DIVIDE 9000 .4 .1 400* .7 .3 233
THUMB DIVIDE 7980 .3 .0 * 1.1 .3 367
TOGWOTEE PASS 9580 1.5 .3 500* 1.8 .4 450
TWO OCEAN PLATEAU 9240 1.6 .3 533* 1.8 .4 450
WILLOW CREEK 8450 1.7 .1 1700* 2.3 .5 460
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Basin wide percent of average 608* 383
UPPER YELLOWSTONE-MADISON
BEARTOOTH LAKE 9275 -M .7 * -M .3 *
BLACK BEAR 8170 -M .4 * -M .5 *
CANYON 8090 .8 .1 800* .8 .2 400
FISHER CREEK 9100 1.0 .5 200* .7 .4 175
MADISON PLATEAU 7750 1.0 .3 333* 1.4 .3 467
NORTHEAST ENTRANCE 7350 .0 .0 100* .6 .2 300
PARKER PEAK 9400 1.0 .7 143* 1.0 .3 333
SYLVAN LAKE 8420 .9 .5 180* 1.5 .3 500
THUMB DIVIDE 7980 .3 .0 * 1.1 .3 367
TWO OCEAN PLATEAU 9240 1.6 .3 533* 1.8 .4 450
WHISKEY CREEK 6800 .6 .1 600* .8 .3 267
WHITE MILL 8700 .7 .3 233* .8 .4 200
WOLVERINE 7650 .1 .0 * .4 .2 200
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Basin wide percent of average 271* 330
WIND RIVER
BURROUGHS CREEK 8750 1.2 .2 600* 1.2 .2 600
COLD SPRINGS 9630 -M .2 * -M .3 *
DEER PARK 9700 .9 .4 225* 1.0 .3 333
HOBBS PARK 10100 1.0 .4 250* 1.7 .3 567
LITTLE WARM 9370 1.6 .3 533* -M .2 *
SOUTH PASS 9040 .8 .2 400* 1.3 .3 433
ST. LAWRENCE ALT 8620 .9 .1 900* 1.6 .2 800
TOGWOTEE PASS 9580 1.5 .3 500* 1.8 .4 450
TOWNSEND CREEK 8700 .9 .1 900* 1.6 .3 533
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Basin wide percent of average 440* 510
BIGHORN BASIN
BALD MTN. 9380 1.6 .9 178* 1.3 .3 433
BEAR TRAP MEADOW 8200 .9 .1 900* 1.6 .2 800
BLACKWATER 9780 .7 .9 78* 1.1 .4 275
BONE SPRINGS DIV 9350 -M .7 * -M .3 *
EVENING STAR 9200 1.0 .6 167* 1.1 .4 275
GRAVE SPRINGS 8550 1.1 .1 1100* 1.8 .3 600
KIRWIN 9550 1.0 .5 200* .9 .2 450
MARQUETTE 8760 .8 .5 160* 1.4 .3 467
MIDDLE POWDER 7760 1.3 .3 433* 1.6 .3 533
OWL CREEK 8975 -M .2 * -M .2 *
POWDER RIVER PASS 9480 1.0 .4 250* .9 .3 300
SHELL CREEK 9580 1.3 1.0 130* 1.6 .3 533
SYLVAN LAKE 8420 .9 .5 180* 1.5 .3 500
SYLVAN ROAD 7120 .5 .0 * 1.2 .3 400
TIMBER CREEK 7950 .2 .0 * 1.4 .2 700
YOUNTS PEAK 8350 .0 .2 0* 2.0 .2 1000
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Basin wide percent of average 193* 485
SHOSHONE RIVER
BLACKWATER 9780 .7 .9 78* 1.1 .4 275
EVENING STAR 9200 1.0 .6 167* 1.1 .4 275
KIRWIN 9550 1.0 .5 200* .9 .2 450
MARQUETTE 8760 .8 .5 160* 1.4 .3 467
SYLVAN LAKE 8420 .9 .5 180* 1.5 .3 500
SYLVAN ROAD 7120 .5 .0 * 1.2 .3 400
YOUNTS PEAK 8350 .0 .2 0* 2.0 .2 1000
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Basin wide percent of average 138* 438
POWDER-TONGUE
BEAR TRAP MEADOW 8200 .9 .1 900* 1.6 .2 800
BIG GOOSE 7990 -M .1 * 1.4 .3 467
BONE SPRINGS DIV 9350 -M .7 * -M .3 *
BURGESS JUNCTION 7880 1.0 .4 250* 1.5 .3 500
CLOUD PEAK RESERVOIR 9860 1.0 .2 500* 1.6 .3 533
DOME LAKE 8880 1.4 .4 350* 1.8 .3 600
GRAVE SPRINGS 8550 1.1 .1 1100* 1.8 .3 600
HANSEN SAWMILL 8360 -M .1 * 1.0 .2 500
MIDDLE POWDER 7760 1.3 .3 433* 1.6 .3 533
POWDER RIVER PASS 9480 1.0 .4 250* .9 .3 300
SUCKER CREEK 8880 1.7 .3 567* 1.5 .3 500
TIE CREEK 6870 -M .0 * -M .3 *
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Basin wide percent of average 427* 525
BELLE FOURCHE
BLIND PARK 6890 .1 .0 * .6 .3 200
COLE CANYON 5910 .6 .0 * .5 -M *
NORTH RAPID CREEK 6130 .3 .0 * .8 .3 267
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Basin wide percent of average * 233
UPPER N. PLATTE RIVER
COLUMBINE 9160 .4 .0 * .7 .3 233
DIVIDE PEAK 8860 .5 .3 167* 1.1 .4 275
ELK RIVER 8700 -M .0 * 1.0 .3 333
JOE WRIGHT 10120 .2 .3 67* .7 .5 140
NORTH FRENCH CREEK 10130 .5 .5 100* .8 .5 160
OLD BATTLE 9920 .7 .5 140* -M .5 *
SAGE CREEK BASIN 7850 .2 .1 200* .5 .2 250
SOUTH BRUSH CREEK 8440 .3 .1 300* .8 .3 267
TOWER 10500 1.3 .4 325* 1.4 .5 280
WEBBER SPRINGS 9250 .5 .2 250* 1.4 .4 350
WILLOW CREEK PASS 9540 .0 .1 0* .4 .3 133
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Basin wide percent of average 168* 238
LOWER N. PLATTE - SWEETWATER - LARAMIE
BROOKLYN LAKE 10220 .3 .4 75* .4 .3 133
CASPER MTN. 7850 .0 .2 0* .0 .3 0
DEADMAN HILL 10220 .0 .4 0* .6 .3 200
DEER PARK 9700 .9 .4 225* 1.0 .3 333
LAPRELE CREEK 8375 .0 .1 0* .0 .3 0
RENO HILL 8500 .1 .2 50* .4 .3 133
ROACH 9700 -M .1 * -M .3 *
SAND LAKE 10050 .7 .7 100* .8 .4 200
SOUTH PASS 9040 .8 .2 400* 1.3 .3 433
WINDY PEAK 7900 .0 .0 100* .8 .2 400
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Basin wide percent of average 108* 196
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 .0 100* .6 .3 200
DIVIDE PEAK 8860 .5 .3 167* 1.1 .4 275
OLD BATTLE 9920 .7 .5 140* -M .5 *
SANDSTONE RS 8150 .0 .0 100* .9 .3 300
WHISKEY PARK 8950 .5 .1 500* .9 .4 225
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Basin wide percent of average 189* 250
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .2 .1 200* .7 .2 350
BLIND BULL SUM 8900 .5 .1 500* .7 .3 233
EAST RIM DIVIDE 7930 .2 .0 * .3 .2 150
ELKHART PARK G.S. 9400 .4 .1 400* .5 .3 167
GROS VENTRE SUMMIT 8750 .7 .2 350* 1.1 .2 550
KENDALL R.S. 7740 .5 .0 * .7 .2 350
LOOMIS PARK 8240 .2 .1 200* .4 .2 200
NEW FORK LAKE 8340 .2 .0 * .4 .2 200
SNIDER BASIN 8060 .2 .0 * .4 .2 200
SPRING CREEK DIVIDE 9000 .4 .1 400* .7 .3 233
TRIPLE PEAK 8500 .2 .1 200* .7 .3 233
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Basin wide percent of average 325* 254
LOWER GREEN RIVER
HAMS FORK 7840 .3 .0 * .6 .2 300
HEWINTA 9500 .1 .1 100* .4 .3 133
HICKERSON PARK 9100 .0 .0 100* .4 .2 200
HOLE-IN-ROCK 9150 .0 .0 100* .5 .2 250
INDIAN CREEK 9425 .8 .1 800* .8 .3 267
KELLEY R.S. 8180 .4 .1 400* .7 .3 233
STEEL CREEK PARK 10100 .3 .4 75* .6 .3 200
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Basin wide percent of average 229* 222
UPPER BEAR RIVER
BUG LAKE 7950 .2 .3 67* .7 .3 233
HAYDEN FORK 9100 .0 .2 0* .4 .3 133
KELLEY R.S. 8180 .4 .1 400* .7 .3 233
LILY LAKE 9050 .0 .2 0* .4 .3 133
MONTE CRISTO 8960 .4 .3 133* .6 .4 150
SALT RIVER SUMMIT 7600 .4 .0 * .7 .3 233
TRIAL LAKE 9960 .0 .4 0* .4 .4 100
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Basin wide percent of average 67* 170
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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.