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 SUNDAY: JUNE 10 , 2012
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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* 29.0 27.8 104
BLACK BEAR 8170 21.7 18.4 118 55.3 51.5 107
BLIND BULL SUM 8650 .8 12.4 6 20.9 28.8 73
COTTONWOOD CREEK 7670 .0 .0 100* 31.5 36.6 86
EAST RIM DIVIDE 7930 .0 .0 100* 14.2 16.7 85
GRAND TARGHEE 9260 21.3 -M * 38.6 -M *
GRANITE CREEK 6770 .0 .0 100* 21.5 25.6 84
GRASSY LAKE 7265 -M 5.8 * 48.1 46.2 104
GROS VENTRE SUMMIT 8750 .1 .0 * 14.9 18.4 81
GUNSIGHT PASS 9820 .2 -M * 20.2 -M *
LEWIS LAKE DIVIDE 7850 .1 10.6 1 43.4 46.4 94
PHILLIPS BENCH 8200 .0 8.1 0 31.0 37.5 83
SALT RIVER SUMMIT 7760 .0 .0 100* -M 24.6 *
SNAKE RIVER STATION 6920 .0 .0 100* 30.8 29.2 105
SPRING CREEK DIVIDE 9000 .3 8.5 4 27.6 33.7 82
THUMB DIVIDE 7980 .0 .0 100* 24.9 25.5 98
TOGWOTEE PASS 9580 7.7 17.2 45 31.9 33.5 95
TWO OCEAN PLATEAU 9240 17.5 20.4 86 36.4 37.3 98
WILLOW CREEK 8380 .0 7.3 0 41.6 43.6 95
YOUNTS PEAK 8350 .0 2.6 0 21.8 23.0 95
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Basin wide percent of average 46* 93
MADISON-GALLATIN
BLACK BEAR 8170 21.7 18.4 118 55.3 51.5 107
CANYON 7870 .0 .2 0* 23.1 21.3 108
MADISON PLATEAU 7750 .1 3.3 3 42.4 35.2 120
WEST YELLOWSTONE 6700 .0 .0 100* 24.6 18.5 133
WHISKEY CREEK 6800 .0 .0 100* 32.3 28.2 115
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Basin wide percent of average 100* 115
YELLOWSTONE
BEARTOOTH LAKE 9360 19.7 14.8 133 33.7 27.9 121
BURNT MTN 5880 .0 .0 100* 17.4 26.5 66
CANYON 7870 .0 .2 0* 23.1 21.3 108
COLE CREEK 7850 .3 7.0 4 18.7 28.7 65
EVENING STAR 9200 11.1 20.3 55 43.1 35.6 121
FISHER CREEK 9100 29.7 24.6 121 49.2 48.0 102
NORTHEAST ENTRANCE 7350 .0 .0 100* -M 18.4 *
PARKER PEAK 9400 3.5 13.2 27 32.4 24.2 134
SYLVAN LAKE 8420 .0 6.9 0 34.6 30.2 115
THUMB DIVIDE 7980 .0 .0 100* 24.9 25.5 98
TWO OCEAN PLATEAU 9240 17.5 20.4 86 36.4 37.3 98
WHITE MILL 8700 12.8 13.3 96 35.5 36.3 98
WOLVERINE 7650 -M .0 * 17.9 19.0 94
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Basin wide percent of average 78 102
WIND RIVER
BURROUGHS CREEK 8750 .0 1.1 0* 19.3 23.4 82
CASTLE CREEK 8400 .0 -M * 11.4 -M *
COLD SPRINGS 9630 .0 .5 0* 12.4 18.0 69
DEER PARK 9700 .0 6.1 0 22.1 31.9 69
HOBBS PARK 10100 .0 6.5 0 17.0 21.9 78
KIRWIN 9550 .0 2.9 0 18.8 18.5 102
LITTLE WARM 9370 .0 .4 0* 17.7 20.8 85
OWL CREEK 8975 .0 .2 0* 8.4 12.0 70
SOUTH PASS 9040 .0 3.3 0 15.5 26.8 58
ST. LAWRENCE ALT 8620 .0 .2 0* 11.1 16.1 69
TOGWOTEE PASS 9580 7.7 17.2 45 31.9 33.5 95
TOWNSEND CREEK 8700 .0 1.0 0 13.9 19.6 71
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Basin wide percent of average 20 78
BIGHORN BASIN
BALD MTN. 9380 7.7 11.5 67 23.0 26.3 87
BEAR TRAP MEADOW 8200 .0 .0 100* 16.2 15.2 107
BONE SPRINGS DIV 9350 .4 4.5 9 22.3 23.5 95
GRAVE SPRINGS 8550 .0 1.0 0* 16.1 17.0 95
KIRWIN 9550 .0 2.9 0 18.8 18.5 102
MARQUETTE 8760 .0 -M * 15.4 19.2 80
MIDDLE POWDER 7760 .1 .7 14* 17.8 20.0 89
OWL CREEK 8975 .0 .2 0* 8.4 12.0 70
POWDER RIVER PASS 9480 .2 .8 25* 23.5 20.7 114
SHELL CREEK 9580 5.6 6.1 92 23.5 21.7 108
TIMBER CREEK 7950 .0 .2 0* 13.3 15.3 87
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Basin wide percent of average 50* 95
SHOSHONE RIVER
BLACKWATER 9780 10.2 19.6 52 32.6 30.2 108
EVENING STAR 9200 11.1 20.3 55 43.1 35.6 121
MARQUETTE 8760 .0 -M * 15.4 19.2 80
SYLVAN ROAD 7120 .1 .0 * 25.5 24.2 105
YOUNTS PEAK 8350 .0 2.6 0 21.8 23.0 95
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Basin wide percent of average 50 105
POWDER RIVER
BEAR TRAP MEADOW 8200 .0 .0 100* 16.2 15.2 107
CLOUD PEAK RESERVOIR 9860 .0 3.7 0 23.0 22.9 100
GRAVE SPRINGS 8550 .0 1.0 0* 16.1 17.0 95
HANSEN SAWMILL 8360 .0 .1 0* 15.5 15.2 102
MIDDLE POWDER 7760 .1 .7 14* 17.8 20.0 89
POWDER RIVER PASS 9480 .2 .8 25* 23.5 20.7 114
SOLDIER PARK 8720 .0 -M * 15.7 -M *
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Basin wide percent of average 5* 101
TONGUE RIVER
BIG GOOSE 7990 .0 .0 100* 20.1 17.0 118
BONE SPRINGS DIV 9350 .4 4.5 9 22.3 23.5 95
BURGESS JUNCTION 7880 .1 .7 14* 19.9 19.5 102
DOME LAKE 8880 .0 1.6 0 23.6 21.6 109
LITTLE GOOSE 8870 .2 -M * 24.2 -M *
SUCKER CREEK 8880 .2 1.3 15* 23.9 22.6 106
TIE CREEK 6870 .0 .2 0* 19.9 18.3 109
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Basin wide percent of average 8* 106
BELLE FOURCHE
COLE CANYON 5910 .0 .0 100* 14.0 14.2 99
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Basin wide percent of average * 99
CHEYENNE RIVER BASIN
BLIND PARK 6890 .0 .0 100* 16.7 19.0 88
NORTH RAPID CREEK 6130 .0 .0 100* 15.5 15.4 101
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Basin wide percent of average * 94
UPPER N. PLATTE
ARAPAHO RIDGE 10960 .0 10.0 0 20.2 34.7 58
BLACKHALL MTN 9820 .0 -M * 27.4 -M *
COLUMBINE 9160 .0 .2 0* 23.1 32.8 70
DIVIDE PEAK 8880 -M 1.1 * 21.6 28.1 77
JOE WRIGHT 10120 -M 10.8 * -M 35.8 *
LAPRELE CREEK 8375 .0 .0 100* 14.1 20.9 67
NORTH FRENCH CREEK 10130 .0 16.7 0 25.0 35.2 71
NEVER SUMMER 10280 .0 10.3 0 15.3 34.0 45
OLD BATTLE 10000 -M 18.1 * -M 45.0 *
RAWAH 9020 .0 2.5 0 15.0 23.9 63
SAGE CREEK BASIN 7850 -M .6 * 12.1 16.3 74
SAND LAKE 10050 .0 17.8 0 28.5 35.2 81
SOUTH BRUSH CREEK 8440 .0 .6 0* 14.5 24.4 59
TOWER 10500 2.6 32.9 8 37.5 50.9 74
WEBBER SPRINGS 9250 .0 2.5 0* 25.3 35.4 71
WILLOW CREEK PASS 9540 1.9 .9 211* 13.5 19.6 69
ZIRKEL 9340 -M .2 * -M 33.8 *
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Basin wide percent of average 5* 68
SWEETWATER
DEER PARK 9700 .0 6.1 0 22.1 31.9 69
LARSEN CREEK 9000 .0 -M * 16.5 -M *
SOUTH PASS 9040 .0 3.3 0 15.5 26.8 58
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Basin wide percent of average 0 64
LOWER N. PLATTE
CASPER MTN. 7900 .0 2.0 0 22.1 24.9 89
LAPRELE CREEK 8375 .0 .0 100* 14.1 20.9 67
RENO HILL 8400 .0 1.6 0 22.5 25.6 88
WINDY PEAK 7900 .0 .0 100* 11.3 17.9 63
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Basin wide percent of average 0 78
LARAMIE RIVER
BROOKLYN LAKE 10240 .0 6.1 0 24.3 31.9 76
CINNABAR PARK 9574 .0 .1 0* 23.1 27.4 84
CROW CREEK 8330 .0 .0 100* 12.6 15.7 80
DEADMAN HILL 10220 .0 6.3 0 20.1 25.4 79
RAWAH 9020 .0 2.5 0 15.0 23.9 63
ROACH 9700 .0 2.8 0 20.2 27.2 74
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Basin wide percent of average 0 76
S. PLATTE
BLACK MOUNTAIN 8920 .0 -M * 15.7 -M *
CROW CREEK 8330 .0 .0 100* 12.6 15.7 80
DEADMAN HILL 10220 .0 6.3 0 20.1 25.4 79
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Basin wide percent of average 0* 80
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .0 .0 100* 13.6 21.4 64
DIVIDE PEAK 8880 -M 1.1 * 21.6 28.1 77
ELK RIVER 8700 .0 .1 0* 17.7 26.6 67
LITTLE SNAKE RIVER 8915 .0 -M * 27.5 -M *
OLD BATTLE 10000 -M 18.1 * -M 45.0 *
SAGE CREEK BASIN 7850 -M .6 * 12.1 16.3 74
SANDSTONE RS 8150 -M .0 * 13.2 25.4 52
WHISKEY PARK 8950 .0 6.3 0 27.7 38.6 72
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Basin wide percent of average 0* 68
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .0 .0 100* 17.1 19.3 89
BLIND BULL SUM 8650 .8 12.4 6 20.9 28.8 73
EAST RIM DIVIDE 7930 .0 .0 100* 14.2 16.7 85
ELKHART PARK G.S. 9400 .0 .0 100* 19.1 19.8 96
GROS VENTRE SUMMIT 8750 .1 .0 * 14.9 18.4 81
GUNSIGHT PASS 9820 .2 -M * 20.2 -M *
KENDALL R.S. 7740 .0 .0 100* 17.5 19.2 91
LOOMIS PARK 8240 .1 .0 * 19.9 23.1 86
NEW FORK LAKE 8340 .1 .0 * -M 16.6 *
POCKET CREEK 9360 -M -M * 14.9 -M *
SNIDER BASIN 8060 .0 .0 100* 16.0 20.9 77
SPRING CREEK DIVIDE 9000 .3 8.5 4 27.6 33.7 82
TRIPLE PEAK 8500 .1 .0 * 31.3 32.7 96
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Basin wide percent of average 7* 85
LOWER GREEN RIVER
BLACKS FORK JCT 8870 .1 -M * 12.8 -M *
BUCK PASTURE 9700 .1 -M * 6.4 -M *
EF BLACKS FORK GS 9308 .2 -M * 13.8 -M *
HAMS FORK 7840 .0 .0 100* 13.2 17.6 75
HEWINTA 9519 .0 .0 100* 15.3 20.9 73
HICKERSON PARK 9145 .0 .0 100* 14.3 13.1 109
HOLE-IN-ROCK 9150 .1 .0 * 14.3 12.8 112
INDIAN CREEK 9425 -M 8.9 * 22.4 33.1 68
KELLEY R.S. 8180 .0 .0 100* 19.0 26.8 71
SPIRIT LK 10223 .0 -M * 20.5 -M *
STEEL CREEK PARK 10200 -M 7.2 * 17.4 23.9 73
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Basin wide percent of average * 78
UPPER BEAR RIVER
BEAR RIVER RS 8500 .0 -M * 12.7 -M *
BUG LAKE 7950 .1 .6 17* 19.6 25.7 76
BURTS MILLER RANCH 8000 .3 -M * 10.8 -M *
CHALK CREEK #1 8993 .0 6.7 0 23.6 34.2 69
HAYDEN FORK 9212 .2 .2 100* 21.6 29.2 74
KELLEY R.S. 8180 .0 .0 100* 19.0 26.8 71
LILY LAKE 9156 .0 .3 0* 15.3 24.8 62
MONTE CRISTO 8960 .1 6.6 2 50.0 34.8 144
SALT RIVER SUMMIT 7760 .0 .0 100* -M 24.6 *
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Basin wide percent of average 3* 85
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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.
