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 FRIDAY: JANUARY 11 , 2013
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
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WYOMING
SNAKE RIVER
BASE CAMP 7030 10.6 8.7 122 13.1 11.6 113
BLACK BEAR 8170 22.5 19.8 114 22.0 20.5 107
BLIND BULL SUM 8650 10.6 11.3 94 8.8 10.7 82
COTTONWOOD CREEK 7670 9.2 9.4 98 12.5 13.1 95
EAST RIM DIVIDE 7930 5.0 5.2 96 5.0 6.4 78
GRAND TARGHEE 9260 21.5 20.6 104 16.9 17.5 97
GRANITE CREEK 6770 8.0 7.7 104 10.0 11.0 91
GRASSY LAKE 7265 14.0 15.4 91 18.1 19.6 92
GROS VENTRE SUMMIT 8750 6.7 7.1 94 7.2 6.9 104
GUNSIGHT PASS 9820 7.3 7.0 104 7.5 7.4 101
LEWIS LAKE DIVIDE 7850 17.3 15.4 112 21.0 19.4 108
PHILLIPS BENCH 8200 11.8 13.3 89 13.9 15.0 93
SALT RIVER SUMMIT 7760 5.4 5.7 95 8.4 8.7 97
SNAKE RIVER STATION 6920 8.2 8.1 101 13.4 12.7 106
SPRING CREEK DIVIDE 9000 11.0 11.1 99 11.6 12.7 91
THUMB DIVIDE 7980 9.6 7.4 130 10.9 10.1 108
TOGWOTEE PASS 9580 11.9 12.5 95 12.6 13.3 95
TWO OCEAN PLATEAU 9240 17.0 14.7 116 14.8 14.5 102
WILLOW CREEK 8380 12.0 12.9 93 16.5 17.9 92
YOUNTS PEAK 8350 8.1 7.7 105 7.6 8.8 86
----- -----
Basin wide percent 103 98
MADISON-GALLATIN
BLACK BEAR 8170 22.5 19.8 114 22.0 20.5 107
CANYON 7870 6.4 6.6 97 7.4 8.9 83
MADISON PLATEAU 7750 13.6 11.3 120 16.3 14.4 113
WEST YELLOWSTONE 6700 5.2 5.8 90 9.1 8.1 112
WHISKEY CREEK 6800 6.2 8.0 78 12.1 11.2 108
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Basin wide percent 105 106
YELLOWSTONE
BEARTOOTH LAKE 9360 9.3 11.5 81 9.8 10.6 92
BURNT MTN 5880 1.3 1.9 68 5.3 7.2 74
CANYON 7870 6.4 6.6 97 7.4 8.9 83
COLE CREEK 7850 3.6 6.8 53 4.6 6.8 68
EVENING STAR 9200 14.1 13.3 106 16.2 15.1 107
FISHER CREEK 9100 20.5 17.2 119 19.8 17.2 115
NORTHEAST ENTRANCE 7350 3.6 4.9 73 6.8 7.0 97
PARKER PEAK 9400 11.7 11.2 104 11.9 9.6 124
SYLVAN LAKE 8420 10.1 10.8 94 14.1 12.6 112
THUMB DIVIDE 7980 9.6 7.4 130 10.9 10.1 108
TWO OCEAN PLATEAU 9240 17.0 14.7 116 14.8 14.5 102
WHITE MILL 8700 12.4 11.8 105 13.4 12.9 104
WOLVERINE 7650 5.2 5.6 93 5.7 7.0 81
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Basin wide percent 101 101
WIND RIVER
BURROUGHS CREEK 8750 6.9 6.9 100 6.9 8.8 78
CASTLE CREEK 8400 3.8 -M * 5.3 -M *
COLD SPRINGS 9630 4.6 3.7 124 5.4 5.4 100
DEER PARK 9700 7.5 7.0 107 8.6 10.3 83
HOBBS PARK 10100 6.4 7.1 90 5.9 6.7 88
KIRWIN 9550 -M 4.9 * -M 6.3 *
LITTLE WARM 9370 5.9 5.2 113 7.2 6.9 104
OWL CREEK 8975 2.6 2.8 93 3.0 3.1 97
SOUTH PASS 9040 6.0 7.2 83 5.5 9.3 59
ST. LAWRENCE ALT 8620 -M 3.4 * -M 4.6 *
TOGWOTEE PASS 9580 11.9 12.5 95 12.6 13.3 95
TOWNSEND CREEK 8700 2.0 4.2 48 4.2 6.2 68
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Basin wide percent 95 85
BIGHORN BASIN
BALD MTN. 9380 5.9 9.5 62 4.0 8.9 45
BEAR TRAP MEADOW 8200 4.4 2.8 157 5.3 4.5 118
BONE SPRINGS DIV 9350 6.5 8.1 80 6.2 8.0 78
GRAVE SPRINGS 8550 2.2 4.0 55 3.5 5.6 62
KIRWIN 9550 -M 4.9 * -M 6.3 *
MARQUETTE 8760 2.5 -M * 4.1 -M *
MIDDLE POWDER 7760 3.5 5.6 62 6.7 6.5 103
OWL CREEK 8975 2.6 2.8 93 3.0 3.1 97
POWDER RIVER PASS 9480 5.8 5.6 104 6.6 6.7 99
SHELL CREEK 9580 7.7 7.7 100 7.2 7.3 99
TIMBER CREEK 7950 1.2 2.3 52 3.2 4.1 78
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Basin wide percent 82 84
SHOSHONE RIVER
BLACKWATER 9780 13.0 12.2 107 12.8 11.2 114
EVENING STAR 9200 14.1 13.3 106 16.2 15.1 107
MARQUETTE 8760 2.5 -M * 4.1 -M *
SYLVAN ROAD 7120 5.4 6.1 89 10.5 10.2 103
YOUNTS PEAK 8350 8.1 7.7 105 7.6 8.8 86
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Basin wide percent 103 104
POWDER RIVER
BEAR TRAP MEADOW 8200 4.4 2.8 157 5.3 4.5 118
CLOUD PEAK RESERVOIR 9860 5.3 6.8 78 5.4 6.8 79
GRAVE SPRINGS 8550 2.2 4.0 55 3.5 5.6 62
HANSEN SAWMILL 8360 3.1 3.4 91 4.6 4.4 105
MIDDLE POWDER 7760 3.5 5.6 62 6.7 6.5 103
POWDER RIVER PASS 9480 5.8 5.6 104 6.6 6.7 99
SOLDIER PARK 8720 1.4 -M * 4.1 -M *
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Basin wide percent 86 93
TONGUE RIVER
BIG GOOSE 7990 2.7 4.1 66 4.3 5.6 77
BONE SPRINGS DIV 9350 6.5 8.1 80 6.2 8.0 78
BURGESS JUNCTION 7880 2.9 5.2 56 3.6 6.4 56
DOME LAKE 8880 3.8 5.8 66 5.4 7.3 74
LITTLE GOOSE 8870 3.3 -M * 5.9 -M *
SUCKER CREEK 8880 4.4 5.9 75 4.6 7.3 63
TIE CREEK 6870 -M 2.4 * 4.1 6.1 67
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Basin wide percent 70 69
BELLE FOURCHE
COLE CANYON 5910 1.6 2.5 64 3.3 5.0 66
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Basin wide percent 64 66
CHEYENNE RIVER BASIN
BLIND PARK 6890 2.5 3.9 64 4.7 6.6 71
NORTH RAPID CREEK 6130 2.4 3.5 69 3.9 5.5 71
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Basin wide percent 66 71
UPPER N. PLATTE
ARAPAHO RIDGE 10960 8.3 -M * 8.5 -M *
BLACKHALL MTN 9820 10.6 -M * 12.0 -M *
COLUMBINE 9160 8.4 11.3 74 9.6 13.4 72
DIVIDE PEAK 8880 6.4 9.8 65 8.4 11.6 72
JOE WRIGHT 10120 5.9 10.6 56 11.3 13.6 83
LAPRELE CREEK 8375 1.4 4.6 30 3.1 6.5 48
MED BOW 10500 9.5 -M * 12.6 -M *
NORTH FRENCH CREEK 10130 9.2 13.2 70 9.7 13.9 70
NEVER SUMMER 10280 6.8 -M * 5.8 -M *
OLD BATTLE 10000 12.2 15.0 81 13.7 18.6 74
RAWAH 9020 4.1 -M * 6.9 -M *
SAGE CREEK BASIN 7850 5.3 6.8 78 5.7 8.4 68
SAND LAKE 10050 9.1 13.7 66 9.6 12.6 76
SOUTH BRUSH CREEK 8440 4.3 5.7 75 5.9 8.1 73
TOWER 10500 13.2 20.9 63 13.9 21.0 66
WEBBER SPRINGS 9250 9.0 11.4 79 10.5 14.0 75
WILLOW CREEK PASS 9540 5.6 6.0 93 6.9 7.2 96
ZIRKEL 9340 8.9 -M * 11.7 -M *
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Basin wide percent 70 73
SWEETWATER
DEER PARK 9700 7.5 7.0 107 8.6 10.3 83
LARSEN CREEK 9000 4.8 -M * 7.7 -M *
SOUTH PASS 9040 6.0 7.2 83 5.5 9.3 59
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Basin wide percent 95 72
LOWER N. PLATTE
CASPER MTN. 7900 1.6 6.6 24 -M 8.0 *
LAPRELE CREEK 8375 1.4 4.6 30 3.1 6.5 48
RENO HILL 8400 2.1 6.5 32 3.6 7.8 46
WINDY PEAK 7900 .9 3.3 27 3.4 5.6 61
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Basin wide percent 29 51
LARAMIE RIVER
BROOKLYN LAKE 10240 -M 9.9 * -M 10.5 *
CINNABAR PARK 9574 6.7 11.2 60 7.7 13.6 57
CROW CREEK 8330 1.6 4.9 33 3.9 5.9 66
DEADMAN HILL 10220 6.3 7.8 81 6.1 8.7 70
RAWAH 9020 4.1 -M * 6.9 -M *
ROACH 9700 5.6 8.1 69 7.0 10.0 70
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Basin wide percent 63 65
S. PLATTE
BLACK MOUNTAIN 8920 3.3 -M * 4.5 -M *
CROW CREEK 8330 1.6 4.9 33 3.9 5.9 66
DEADMAN HILL 10220 6.3 7.8 81 6.1 8.7 70
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Basin wide percent 62 68
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 3.3 5.1 65 5.1 8.0 64
DIVIDE PEAK 8880 6.4 9.8 65 8.4 11.6 72
ELK RIVER 8700 5.9 8.5 69 6.9 10.5 66
LITTLE SNAKE RIVER 8915 8.4 11.4 74 12.4 17.3 72
OLD BATTLE 10000 12.2 15.0 81 13.7 18.6 74
SAGE CREEK BASIN 7850 5.3 6.8 78 5.7 8.4 68
SANDSTONE RS 8150 5.2 5.9 88 6.1 9.9 62
WHISKEY PARK 8950 9.2 11.5 80 11.2 14.2 79
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Basin wide percent 76 71
UPPER GREEN RIVER
BIG SANDY OPENING 9080 6.9 6.9 100 7.2 7.1 101
BLIND BULL SUM 8650 10.6 11.3 94 8.8 10.7 82
EAST RIM DIVIDE 7930 5.0 5.2 96 5.0 6.4 78
ELKHART PARK G.S. 9400 6.2 6.1 102 6.8 7.2 94
GROS VENTRE SUMMIT 8750 6.7 7.1 94 7.2 6.9 104
GUNSIGHT PASS 9820 7.3 7.0 104 7.5 7.4 101
KENDALL R.S. 7740 6.3 5.9 107 7.7 7.6 101
LOOMIS PARK 8240 6.7 7.2 93 8.2 9.3 88
NEW FORK LAKE 8340 4.7 5.3 89 4.2 5.9 71
POCKET CREEK 9360 7.3 -M * 7.5 -M *
SNIDER BASIN 8060 4.9 6.1 80 7.0 7.6 92
SPRING CREEK DIVIDE 9000 11.0 11.1 99 11.6 12.7 91
TRIPLE PEAK 8500 9.6 10.3 93 11.8 13.0 91
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Basin wide percent 96 91
LOWER GREEN RIVER
BLACKS FORK JCT 8870 4.0 -M * 6.0 -M *
BUCK PASTURE 9700 6.6 -M * 8.9 -M *
EF BLACKS FORK GS 9308 8.3 -M * 7.5 -M *
HAMS FORK 7840 5.0 5.3 94 5.5 6.1 90
HEWINTA 9519 4.8 4.6 104 6.6 7.2 92
HICKERSON PARK 9145 3.3 3.1 106 5.0 5.4 93
HOLE-IN-ROCK 9150 4.6 3.3 139 5.6 5.0 112
INDIAN CREEK 9425 10.7 11.5 93 9.8 11.6 84
KELLEY R.S. 8180 6.7 7.1 94 8.0 9.7 82
SPIRIT LK 10223 5.3 4.6 115 8.5 9.5 89
STEEL CREEK PARK 10200 5.6 6.8 82 7.5 8.4 89
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Basin wide percent 99 90
UPPER BEAR RIVER
BEAR RIVER RS 8500 4.5 -M * 6.4 -M *
BUG LAKE 7950 8.2 7.6 108 10.0 10.3 97
BURTS MILLER RANCH 8000 3.4 2.7 126 4.6 5.4 85
CHALK CREEK #1 8993 10.1 11.1 91 12.7 13.1 97
HAYDEN FORK 9212 5.8 6.7 87 9.1 10.9 83
KELLEY R.S. 8180 6.7 7.1 94 8.0 9.7 82
LILY LAKE 9156 5.1 6.0 85 6.8 9.0 76
MONTE CRISTO 8960 10.1 12.7 80 12.7 13.6 93
SALT RIVER SUMMIT 7760 5.4 5.7 95 8.4 8.7 97
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Basin wide percent 92 90
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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 wide percent 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.
Reference period for comparison of conditions is 1981-2010.
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.
