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: APRIL 7 , 2014
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WYOMING
SNAKE RIVER
BASE CAMP 7030 25.1 15.2 165 26.3 20.6 128
BLACK BEAR 8170 43.0 37.2 116 40.3 37.8 107
BLIND BULL SUM 8650 36.8 23.2 159 23.5 19.3 122
COTTONWOOD CREEK 7670 31.6 21.0 150 34.8 24.3 143
EAST RIM DIVIDE 7930 17.6 10.2 173 15.6 11.6 134
GRAND TARGHEE 9260 51.2 38.5 133 35.2 30.6 115
GRANITE CREEK 6770 24.3 14.5 168 24.2 19.5 124
GRASSY LAKE 7265 42.3 31.5 134 39.6 35.5 112
GROS VENTRE SUMMIT 8750 14.6 12.9 113 14.8 12.8 116
GUNSIGHT PASS 9820 20.8 13.8 151 19.0 13.7 139
LEWIS LAKE DIVIDE 7850 40.5 29.9 135 -M 34.9 *
PHILLIPS BENCH 8200 35.6 25.4 140 34.2 27.8 123
SALT RIVER SUMMIT 7760 18.7 12.8 146 19.4 16.5 118
SNAKE RIVER STATION 6920 -M 14.9 * -M 22.2 *
SPRING CREEK DIVIDE 9000 36.3 22.5 161 32.1 23.5 137
THUMB DIVIDE 7980 21.3 14.7 145 18.4 18.4 100
TOGWOTEE PASS 9580 32.8 22.1 148 33.1 24.0 138
TWO OCEAN PLATEAU 9240 40.6 26.0 156 -M 26.8 *
WILLOW CREEK 8380 42.0 28.4 148 42.0 33.2 127
YOUNTS PEAK 8350 -M 14.3 * -M 15.6 *
----- -----
Basin Index (%) 144 123
MADISON-GALLATIN
BLACK BEAR 8170 43.0 37.2 116 40.3 37.8 107
CANYON 7870 15.6 12.4 126 16.9 16.0 106
MADISON PLATEAU 7750 25.7 21.5 120 25.3 26.0 97
WEST YELLOWSTONE 6700 14.6 9.5 154 16.4 14.1 116
WHISKEY CREEK 6800 17.9 14.8 121 21.1 19.9 106
----- -----
Basin Index (%) 122 105
YELLOWSTONE
BEARTOOTH LAKE 9360 31.8 21.3 149 29.3 19.4 151
BURNT MTN 5880 11.8 4.5 262 19.7 12.8 154
CANYON 7870 15.6 12.4 126 16.9 16.0 106
COLE CREEK 7850 22.9 14.6 157 16.3 12.8 127
EVENING STAR 9200 39.4 23.8 166 40.3 26.9 150
FISHER CREEK 9100 44.2 31.2 142 37.4 31.2 120
NORTHEAST ENTRANCE 7350 15.7 9.0 174 16.0 12.0 133
PARKER PEAK 9400 32.4 19.4 167 28.8 17.4 166
SYLVAN LAKE 8420 25.6 19.4 132 29.0 21.9 132
THUMB DIVIDE 7980 21.3 14.7 145 18.4 18.4 100
TWO OCEAN PLATEAU 9240 40.6 26.0 156 -M 26.8 *
WHITE MILL 8700 34.0 22.2 153 29.2 23.3 125
WOLVERINE 7650 15.4 9.6 160 17.0 12.0 142
----- -----
Basin Index (%) 154 133
WIND RIVER
BURROUGHS CREEK 8750 -M 13.0 * -M 15.6 *
CASTLE CREEK 8400 10.6 -M * 12.6 -M *
COLD SPRINGS 9630 9.7 6.7 145 13.5 9.9 136
DEER PARK 9700 17.7 15.6 113 19.7 19.8 99
HOBBS PARK 10100 16.2 14.1 115 14.2 13.4 106
KIRWIN 9550 19.3 9.6 201 17.8 11.4 156
LITTLE WARM 9370 15.0 10.2 147 17.3 12.7 136
OWL CREEK 8975 8.3 5.8 143 8.3 6.0 138
SOUTH PASS 9040 16.9 15.2 111 15.4 17.3 89
ST. LAWRENCE ALT 8620 5.3 6.9 77 9.3 8.9 104
TOGWOTEE PASS 9580 32.8 22.1 148 33.1 24.0 138
TOWNSEND CREEK 8700 8.4 9.7 87 9.7 12.0 81
----- -----
Basin Index (%) 129 117
BIGHORN BASIN
BALD MTN. 9380 26.1 19.1 137 20.3 16.8 121
BEAR TRAP MEADOW 8200 11.5 4.9 235 11.5 8.5 135
BONE SPRINGS DIV 9350 22.1 16.9 131 17.4 15.4 113
GRAVE SPRINGS 8550 13.5 9.4 144 13.2 10.6 125
KIRWIN 9550 19.3 9.6 201 17.8 11.4 156
MARQUETTE 8760 15.5 -M * 13.6 -M *
MIDDLE POWDER 7760 18.3 12.0 152 14.5 11.6 125
OWL CREEK 8975 8.3 5.8 143 8.3 6.0 138
POWDER RIVER PASS 9480 15.9 10.2 156 17.0 12.5 136
SHELL CREEK 9580 19.9 15.1 132 17.1 13.6 126
TIMBER CREEK 7950 7.1 4.9 145 9.0 7.3 123
----- -----
Basin Index (%) 150 128
SHOSHONE RIVER
BLACKWATER 9780 32.9 22.6 146 29.5 20.3 145
EVENING STAR 9200 39.4 23.8 166 40.3 26.9 150
MARQUETTE 8760 15.5 -M * 13.6 -M *
SYLVAN ROAD 7120 16.6 10.8 154 21.9 16.5 133
YOUNTS PEAK 8350 -M 14.3 * -M 15.6 *
----- -----
Basin Index (%) 155 144
POWDER RIVER
BEAR TRAP MEADOW 8200 11.5 4.9 235 11.5 8.5 135
CLOUD PEAK RESERVOIR 9860 21.1 14.8 143 18.7 13.2 142
GRAVE SPRINGS 8550 13.5 9.4 144 13.2 10.6 125
HANSEN SAWMILL 8360 10.7 6.1 175 12.6 8.5 148
MIDDLE POWDER 7760 18.3 12.0 152 14.5 11.6 125
POWDER RIVER PASS 9480 15.9 10.2 156 17.0 12.5 136
SOLDIER PARK 8720 13.6 -M * 11.9 -M *
----- -----
Basin Index (%) 159 135
TONGUE RIVER
BIG GOOSE 7990 12.9 9.6 134 15.1 11.4 132
BONE SPRINGS DIV 9350 22.1 16.9 131 17.4 15.4 113
BURGESS JUNCTION 7880 16.1 11.9 135 16.3 12.3 133
DOME LAKE 8880 16.4 11.8 139 15.1 13.5 112
LITTLE GOOSE 8870 14.7 -M * 17.0 -M *
SUCKER CREEK 8880 18.4 12.1 152 19.7 14.3 138
TIE CREEK 6870 9.8 5.6 175 15.3 11.7 131
----- -----
Basin Index (%) 141 126
BELLE FOURCHE
COLE CANYON 5910 7.5 5.1 147 14.5 9.5 153
----- -----
Basin Index (%) 147 153
CHEYENNE RIVER BASIN
BLIND PARK 6890 9.5 7.0 136 16.8 11.8 142
NORTH RAPID CREEK 6130 9.4 6.5 145 15.3 9.9 155
----- -----
Basin Index (%) 140 148
UPPER N. PLATTE
ARAPAHO RIDGE 10960 28.3 20.9 135 27.5 22.3 123
BLACKHALL MTN 9820 39.1 -M * -M -M *
COLUMBINE 9160 37.3 23.4 159 -M 25.4 *
DIVIDE PEAK 8880 21.7 19.9 109 24.1 21.3 113
JOE WRIGHT 10120 23.8 21.2 112 32.2 25.6 126
LAPRELE CREEK 8375 10.2 9.4 109 11.6 12.5 93
MED BOW 10500 6.6 -M * 35.6 -M *
NORTH FRENCH CREEK 10130 38.4 29.4 131 32.3 26.6 121
NEVER SUMMER 10280 25.5 20.3 126 19.4 -M *
OLD BATTLE 10000 35.5 31.3 113 36.2 34.7 104
RAWAH 9020 14.9 10.6 141 17.8 14.2 125
SAGE CREEK BASIN 7850 14.0 11.9 118 13.5 14.6 92
SAND LAKE 10050 35.6 28.8 124 32.6 24.6 133
SOUTH BRUSH CREEK 8440 14.0 11.9 118 15.8 15.1 105
TOWER 10500 53.2 45.8 116 -M 39.6 *
WEBBER SPRINGS 9250 27.8 23.1 120 29.6 26.6 111
WILLOW CREEK PASS 9540 15.1 12.2 124 14.7 13.3 111
ZIRKEL 9340 43.0 26.3 163 -M 28.4 *
----- -----
Basin Index (%) 127 115
SWEETWATER
DEER PARK 9700 17.7 15.6 113 19.7 19.8 99
LARSEN CREEK 9000 14.4 11.6 124 16.1 -M *
SOUTH PASS 9040 16.9 15.2 111 15.4 17.3 89
----- -----
Basin Index (%) 116 95
LOWER N. PLATTE
CASPER MTN. 7900 19.3 14.3 135 16.4 15.0 109
LAPRELE CREEK 8375 10.2 9.4 109 11.6 12.5 93
RENO HILL 8400 19.6 14.0 140 20.9 15.5 135
WINDY PEAK 7900 9.5 7.7 123 12.1 10.5 115
----- -----
Basin Index (%) 129 114
LARAMIE RIVER
BROOKLYN LAKE 10240 32.5 21.8 149 30.7 21.0 146
CINNABAR PARK 9574 25.3 21.2 119 30.3 24.0 126
CROW CREEK 8330 7.0 7.0 100 11.6 10.8 107
DEADMAN HILL 10220 25.8 16.1 160 23.6 17.2 137
RAWAH 9020 14.9 10.6 141 17.8 14.2 125
ROACH 9700 22.2 16.6 134 24.6 19.1 129
----- -----
Basin Index (%) 137 130
S. PLATTE
BLACK MOUNTAIN 8920 13.0 -M * -M -M *
CROW CREEK 8330 7.0 7.0 100 11.6 10.8 107
DEADMAN HILL 10220 25.8 16.1 160 23.6 17.2 137
----- -----
Basin Index (%) 142 126
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 12.7 9.5 134 18.5 14.9 124
DIVIDE PEAK 8880 21.7 19.9 109 24.1 21.3 113
ELK RIVER 8700 23.3 19.2 121 23.4 19.9 118
LITTLE SNAKE RIVER 8915 33.7 25.2 134 36.0 29.7 121
OLD BATTLE 10000 35.5 31.3 113 36.2 34.7 104
SAGE CREEK BASIN 7850 14.0 11.9 118 13.5 14.6 92
SANDSTONE RS 8150 14.0 12.8 109 19.0 18.2 104
WHISKEY PARK 8950 43.3 27.4 158 41.2 27.8 148
----- -----
Basin Index (%) 126 117
UPPER GREEN RIVER
BIG SANDY OPENING 9080 16.4 12.6 130 15.1 13.1 115
BLIND BULL SUM 8650 36.8 23.2 159 23.5 19.3 122
EAST RIM DIVIDE 7930 17.6 10.2 173 15.6 11.6 134
ELKHART PARK G.S. 9400 17.9 12.3 146 16.8 13.2 127
GROS VENTRE SUMMIT 8750 14.6 12.9 113 14.8 12.8 116
GUNSIGHT PASS 9820 20.8 13.8 151 19.0 13.7 139
KENDALL R.S. 7740 22.7 11.4 199 23.1 14.1 164
LOOMIS PARK 8240 25.2 13.8 183 24.7 17.1 144
NEW FORK LAKE 8340 16.5 10.3 160 13.7 10.6 129
POCKET CREEK 9360 12.9 -M * 12.7 -M *
SNIDER BASIN 8060 20.6 12.3 167 19.4 14.0 139
SPRING CREEK DIVIDE 9000 36.3 22.5 161 32.1 23.5 137
TRIPLE PEAK 8500 36.0 21.8 165 37.2 25.0 149
----- -----
Basin Index (%) 159 136
LOWER GREEN RIVER
BLACKS FORK JCT 8870 10.0 -M * 13.8 -M *
BUCK PASTURE 9700 16.2 -M * 17.1 -M *
EF BLACKS FORK GS 9360 11.3 -M * 10.5 -M *
HAMS FORK 7840 17.0 10.6 160 14.0 11.3 124
HEWINTA 9519 13.3 10.9 122 15.3 14.0 109
HICKERSON PARK 9145 8.3 7.9 105 9.3 10.2 91
HOLE-IN-ROCK 9150 7.3 7.0 104 9.9 9.7 102
INDIAN CREEK 9425 33.7 24.7 136 27.1 22.3 122
KELLEY R.S. 8180 19.5 14.7 133 21.3 17.9 119
SPIRIT LK 10235 11.0 -M * 14.5 -M *
STEEL CREEK PARK 10200 20.5 15.8 130 16.9 16.4 103
----- -----
Basin Index (%) 131 112
UPPER BEAR RIVER
BEAR RIVER RS 8777 10.6 -M * 12.7 -M *
BUG LAKE 7950 24.3 18.4 132 21.1 19.2 110
BURTS MILLER RANCH 8000 7.0 -M * 7.1 -M *
CHALK CREEK #1 8993 23.5 24.4 96 23.1 25.0 92
HAYDEN FORK 9212 18.0 15.4 117 21.3 21.0 101
KELLEY R.S. 8180 19.5 14.7 133 21.3 17.9 119
LILY LAKE 9156 14.5 12.6 115 15.5 17.0 91
MONTE CRISTO 8960 28.7 27.7 104 26.1 25.8 101
SALT RIVER SUMMIT 7760 18.7 12.8 146 19.4 16.5 118
----- -----
Basin Index (%) 117 104
-----------------------------------------------------------------------------
-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.
----------------------------------------------------------------------------
-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.