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 SATURDAY: MARCH 29 , 2014
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WYOMING
SNAKE RIVER
BASE CAMP 7030 23.4 14.7 159 24.5 19.9 123
BLACK BEAR 8170 39.1 35.4 110 36.7 36.1 102
BLIND BULL SUM 8650 35.5 21.8 163 22.8 18.5 123
COTTONWOOD CREEK 7670 30.4 20.9 145 33.2 23.3 142
EAST RIM DIVIDE 7930 17.4 9.8 178 15.2 11.2 136
GRAND TARGHEE 9260 47.5 35.4 134 35.1 28.7 122
GRANITE CREEK 6770 23.6 14.9 158 23.4 18.9 124
GRASSY LAKE 7265 38.4 31.3 123 36.3 34.2 106
GROS VENTRE SUMMIT 8750 14.3 12.6 113 14.4 12.2 118
GUNSIGHT PASS 9820 19.9 13.1 152 18.3 12.9 142
LEWIS LAKE DIVIDE 7850 35.5 29.3 121 -M 33.6 *
PHILLIPS BENCH 8200 33.4 23.8 140 32.6 26.7 122
SALT RIVER SUMMIT 7760 17.9 12.7 141 18.8 15.8 119
SNAKE RIVER STATION 6920 -M 15.8 * -M 21.4 *
SPRING CREEK DIVIDE 9000 34.6 22.4 154 31.5 22.6 139
THUMB DIVIDE 7980 17.7 15.1 117 16.0 17.5 91
TOGWOTEE PASS 9580 30.7 21.5 143 30.5 22.9 133
TWO OCEAN PLATEAU 9240 37.8 25.3 149 -M 25.8 *
WILLOW CREEK 8380 39.7 27.0 147 39.5 31.6 125
YOUNTS PEAK 8350 -M 13.9 * -M 14.9 *
----- -----
Basin Index (%) 139 121
MADISON-GALLATIN
BLACK BEAR 8170 39.1 35.4 110 36.7 36.1 102
CANYON 7870 14.0 12.2 115 15.5 15.2 102
MADISON PLATEAU 7750 22.7 21.1 108 22.7 24.9 91
WEST YELLOWSTONE 6700 12.9 10.2 126 14.6 13.3 110
WHISKEY CREEK 6800 16.2 14.8 109 18.8 19.1 98
----- -----
Basin Index (%) 112 100
YELLOWSTONE
BEARTOOTH LAKE 9360 29.8 20.7 144 27.8 18.5 150
BURNT MTN 5880 10.3 4.5 229 17.8 11.6 153
CANYON 7870 14.0 12.2 115 15.5 15.2 102
COLE CREEK 7850 20.5 13.0 158 14.4 11.7 123
EVENING STAR 9200 36.4 23.8 153 37.6 25.7 146
FISHER CREEK 9100 41.3 29.4 140 35.9 30.0 120
NORTHEAST ENTRANCE 7350 14.6 9.8 149 14.6 11.5 127
PARKER PEAK 9400 29.3 18.5 158 26.6 16.6 160
SYLVAN LAKE 8420 22.4 18.9 119 25.8 21.0 123
THUMB DIVIDE 7980 17.7 15.1 117 16.0 17.5 91
TWO OCEAN PLATEAU 9240 37.8 25.3 149 -M 25.8 *
WHITE MILL 8700 31.9 21.3 150 27.3 22.4 122
WOLVERINE 7650 14.6 8.9 164 15.8 11.4 139
----- -----
Basin Index (%) 145 129
WIND RIVER
BURROUGHS CREEK 8750 -M 13.0 * -M 15.0 *
CASTLE CREEK 8400 10.2 -M * 12.2 -M *
COLD SPRINGS 9630 9.4 7.1 132 12.8 9.2 139
DEER PARK 9700 -M 14.3 * 18.2 18.3 99
HOBBS PARK 10100 14.5 13.0 112 12.8 12.1 106
KIRWIN 9550 18.0 9.1 198 16.6 10.7 155
LITTLE WARM 9370 14.2 10.1 141 16.5 12.0 138
OWL CREEK 8975 7.1 5.1 139 7.1 5.5 129
SOUTH PASS 9040 15.8 14.6 108 14.7 16.3 90
ST. LAWRENCE ALT 8620 4.6 6.7 69 7.9 8.2 96
TOGWOTEE PASS 9580 30.7 21.5 143 30.5 22.9 133
TOWNSEND CREEK 8700 7.5 8.8 85 8.7 11.0 79
----- -----
Basin Index (%) 127 116
BIGHORN BASIN
BALD MTN. 9380 24.0 17.8 135 18.6 15.9 117
BEAR TRAP MEADOW 8200 11.2 5.1 220 11.2 7.7 145
BONE SPRINGS DIV 9350 20.5 15.1 136 16.1 14.4 112
GRAVE SPRINGS 8550 12.5 8.6 145 12.4 9.7 128
KIRWIN 9550 18.0 9.1 198 16.6 10.7 155
MARQUETTE 8760 13.6 -M * 12.2 -M *
MIDDLE POWDER 7760 17.0 10.8 157 13.8 10.8 128
OWL CREEK 8975 7.1 5.1 139 7.1 5.5 129
POWDER RIVER PASS 9480 15.4 9.8 157 16.4 11.6 141
SHELL CREEK 9580 18.8 14.0 134 16.1 12.8 126
TIMBER CREEK 7950 6.4 4.5 142 7.8 6.8 115
----- -----
Basin Index (%) 151 129
SHOSHONE RIVER
BLACKWATER 9780 30.4 21.7 140 27.4 19.2 143
EVENING STAR 9200 36.4 23.8 153 37.6 25.7 146
MARQUETTE 8760 13.6 -M * 12.2 -M *
SYLVAN ROAD 7120 14.5 11.0 132 19.8 15.8 125
YOUNTS PEAK 8350 -M 13.9 * -M 14.9 *
----- -----
Basin Index (%) 144 140
POWDER RIVER
BEAR TRAP MEADOW 8200 11.2 5.1 220 11.2 7.7 145
CLOUD PEAK RESERVOIR 9860 20.3 13.7 148 18.0 12.2 148
GRAVE SPRINGS 8550 12.5 8.6 145 12.4 9.7 128
HANSEN SAWMILL 8360 9.8 6.2 158 12.0 7.9 152
MIDDLE POWDER 7760 17.0 10.8 157 13.8 10.8 128
POWDER RIVER PASS 9480 15.4 9.8 157 16.4 11.6 141
SOLDIER PARK 8720 12.9 -M * 11.4 -M *
----- -----
Basin Index (%) 159 140
TONGUE RIVER
BIG GOOSE 7990 12.2 8.4 145 14.3 10.1 142
BONE SPRINGS DIV 9350 20.5 15.1 136 16.1 14.4 112
BURGESS JUNCTION 7880 14.7 10.9 135 15.3 11.4 134
DOME LAKE 8880 15.3 11.2 137 14.1 12.5 113
LITTLE GOOSE 8870 13.7 -M * 16.5 -M *
SUCKER CREEK 8880 17.3 11.2 154 18.5 13.2 140
TIE CREEK 6870 9.2 5.4 170 14.4 10.5 137
----- -----
Basin Index (%) 143 129
BELLE FOURCHE
COLE CANYON 5910 7.1 5.7 125 13.7 8.4 163
----- -----
Basin Index (%) 125 163
CHEYENNE RIVER BASIN
BLIND PARK 6890 8.5 7.2 118 16.1 11.0 146
NORTH RAPID CREEK 6130 9.1 6.7 136 14.6 9.0 162
----- -----
Basin Index (%) 127 154
UPPER N. PLATTE
ARAPAHO RIDGE 10960 26.2 19.3 136 26.1 20.8 125
BLACKHALL MTN 9820 36.3 -M * 27.9 -M *
COLUMBINE 9160 34.7 22.3 156 -M 24.0 *
DIVIDE PEAK 8880 18.7 19.1 98 21.5 20.1 107
JOE WRIGHT 10120 22.1 19.9 111 30.6 24.2 126
LAPRELE CREEK 8375 9.5 9.4 101 10.9 11.5 95
MED BOW 10500 8.3 -M * 35.4 -M *
NORTH FRENCH CREEK 10130 34.9 27.3 128 32.4 25.2 129
NEVER SUMMER 10280 24.0 19.1 126 18.3 -M *
OLD BATTLE 10000 32.7 28.6 114 34.8 32.9 106
RAWAH 9020 14.4 10.1 143 16.8 13.1 128
SAGE CREEK BASIN 7850 12.6 12.5 101 11.7 13.6 86
SAND LAKE 10050 33.1 26.7 124 31.4 23.1 136
SOUTH BRUSH CREEK 8440 12.2 12.1 101 14.2 14.2 100
TOWER 10500 49.9 42.7 117 -M 37.5 *
WEBBER SPRINGS 9250 25.5 22.6 113 27.6 25.1 110
WILLOW CREEK PASS 9540 14.5 11.6 125 14.3 12.5 114
ZIRKEL 9340 40.8 26.2 156 -M 26.8 *
----- -----
Basin Index (%) 123 115
SWEETWATER
DEER PARK 9700 -M 14.3 * 18.2 18.3 99
LARSEN CREEK 9000 13.4 11.9 113 15.2 -M *
SOUTH PASS 9040 15.8 14.6 108 14.7 16.3 90
----- -----
Basin Index (%) 110 95
LOWER N. PLATTE
CASPER MTN. 7900 17.7 12.9 137 15.3 13.7 112
LAPRELE CREEK 8375 9.5 9.4 101 10.9 11.5 95
RENO HILL 8400 17.6 12.8 138 19.5 14.1 138
WINDY PEAK 7900 9.2 7.7 119 11.6 9.8 118
----- -----
Basin Index (%) 126 117
LARAMIE RIVER
BROOKLYN LAKE 10240 30.8 19.1 161 28.3 19.6 144
CINNABAR PARK 9574 23.6 19.6 120 29.0 22.7 128
CROW CREEK 8330 7.0 6.8 103 11.4 9.9 115
DEADMAN HILL 10220 24.2 15.1 160 22.7 16.0 142
RAWAH 9020 14.4 10.1 143 16.8 13.1 128
ROACH 9700 20.6 15.0 137 23.3 17.9 130
----- -----
Basin Index (%) 141 133
S. PLATTE
BLACK MOUNTAIN 8920 12.5 -M * -M -M *
CROW CREEK 8330 7.0 6.8 103 11.4 9.9 115
DEADMAN HILL 10220 24.2 15.1 160 22.7 16.0 142
----- -----
Basin Index (%) 142 132
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 11.2 10.9 103 16.3 14.2 115
DIVIDE PEAK 8880 18.7 19.1 98 21.5 20.1 107
ELK RIVER 8700 21.3 18.0 118 21.6 18.9 114
LITTLE SNAKE RIVER 8915 30.8 22.3 138 33.6 27.8 121
OLD BATTLE 10000 32.7 28.6 114 34.8 32.9 106
SAGE CREEK BASIN 7850 12.6 12.5 101 11.7 13.6 86
SANDSTONE RS 8150 11.7 13.1 89 17.2 17.4 99
WHISKEY PARK 8950 40.2 25.0 161 38.5 26.4 146
----- -----
Basin Index (%) 120 114
UPPER GREEN RIVER
BIG SANDY OPENING 9080 15.3 12.2 125 14.3 12.5 114
BLIND BULL SUM 8650 35.5 21.8 163 22.8 18.5 123
EAST RIM DIVIDE 7930 17.4 9.8 178 15.2 11.2 136
ELKHART PARK G.S. 9400 17.5 11.7 150 16.1 12.6 128
GROS VENTRE SUMMIT 8750 14.3 12.6 113 14.4 12.2 118
GUNSIGHT PASS 9820 19.9 13.1 152 18.3 12.9 142
KENDALL R.S. 7740 22.4 11.3 198 22.8 13.6 168
LOOMIS PARK 8240 24.6 14.4 171 24.2 16.4 148
NEW FORK LAKE 8340 16.1 10.2 158 13.5 10.2 132
POCKET CREEK 9360 12.5 -M * 12.3 -M *
SNIDER BASIN 8060 20.1 11.8 170 19.0 13.4 142
SPRING CREEK DIVIDE 9000 34.6 22.4 154 31.5 22.6 139
TRIPLE PEAK 8500 35.0 21.1 166 36.3 24.0 151
----- -----
Basin Index (%) 158 138
LOWER GREEN RIVER
BLACKS FORK JCT 8870 8.4 -M * 12.8 -M *
BUCK PASTURE 9700 14.4 -M * 15.7 -M *
EF BLACKS FORK GS 9360 9.7 -M * 9.6 -M *
HAMS FORK 7840 16.5 10.6 156 13.5 10.8 125
HEWINTA 9519 10.8 10.4 104 13.4 13.1 102
HICKERSON PARK 9145 7.3 7.2 101 8.4 9.4 89
HOLE-IN-ROCK 9150 6.6 7.0 94 8.7 8.9 98
INDIAN CREEK 9425 31.7 23.2 137 25.8 21.3 121
KELLEY R.S. 8180 18.7 14.7 127 20.5 17.2 119
SPIRIT LK 10235 9.2 -M * 12.4 -M *
STEEL CREEK PARK 10200 18.6 14.6 127 15.4 15.3 101
----- -----
Basin Index (%) 126 110
UPPER BEAR RIVER
BEAR RIVER RS 8777 9.9 -M * 11.8 -M *
BUG LAKE 7950 22.9 17.9 128 19.8 18.3 108
BURTS MILLER RANCH 8000 7.5 -M * 6.7 -M *
CHALK CREEK #1 8993 21.8 22.7 96 21.6 23.6 92
HAYDEN FORK 9212 16.2 14.8 109 19.5 19.7 99
KELLEY R.S. 8180 18.7 14.7 127 20.5 17.2 119
LILY LAKE 9156 13.5 11.9 113 14.5 16.0 91
MONTE CRISTO 8960 26.4 25.6 103 24.1 24.5 98
SALT RIVER SUMMIT 7760 17.9 12.7 141 18.8 15.8 119
----- -----
Basin Index (%) 114 103
-----------------------------------------------------------------------------
-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.