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: APRIL 26 , 2014
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WYOMING
SNAKE RIVER
BASE CAMP 7030 18.0 10.6 170 27.7 22.2 125
BLACK BEAR 8170 44.6 37.0 121 44.6 40.9 109
BLIND BULL SUM 8650 37.3 24.2 154 24.3 20.8 117
COTTONWOOD CREEK 7670 27.1 17.0 159 36.1 26.6 136
EAST RIM DIVIDE 7930 11.7 8.9 131 16.2 12.5 130
GRAND TARGHEE 9260 53.7 43.3 124 -M 33.6 *
GRANITE CREEK 6770 20.2 9.3 217 25.3 20.7 122
GRASSY LAKE 7265 38.8 30.1 129 43.0 38.4 112
GROS VENTRE SUMMIT 8750 14.6 12.3 119 15.1 14.1 107
GUNSIGHT PASS 9820 19.8 13.4 148 19.9 15.5 128
LEWIS LAKE DIVIDE 7850 42.1 30.7 137 43.1 37.7 114
PHILLIPS BENCH 8200 35.2 25.5 138 36.8 29.9 123
SALT RIVER SUMMIT 7760 13.7 8.4 163 20.2 17.9 113
SNAKE RIVER STATION 6920 14.7 9.8 150 27.8 24.2 115
SPRING CREEK DIVIDE 9000 37.5 23.9 157 34.1 25.5 134
THUMB DIVIDE 7980 20.1 14.1 143 21.3 20.3 105
TOGWOTEE PASS 9580 33.2 24.5 136 34.9 26.5 132
TWO OCEAN PLATEAU 9240 38.1 29.2 130 36.5 29.3 125
WILLOW CREEK 8380 39.7 25.3 157 43.7 36.5 120
YOUNTS PEAK 8350 -M 15.1 * -M 17.1 *
----- -----
Basin Index (%) 141 120
MADISON-GALLATIN
BLACK BEAR 8170 44.6 37.0 121 44.6 40.9 109
CANYON 7870 15.0 11.6 129 18.3 17.5 105
MADISON PLATEAU 7750 26.6 22.4 119 28.2 28.2 100
WEST YELLOWSTONE 6700 6.8 4.7 145 18.2 15.5 117
WHISKEY CREEK 6800 17.6 15.4 114 23.8 21.8 109
----- -----
Basin Index (%) 121 107
YELLOWSTONE
BEARTOOTH LAKE 9360 33.7 23.5 143 32.1 21.3 151
BURNT MTN 5880 5.5 .0 * 21.4 14.9 144
CANYON 7870 15.0 11.6 129 18.3 17.5 105
COLE CREEK 7850 24.3 16.3 149 18.2 15.5 117
EVENING STAR 9200 41.9 24.6 170 43.8 29.6 148
FISHER CREEK 9100 47.2 33.2 142 43.0 34.3 125
NORTHEAST ENTRANCE 7350 11.9 4.9 243 17.4 13.4 130
PARKER PEAK 9400 36.2 21.8 166 32.2 19.4 166
SYLVAN LAKE 8420 24.1 20.3 119 31.9 24.3 131
THUMB DIVIDE 7980 20.1 14.1 143 21.3 20.3 105
TWO OCEAN PLATEAU 9240 38.1 29.2 130 36.5 29.3 125
WHITE MILL 8700 35.0 23.8 147 31.8 25.6 124
WOLVERINE 7650 14.2 5.2 273 18.8 13.3 141
----- -----
Basin Index (%) 152 132
WIND RIVER
BURROUGHS CREEK 8750 -M 13.1 * -M 17.3 *
CASTLE CREEK 8400 6.9 -M * 13.1 -M *
COLD SPRINGS 9630 7.5 2.7 278 13.8 11.8 117
DEER PARK 9700 -M 16.3 * 20.8 22.8 91
HOBBS PARK 10100 15.3 15.7 97 15.2 15.9 96
KIRWIN 9550 18.4 10.2 180 19.4 13.2 147
LITTLE WARM 9370 13.1 9.4 139 17.9 14.6 123
OWL CREEK 8975 2.7 2.3 117 8.5 7.4 115
SOUTH PASS 9040 14.7 15.2 97 16.2 19.6 83
ST. LAWRENCE ALT 8620 .2 4.6 4 9.4 10.9 86
TOGWOTEE PASS 9580 33.2 24.5 136 34.9 26.5 132
TOWNSEND CREEK 8700 5.4 8.7 62 10.6 14.3 74
----- -----
Basin Index (%) 118 106
BIGHORN BASIN
BALD MTN. 9380 28.2 20.5 138 22.4 18.9 119
BEAR TRAP MEADOW 8200 8.2 1.7 482 12.6 10.0 126
BONE SPRINGS DIV 9350 24.7 16.4 151 19.4 17.4 111
GRAVE SPRINGS 8550 12.0 9.2 130 13.9 12.3 113
KIRWIN 9550 18.4 10.2 180 19.4 13.2 147
MARQUETTE 8760 14.7 -M * 14.5 -M *
MIDDLE POWDER 7760 17.9 12.2 147 15.8 13.5 117
OWL CREEK 8975 2.7 2.3 117 8.5 7.4 115
POWDER RIVER PASS 9480 15.0 10.1 149 18.2 14.3 127
SHELL CREEK 9580 20.9 15.9 131 18.7 15.5 121
TIMBER CREEK 7950 3.0 3.6 83 10.5 9.2 114
----- -----
Basin Index (%) 148 121
SHOSHONE RIVER
BLACKWATER 9780 35.1 24.6 143 32.4 22.7 143
EVENING STAR 9200 41.9 24.6 170 43.8 29.6 148
MARQUETTE 8760 14.7 -M * 14.5 -M *
SYLVAN ROAD 7120 9.1 7.9 115 24.0 18.0 133
YOUNTS PEAK 8350 -M 15.1 * -M 17.1 *
----- -----
Basin Index (%) 151 143
POWDER RIVER
BEAR TRAP MEADOW 8200 8.2 1.7 482 12.6 10.0 126
CLOUD PEAK RESERVOIR 9860 22.3 16.4 136 20.8 15.8 132
GRAVE SPRINGS 8550 12.0 9.2 130 13.9 12.3 113
HANSEN SAWMILL 8360 8.4 4.1 205 14.0 10.3 136
MIDDLE POWDER 7760 17.9 12.2 147 15.8 13.5 117
POWDER RIVER PASS 9480 15.0 10.1 149 18.2 14.3 127
SOLDIER PARK 8720 11.8 -M * 13.6 -M *
----- -----
Basin Index (%) 156 125
TONGUE RIVER
BIG GOOSE 7990 12.7 9.1 140 17.1 13.5 127
BONE SPRINGS DIV 9350 24.7 16.4 151 19.4 17.4 111
BURGESS JUNCTION 7880 17.3 12.4 140 18.2 14.1 129
DOME LAKE 8880 16.5 11.8 140 17.5 15.6 112
LITTLE GOOSE 8870 14.6 -M * 19.3 -M *
SUCKER CREEK 8880 17.9 12.6 142 21.8 16.6 131
TIE CREEK 6870 6.8 3.2 212 17.0 13.6 125
----- -----
Basin Index (%) 146 122
BELLE FOURCHE
COLE CANYON 5910 4.2 .6 700 14.9 11.0 135
----- -----
Basin Index (%) 700 135
CHEYENNE RIVER BASIN
BLIND PARK 6890 2.1 3.2 66 17.2 13.7 126
NORTH RAPID CREEK 6130 2.1 3.1 68 16.3 11.7 139
----- -----
Basin Index (%) 67 132
UPPER N. PLATTE
ARAPAHO RIDGE 10960 28.9 21.9 132 29.4 25.6 115
BLACKHALL MTN 9820 39.1 -M * -M -M *
COLUMBINE 9160 31.3 20.3 154 -M 27.8 *
DIVIDE PEAK 8880 16.5 18.0 92 25.1 23.7 106
JOE WRIGHT 10120 26.0 23.4 111 34.1 29.0 118
LAPRELE CREEK 8375 5.3 7.2 74 12.6 14.5 87
MED BOW 10500 -M -M * 42.8 -M *
NORTH FRENCH CREEK 10130 38.0 32.8 116 37.4 29.8 126
NEVER SUMMER 10280 26.8 21.3 126 21.8 -M *
OLD BATTLE 10000 36.1 34.3 105 39.4 38.2 103
RAWAH 9020 8.9 8.0 111 19.1 16.7 114
SAGE CREEK BASIN 7850 4.3 2.2 195 13.8 15.7 88
SAND LAKE 10050 35.2 31.1 113 34.9 28.1 124
SOUTH BRUSH CREEK 8440 7.6 10.0 76 16.6 17.2 97
TOWER 10500 54.5 49.5 110 -M 43.6 *
WEBBER SPRINGS 9250 22.1 21.9 101 30.6 29.2 105
WILLOW CREEK PASS 9540 16.1 13.8 117 16.6 15.2 109
ZIRKEL 9340 38.1 22.1 172 -M 30.4 *
----- -----
Basin Index (%) 117 109
SWEETWATER
DEER PARK 9700 -M 16.3 * 20.8 22.8 91
LARSEN CREEK 9000 8.4 9.7 87 16.5 -M *
SOUTH PASS 9040 14.7 15.2 97 16.2 19.6 83
----- -----
Basin Index (%) 93 87
LOWER N. PLATTE
CASPER MTN. 7900 16.2 14.2 114 17.3 17.3 100
LAPRELE CREEK 8375 5.3 7.2 74 12.6 14.5 87
RENO HILL 8400 17.5 13.7 128 22.6 18.1 125
WINDY PEAK 7900 6.3 5.8 109 13.4 12.5 107
----- -----
Basin Index (%) 111 106
LARAMIE RIVER
BROOKLYN LAKE 10240 30.3 22.9 132 32.1 23.9 134
CINNABAR PARK 9574 24.7 20.0 124 31.3 26.3 119
CROW CREEK 8330 .8 .0 * 13.0 12.9 101
DEADMAN HILL 10220 26.0 18.3 142 25.3 20.0 126
RAWAH 9020 8.9 8.0 111 19.1 16.7 114
ROACH 9700 20.4 16.9 121 26.4 21.6 122
----- -----
Basin Index (%) 129 121
S. PLATTE
BLACK MOUNTAIN 8920 10.2 -M * -M -M *
CROW CREEK 8330 .8 .0 * 13.0 12.9 101
DEADMAN HILL 10220 26.0 18.3 142 25.3 20.0 126
----- -----
Basin Index (%) 146* 116
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 1.9 1.6 119 19.0 16.7 114
DIVIDE PEAK 8880 16.5 18.0 92 25.1 23.7 106
ELK RIVER 8700 16.1 14.4 112 24.2 22.1 110
LITTLE SNAKE RIVER 8915 26.4 23.2 114 36.7 31.8 115
OLD BATTLE 10000 36.1 34.3 105 39.4 38.2 103
SAGE CREEK BASIN 7850 4.3 2.2 195 13.8 15.7 88
SANDSTONE RS 8150 5.6 8.2 68 19.2 20.2 95
WHISKEY PARK 8950 38.2 25.6 149 42.3 30.6 138
----- -----
Basin Index (%) 114 110
UPPER GREEN RIVER
BIG SANDY OPENING 9080 15.1 12.0 126 15.4 14.7 105
BLIND BULL SUM 8650 37.3 24.2 154 24.3 20.8 117
EAST RIM DIVIDE 7930 11.7 8.9 131 16.2 12.5 130
ELKHART PARK G.S. 9400 17.9 11.8 152 17.4 14.5 120
GROS VENTRE SUMMIT 8750 14.6 12.3 119 15.1 14.1 107
GUNSIGHT PASS 9820 19.8 13.4 148 19.9 15.5 128
KENDALL R.S. 7740 18.0 6.3 286 23.6 15.0 157
LOOMIS PARK 8240 22.5 11.6 194 25.6 18.4 139
NEW FORK LAKE 8340 12.2 7.2 169 13.7 11.6 118
POCKET CREEK 9360 12.2 -M * 13.1 -M *
SNIDER BASIN 8060 14.5 10.0 145 20.0 15.2 132
SPRING CREEK DIVIDE 9000 37.5 23.9 157 34.1 25.5 134
TRIPLE PEAK 8500 33.1 18.9 175 38.3 27.1 141
----- -----
Basin Index (%) 158 129
LOWER GREEN RIVER
BLACKS FORK JCT 8870 3.2 -M * 14.5 -M *
BUCK PASTURE 9700 10.7 -M * 18.4 -M *
EF BLACKS FORK GS 9360 5.0 -M * 10.6 -M *
HAMS FORK 7840 9.5 4.6 207 14.8 12.6 117
HEWINTA 9519 5.2 6.5 80 15.5 15.6 99
HICKERSON PARK 9145 .1 5.1 2 9.4 11.6 81
HOLE-IN-ROCK 9150 .3 4.6 7 10.7 11.1 96
INDIAN CREEK 9425 31.5 23.8 132 27.8 24.3 114
KELLEY R.S. 8180 15.6 11.8 132 21.3 19.6 109
SPIRIT LK 10235 7.3 -M * 15.0 -M *
STEEL CREEK PARK 10200 20.7 16.6 125 17.6 18.5 95
----- -----
Basin Index (%) 114 103
UPPER BEAR RIVER
BEAR RIVER RS 8777 .3 -M * 13.8 -M *
BUG LAKE 7950 19.7 16.2 122 21.7 21.1 103
BURTS MILLER RANCH 8000 .2 -M * 7.5 -M *
CHALK CREEK #1 8993 19.6 24.7 79 24.9 27.7 90
HAYDEN FORK 9212 8.5 10.4 82 23.2 23.1 100
KELLEY R.S. 8180 15.6 11.8 132 21.3 19.6 109
LILY LAKE 9156 9.8 9.8 100 16.6 19.0 87
MONTE CRISTO 8960 23.1 27.3 85 27.1 28.4 95
SALT RIVER SUMMIT 7760 13.7 8.4 163 20.2 17.9 113
----- -----
Basin Index (%) 101 99
-----------------------------------------------------------------------------
-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.