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 THURSDAY: NOVEMBER 7 , 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 1.8 .6 300* 3.0 2.7 111
BLACK BEAR 8170 5.8 3.8 153 6.2 5.1 122
BLIND BULL SUM 8650 2.5 2.1 119* 2.8 2.6 108
COTTONWOOD CREEK 7670 3.0 1.4 214* 4.3 3.5 123
EAST RIM DIVIDE 7930 .9 .6 150* 2.0 1.8 111
GRAND TARGHEE 9260 6.9 5.6 123 6.9 6.4 108
GRANITE CREEK 6770 1.0 .7 143* 2.3 2.5 92
GRASSY LAKE 7265 3.1 1.8 172* 4.9 4.6 107
GROS VENTRE SUMMIT 8750 2.9 2.0 145 2.9 2.2 132
GUNSIGHT PASS 9820 3.1 1.5 207 3.3 2.6 127
LEWIS LAKE DIVIDE 7850 2.0 1.9 105* 3.5 4.4 80
PHILLIPS BENCH 8200 3.2 1.9 168* 4.2 3.3 127
SALT RIVER SUMMIT 7760 1.3 .5 260* 3.0 2.2 136
SNAKE RIVER STATION 6920 1.6 .6 267* 2.9 3.3 88
SPRING CREEK DIVIDE 9000 2.6 1.9 137* 3.2 3.0 107
THUMB DIVIDE 7980 1.1 1.1 100* 2.3 2.9 79
TOGWOTEE PASS 9580 5.1 3.3 155 4.2 3.7 114
TWO OCEAN PLATEAU 9240 5.3 4.3 123 4.0 4.1 98
WILLOW CREEK 8380 3.3 1.8 183* 6.3 4.8 131
YOUNTS PEAK 8350 -M 1.9 * -M 2.8 *
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Basin Index (%) 151* 110
MADISON-GALLATIN
BLACK BEAR 8170 5.8 3.8 153 6.2 5.1 122
CANYON 7870 1.8 1.2 150* 3.2 2.5 128
MADISON PLATEAU 7750 2.0 1.9 105* 4.0 3.7 108
WEST YELLOWSTONE 6700 .9 .3 300* 2.0 2.4 83
WHISKEY CREEK 6800 1.4 1.0 140* 2.7 3.0 90
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Basin Index (%) 145* 108
YELLOWSTONE
BEARTOOTH LAKE 9360 4.2 3.6 117 3.0 2.9 103
BURNT MTN 5880 1.9 .0 * 6.1 3.7 165
CANYON 7870 1.8 1.2 150* 3.2 2.5 128
COLE CREEK 7850 5.1 3.0 170 4.3 3.6 119
EVENING STAR 9200 5.4 3.2 169 5.3 4.2 126
FISHER CREEK 9100 5.2 3.8 137 4.4 4.7 94
NORTHEAST ENTRANCE 7350 .9 .3 300* 1.8 2.2 82
PARKER PEAK 9400 5.7 3.2 178 4.7 3.2 147
SYLVAN LAKE 8420 3.7 2.3 161 5.1 3.9 131
THUMB DIVIDE 7980 1.1 1.1 100* 2.3 2.9 79
TWO OCEAN PLATEAU 9240 5.3 4.3 123 4.0 4.1 98
WHITE MILL 8700 4.4 2.8 157 3.5 3.7 95
WOLVERINE 7650 .9 .4 225* 2.2 2.3 96
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Basin Index (%) 156 114
WIND RIVER
BURROUGHS CREEK 8750 -M 1.5 * -M 2.5 *
CASTLE CREEK 8400 .3 -M * 2.2 -M *
COLD SPRINGS 9630 2.8 1.2 233 4.3 2.3 187
DEER PARK 9700 2.9 2.0 145 3.4 3.6 94
HOBBS PARK 10100 4.0 2.3 174 4.3 2.7 159
KIRWIN 9550 3.7 2.0 185 2.8 2.5 112
LITTLE WARM 9370 2.9 1.5 193 3.8 2.4 158
OWL CREEK 8975 2.0 1.0 200 2.3 1.5 153
SOUTH PASS 9040 2.2 1.7 129 3.3 3.0 110
ST. LAWRENCE ALT 8620 1.4 1.0 140 3.8 2.1 181
TOGWOTEE PASS 9580 5.1 3.3 155 4.2 3.7 114
TOWNSEND CREEK 8700 1.7 1.2 142 3.2 2.7 119
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Basin Index (%) 167 134
BIGHORN BASIN
BALD MTN. 9380 6.0 3.7 162 4.8 3.3 145
BEAR TRAP MEADOW 8200 2.6 .7 371 4.0 2.1 190
BONE SPRINGS DIV 9350 3.9 3.2 122 3.5 3.2 109
GRAVE SPRINGS 8550 3.7 1.1 336 4.5 2.6 173
KIRWIN 9550 3.7 2.0 185 2.8 2.5 112
MARQUETTE 8760 3.5 -M * 4.5 -M *
MIDDLE POWDER 7760 5.3 1.3 408 5.2 2.9 179
OWL CREEK 8975 2.0 1.0 200 2.3 1.5 153
POWDER RIVER PASS 9480 3.6 1.7 212 3.9 2.6 150
SHELL CREEK 9580 4.3 3.4 126 3.5 2.9 121
TIMBER CREEK 7950 2.2 .8 275 3.8 2.4 158
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Basin Index (%) 197 147
SHOSHONE RIVER
BLACKWATER 9780 5.6 3.4 165 3.6 3.6 100
EVENING STAR 9200 5.4 3.2 169 5.3 4.2 126
MARQUETTE 8760 3.5 -M * 4.5 -M *
SYLVAN ROAD 7120 1.9 .6 317* 4.0 3.0 133
YOUNTS PEAK 8350 -M 1.9 * -M 2.8 *
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Basin Index (%) 179* 119
POWDER RIVER
BEAR TRAP MEADOW 8200 2.6 .7 371 4.0 2.1 190
CLOUD PEAK RESERVOIR 9860 3.8 2.3 165 4.9 3.3 148
GRAVE SPRINGS 8550 3.7 1.1 336 4.5 2.6 173
HANSEN SAWMILL 8360 2.8 .8 350 4.1 2.1 195
MIDDLE POWDER 7760 5.3 1.3 408 5.2 2.9 179
POWDER RIVER PASS 9480 3.6 1.7 212 3.9 2.6 150
SOLDIER PARK 8720 2.2 -M * 3.9 -M *
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Basin Index (%) 276 171
TONGUE RIVER
BIG GOOSE 7990 2.5 1.2 208 4.7 2.8 168
BONE SPRINGS DIV 9350 3.9 3.2 122 3.5 3.2 109
BURGESS JUNCTION 7880 3.1 1.6 194 4.7 2.8 168
DOME LAKE 8880 1.8 2.3 78 3.9 3.2 122
LITTLE GOOSE 8870 3.3 -M * 5.5 -M *
SUCKER CREEK 8880 4.4 1.9 232 5.5 3.2 172
TIE CREEK 6870 1.3 .3 433* 4.8 3.0 160
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Basin Index (%) 162 149
BELLE FOURCHE
COLE CANYON 5910 1.3 .0 * 7.4 2.5 296
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Basin Index (%) * 296
CHEYENNE RIVER BASIN
BLIND PARK 6890 2.1 .9 233 7.9 3.1 255
NORTH RAPID CREEK 6130 3.1 .6 517* 7.9 2.8 282
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Basin Index (%) 347 268
UPPER N. PLATTE
ARAPAHO RIDGE 10960 4.2 3.3 127 4.9 4.0 122
BLACKHALL MTN 9820 5.5 -M * 7.0 -M *
COLUMBINE 9160 2.6 1.2 217* 5.2 3.4 153
DIVIDE PEAK 8880 3.5 2.1 167 6.4 3.9 164
JOE WRIGHT 10120 2.9 3.4 85 6.7 4.4 152
LAPRELE CREEK 8375 1.0 .9 111* 3.1 2.5 124
MED BOW 10500 6.5 -M * 7.9 -M *
NORTH FRENCH CREEK 10130 6.3 3.2 197* 8.0 4.2 190
NEVER SUMMER 10280 4.1 2.7 152 4.8 -M *
OLD BATTLE 10000 5.7 3.4 168* 6.8 5.2 131
RAWAH 9020 2.6 .8 325* 5.4 3.0 180
SAGE CREEK BASIN 7850 1.3 .9 144* 4.0 2.8 143
SAND LAKE 10050 6.0 3.5 171 6.6 3.9 169
SOUTH BRUSH CREEK 8440 3.1 .9 344* 5.2 2.9 179
TOWER 10500 8.6 5.3 162 9.3 5.8 160
WEBBER SPRINGS 9250 3.1 1.7 182* 5.2 4.0 130
WILLOW CREEK PASS 9540 3.1 1.7 182 3.6 2.5 144
ZIRKEL 9340 2.5 1.7 147* 5.2 4.8 108
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Basin Index (%) 165* 149
SWEETWATER
DEER PARK 9700 2.9 2.0 145 3.4 3.6 94
LARSEN CREEK 9000 .2 -M * 2.3 -M *
SOUTH PASS 9040 2.2 1.7 129 3.3 3.0 110
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Basin Index (%) 138 102
LOWER N. PLATTE
CASPER MTN. 7900 6.5 1.5 433 6.5 3.5 186
LAPRELE CREEK 8375 1.0 .9 111* 3.1 2.5 124
RENO HILL 8400 6.2 1.9 326 7.9 3.3 239
WINDY PEAK 7900 1.0 .7 143* 3.5 2.2 159
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Basin Index (%) 294 183
LARAMIE RIVER
BROOKLYN LAKE 10240 3.0 1.8 167* 4.0 3.0 133
CINNABAR PARK 9574 3.7 2.0 185* 5.2 3.6 144
CROW CREEK 8330 1.3 .7 186* 3.6 2.3 157
DEADMAN HILL 10220 4.1 2.4 171 5.1 3.0 170
RAWAH 9020 2.6 .8 325* 5.4 3.0 180
ROACH 9700 3.2 1.8 178 4.9 3.1 158
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Basin Index (%) 188* 157
S. PLATTE
BLACK MOUNTAIN 8920 2.2 -M * 3.5 -M *
CROW CREEK 8330 1.3 .7 186* 3.6 2.3 157
DEADMAN HILL 10220 4.1 2.4 171 5.1 3.0 170
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Basin Index (%) 174* 164
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 2.1 .0 * 4.6 2.6 177
DIVIDE PEAK 8880 3.5 2.1 167 6.4 3.9 164
ELK RIVER 8700 2.0 .5 400* 4.9 3.1 158
LITTLE SNAKE RIVER 8915 3.2 1.3 246* 7.2 5.3 136
OLD BATTLE 10000 5.7 3.4 168* 6.8 5.2 131
SAGE CREEK BASIN 7850 1.3 .9 144* 4.0 2.8 143
SANDSTONE RS 8150 1.8 .5 360* 5.0 3.0 167
WHISKEY PARK 8950 5.4 1.8 300* 7.8 3.8 205
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Basin Index (%) 238* 157
UPPER GREEN RIVER
BIG SANDY OPENING 9080 1.9 2.0 95 2.0 2.2 91
BLIND BULL SUM 8650 2.5 2.1 119* 2.8 2.6 108
EAST RIM DIVIDE 7930 .9 .6 150* 2.0 1.8 111
ELKHART PARK G.S. 9400 2.0 1.4 143 2.6 2.3 113
GROS VENTRE SUMMIT 8750 2.9 2.0 145 2.9 2.2 132
GUNSIGHT PASS 9820 3.1 1.5 207 3.3 2.6 127
KENDALL R.S. 7740 .5 .8 62* 1.9 2.1 90
LOOMIS PARK 8240 1.4 1.1 127* 2.7 2.3 117
NEW FORK LAKE 8340 1.0 1.0 100* 1.4 1.9 74
POCKET CREEK 9360 3.1 -M * 2.9 -M *
SNIDER BASIN 8060 1.3 .5 260* 2.2 1.9 116
SPRING CREEK DIVIDE 9000 2.6 1.9 137* 3.2 3.0 107
TRIPLE PEAK 8500 2.2 1.9 116* 3.4 3.1 110
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Basin Index (%) 133* 109
LOWER GREEN RIVER
BLACKS FORK JCT 8870 .0 -M * 2.7 -M *
BUCK PASTURE 9700 1.3 -M * 3.6 -M *
EF BLACKS FORK GS 9360 .9 -M * 2.7 -M *
HAMS FORK 7840 .8 .5 160* 2.7 1.8 150
HEWINTA 9519 .8 .4 200* 3.0 2.6 115
HICKERSON PARK 9145 1.0 .6 167* 2.9 2.4 121
HOLE-IN-ROCK 9150 .4 .5 80* 2.4 2.4 100
INDIAN CREEK 9425 2.1 2.7 78 3.2 3.0 107
KELLEY R.S. 8180 1.6 1.0 160* 3.1 2.5 124
SPIRIT LK 10235 2.0 -M * 3.8 -M *
STEEL CREEK PARK 10200 .0 2.0 0 3.5 3.0 117
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Basin Index (%) 87* 118
UPPER BEAR RIVER
BEAR RIVER RS 8777 .7 -M * 2.7 -M *
BUG LAKE 7950 .7 1.0 70* 2.4 2.7 89
BURTS MILLER RANCH 8000 .6 -M * 1.5 -M *
CHALK CREEK #1 8993 2.9 2.2 132* 4.2 3.9 108
HAYDEN FORK 9212 .9 .7 129* 3.7 3.3 112
KELLEY R.S. 8180 1.6 1.0 160* 3.1 2.5 124
LILY LAKE 9156 .7 1.0 70* 3.7 3.0 123
MONTE CRISTO 8960 1.6 1.2 133* 3.2 3.5 91
SALT RIVER SUMMIT 7760 1.3 .5 260* 3.0 2.2 136
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Basin Index (%) 128* 110
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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.
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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.