Supercell over Laramie
WRDS/SCO may be working remotely so there could be a slight delay returning phone calls. Please email wrds@uwyo.edu if you are in need of information and we will respond as soon as possible

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: DECEMBER 16 , 2016 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 8.2 5.5 149 15.3 8.2 187 Black Bear 8170 12.3 13.2 93 21.9 14.3 153 Blind Bull Sum 8650 11.6 7.2 161 12.7 7.6 167 Cottonwood Creek 7670 7.6 6.5 117 14.6 9.0 162 East Rim Divide 7930 4.5 3.1 145 7.9 4.4 180 Grand Targhee 9260 19.8 13.3 149 19.6 12.2 161 Granite Creek 6770 6.8 4.3 158 13.1 7.4 177 Grassy Lake 7265 11.5 9.4 122 23.3 13.3 175 Gros Ventre Summit 8750 4.7 4.6 102 9.1 5.1 178 Gunsight Pass 9820 5.2 4.2 124 9.5 5.2 183 Lewis Lake Divide 7850 -M 9.6 * 21.2 13.4 158 Phillips Bench 8200 7.9 8.1 98 17.0 10.1 168 Salt River Summit 7760 3.7 3.3 112 9.6 5.9 163 Snake River Station 6920 7.8 4.7 166 16.5 9.0 183 Spring Creek Divide 9000 9.6 7.6 126 15.1 8.7 174 Thumb Divide 7980 4.8 4.4 109 10.8 7.1 152 Togwotee Pass 9580 10.7 8.9 120 14.5 9.4 154 Two Ocean Plateau 9240 15.3 10.5 146 17.1 10.5 163 Willow Creek 8380 8.7 8.1 107 19.3 12.7 152 Younts Peak 8350 5.7 5.4 106 10.3 6.3 163 ----- ----- Basin Index (%) 126 166 MADISON-GALLATIN Black Bear 8170 12.3 13.2 93 21.9 14.3 153 Canyon 7870 -M 4.0 * -M 6.3 * Madison Plateau 7750 6.3 7.6 83 16.4 9.8 167 West Yellowstone 6700 3.3 3.1 106 10.5 5.6 188 Whiskey Creek 6800 3.7 4.5 82 11.4 7.9 144 ----- ----- Basin Index (%) 90 160 YELLOWSTONE Beartooth Lake 9360 -M 7.8 * 5.9 7.3 81 Burnt Mtn 5880 2.6 1.6 162 6.3 6.0 105 Canyon 7870 -M 4.0 * -M 6.3 * Cole Creek 7850 4.0 5.6 71 3.9 5.7 68 Evening Star 9200 11.6 8.9 130 17.4 10.8 161 Fisher Creek 9100 11.4 11.5 99 16.7 12.1 138 Northeast Entrance 7350 3.6 2.6 138 8.9 5.1 175 Parker Peak 9400 -M 7.8 * 13.0 7.1 183 Sylvan Lake 8420 7.0 7.1 99 17.2 9.2 187 Thumb Divide 7980 4.8 4.4 109 10.8 7.1 152 Two Ocean Plateau 9240 15.3 10.5 146 17.1 10.5 163 White Mill 8700 9.3 7.8 119 13.1 9.2 142 Wolverine 7650 5.3 3.3 161 8.9 5.2 171 ----- ----- Basin Index (%) 118 146 WIND RIVER Burroughs Creek 8750 6.3 -M * 8.6 -M * Castle Creek 8400 3.4 -M * 5.6 -M * Cold Springs 9630 3.1 2.7 115 5.3 4.3 123 Deer Park 9700 5.7 5.0 114 9.5 7.2 132 Hobbs Park 10100 6.3 5.8 109 7.0 5.4 130 Kirwin 9550 -M 4.0 * 7.8 4.8 162 Little Warm 9370 2.9 3.7 78 7.3 5.2 140 Owl Creek 8975 1.9 2.2 86 3.4 2.6 131 South Pass 9040 5.7 5.2 110 6.2 7.0 89 St. Lawrence Alt 8620 1.6 2.6 62 4.8 3.8 126 Togwotee Pass 9580 10.7 8.9 120 14.5 9.4 154 Townsend Creek 8700 2.5 3.2 78 5.6 5.1 110 ----- ----- Basin Index (%) 103 130 BIGHORN BASIN Bald Mtn. 9380 8.8 6.8 129 7.4 6.5 114 Bear Trap Meadow 8200 1.3 2.0 65 3.3 3.7 89 Bone Springs Div 9350 5.8 6.1 95 6.8 5.9 115 Grave Springs 8550 2.0 2.5 80 3.5 4.2 83 Kirwin 9550 -M 4.0 * 7.8 4.8 162 Marquette 8760 3.6 -M * 5.8 -M * Middle Powder 7760 2.6 3.7 70 3.4 5.2 65 Owl Creek 8975 1.9 2.2 86 3.4 2.6 131 Powder River Pass 9480 1.3 3.7 35 4.3 5.0 86 Shell Creek 9580 6.7 5.9 114 5.9 5.5 107 Timber Creek 7950 2.2 2.0 110 3.6 3.6 100 ----- ----- Basin Index (%) 93 105 SHOSHONE RIVER Blackwater 9780 13.4 8.6 156 -M 8.4 * Evening Star 9200 11.6 8.9 130 17.4 10.8 161 Marquette 8760 3.6 -M * 5.8 -M * Sylvan Road 7120 4.8 4.0 120 14.0 7.6 184 Younts Peak 8350 5.7 5.4 106 10.3 6.3 163 ----- ----- Basin Index (%) 132 169 POWDER RIVER Bear Trap Meadow 8200 1.3 2.0 65 3.3 3.7 89 Cloud Peak Reservoir 9860 3.0 4.9 61 5.3 5.5 96 Grave Springs 8550 2.0 2.5 80 3.5 4.2 83 Hansen Sawmill 8360 1.9 2.2 86 3.4 3.6 94 Middle Powder 7760 2.6 3.7 70 3.4 5.2 65 Powder River Pass 9480 1.3 3.7 35 4.3 5.0 86 Soldier Park 8720 1.9 -M * 4.1 -M * ----- ----- Basin Index (%) 64 85 TONGUE RIVER Big Goose 7990 2.7 3.0 90 3.8 4.6 83 Bone Springs Div 9350 5.8 6.1 95 6.8 5.9 115 Burgess Junction 7880 2.9 3.8 76 4.7 5.0 94 Dome Lake 8880 2.6 4.4 59 5.3 5.8 91 Little Goose 8870 3.0 -M * 5.0 -M * Sucker Creek 8880 3.7 4.0 92 4.6 5.6 82 Tie Creek 6870 2.2 1.1 200 4.9 4.7 104 ----- ----- Basin Index (%) 89 95 BELLE FOURCHE Cole Canyon 5910 1.7 1.1 155 2.8 4.0 70 ----- ----- Basin Index (%) 155 70 CHEYENNE RIVER BASIN Blind Park 6890 2.6 2.1 124 3.8 5.1 75 North Rapid Creek 6130 2.3 2.4 96 2.6 4.3 60 ----- ----- Basin Index (%) 109 68 UPPER N. PLATTE Arapaho Ridge 10960 7.8 7.4 105 9.6 9.0 107 Blackhall Mtn 9820 8.8 -M * 11.2 -M * Columbine 9160 7.6 6.5 117 10.2 9.3 110 Divide Peak 8880 4.8 6.2 77 7.2 8.4 86 Joe Wright 10120 5.2 7.8 67 10.1 10.0 101 Laprele Creek 8375 2.5 2.9 86 3.0 5.0 60 Med Bow 10500 12.2 -M * 13.0 -M * North French Creek 10130 7.4 9.2 80 9.4 9.7 97 Never Summer 10280 6.4 6.7 96 6.9 -M * Old Battle 10000 7.8 10.1 77 9.4 13.2 71 Rawah 9020 3.9 3.5 111 6.6 6.0 110 Sage Creek Basin 7850 3.3 4.0 82 4.7 5.7 82 Sand Lake 10050 8.4 9.2 91 8.4 9.2 91 South Brush Creek 8440 2.8 3.7 76 4.6 5.9 78 Tower 10500 10.8 15.6 69 13.5 15.0 90 Webber Springs 9250 5.7 7.7 74 9.1 10.1 90 Willow Creek Pass 9540 4.8 4.4 109 6.1 5.5 111 Zirkel 9340 8.7 7.3 119 12.6 11.0 115 ----- ----- Basin Index (%) 87 94 SWEETWATER Deer Park 9700 5.7 5.0 114 9.5 7.2 132 Larsen Creek 9000 4.0 3.7 108 8.4 -M * South Pass 9040 5.7 5.2 110 6.2 7.0 89 ----- ----- Basin Index (%) 111 111 LOWER N. PLATTE Casper Mtn. 7900 3.0 4.6 65 3.9 6.4 61 Laprele Creek 8375 2.5 2.9 86 3.0 5.0 60 Reno Hill 8400 -M 4.8 * -M 6.0 * Windy Peak 7900 2.0 2.4 83 2.8 4.4 64 ----- ----- Basin Index (%) 76 61 LARAMIE RIVER Brooklyn Lake 10240 5.7 6.4 89 6.3 7.5 84 Cinnabar Park 9574 5.4 7.3 74 8.0 9.1 88 Crow Creek 8330 2.0 3.6 56 3.5 4.4 80 Deadman Hill 10220 6.2 5.6 111 6.7 6.4 105 Rawah 9020 3.9 3.5 111 6.6 6.0 110 Roach 9700 -M 5.1 * -M 7.2 * ----- ----- Basin Index (%) 88 93 S. PLATTE Black Mountain 8920 3.2 -M * 4.7 -M * Crow Creek 8330 2.0 3.6 56 3.5 4.4 80 Deadman Hill 10220 6.2 5.6 111 6.7 6.4 105 ----- ----- Basin Index (%) 89 94 LITTLE SNAKE RIVER Battle Mountain 7440 3.0 2.7 111 5.8 5.8 100 Divide Peak 8880 4.8 6.2 77 7.2 8.4 86 Elk River 8700 5.2 4.8 108 6.7 7.3 92 Little Snake River 8915 7.2 5.8 124 11.9 11.7 102 Old Battle 10000 7.8 10.1 77 9.4 13.2 71 Sage Creek Basin 7850 3.3 4.0 82 4.7 5.7 82 Sandstone RS 8150 3.4 3.5 97 3.8 7.0 54 Whiskey Park 8950 7.0 7.3 96 10.1 9.7 104 ----- ----- Basin Index (%) 94 87 UPPER GREEN RIVER Big Sandy Opening 9080 6.1 4.6 133 8.8 5.1 173 Blind Bull Sum 8650 11.6 7.2 161 12.7 7.6 167 East Rim Divide 7930 4.5 3.1 145 7.9 4.4 180 Elkhart Park G.S. 9400 4.4 4.2 105 9.6 5.2 185 Gros Ventre Summit 8750 4.7 4.6 102 9.1 5.1 178 Gunsight Pass 9820 5.2 4.2 124 9.5 5.2 183 Kendall R.S. 7740 6.0 3.5 171 10.3 5.2 198 Loomis Park 8240 6.6 4.6 143 11.8 6.4 184 New Fork Lake 8340 5.0 3.3 152 5.8 4.2 138 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 4.5 3.7 122 9.7 5.2 187 Spring Creek Divide 9000 9.6 7.6 126 15.1 8.7 174 Triple Peak 8500 11.4 6.5 175 16.3 8.9 183 ----- ----- Basin Index (%) 139 178 LOWER GREEN RIVER Blacks Fork Jct 8870 3.7 -M * 5.1 -M * Buck Pasture 9700 5.1 -M * 7.5 -M * EF Blacks Fork GS 9360 4.4 -M * 5.5 -M * Hams Fork 7840 4.0 3.3 121 7.8 4.2 186 Hewinta 9519 3.4 2.8 121 5.6 5.6 100 Hickerson Park 9145 3.1 2.0 155 3.9 4.3 91 Hole-in-Rock 9150 2.0 2.3 87 3.9 4.1 95 Indian Creek 9425 8.9 7.8 114 12.6 7.8 162 Kelley R.S. 8180 6.2 4.4 141 11.6 6.7 173 Spirit Lk 10235 3.8 -M * 6.3 -M * Steel Creek Park 10200 5.3 5.3 100 7.0 6.4 109 ----- ----- Basin Index (%) 118 134 UPPER BEAR RIVER Bear River RS 8777 3.3 -M * 5.2 -M * Bug Lake 7950 7.8 5.1 153 9.8 7.4 132 Burts Miller Ranch 8000 1.9 -M * 3.1 -M * Chalk Creek #1 8993 8.1 8.1 100 10.1 9.6 105 Hayden Fork 9212 5.8 4.1 141 9.5 7.9 120 Kelley R.S. 8180 6.2 4.4 141 11.6 6.7 173 Lily Lake 9156 3.7 4.2 88 5.7 6.8 84 Monte Cristo 8960 7.8 7.8 100 11.2 9.5 118 Salt River Summit 7760 3.7 3.3 112 9.6 5.9 163 ----- ----- Basin Index (%) 116 125 ----------------------------------------------------------------------------- -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.