Supercell over Laramie
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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: JANUARY 30 , 2016 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 10.7 10.7 100 14.1 13.8 102 Black Bear 8170 21.0 23.2 91 23.7 24.6 96 Blind Bull Sum 8650 13.6 13.6 100 9.6 12.6 76 Cottonwood Creek 7670 12.1 12.5 97 14.3 15.6 92 East Rim Divide 7930 6.2 6.7 93 6.9 7.6 91 Grand Targhee 9260 26.3 23.4 112 20.6 20.5 100 Granite Creek 6770 9.4 10.2 92 11.5 13.4 86 Grassy Lake 7265 20.6 19.8 104 25.2 23.6 107 Gros Ventre Summit 8750 6.6 8.2 80 6.6 8.1 81 Gunsight Pass 9820 7.5 8.1 93 8.7 8.7 100 Lewis Lake Divide 7850 19.7 19.6 101 22.8 22.8 100 Phillips Bench 8200 13.8 15.9 87 17.0 18.0 94 Salt River Summit 7760 6.7 7.6 88 8.7 10.5 83 Snake River Station 6920 11.2 10.5 107 16.5 15.2 109 Spring Creek Divide 9000 13.6 14.0 97 13.2 15.2 87 Thumb Divide 7980 8.5 9.5 89 10.3 12.0 86 Togwotee Pass 9580 12.8 14.8 86 15.3 15.6 98 Two Ocean Plateau 9240 16.0 17.1 94 16.0 17.1 94 Willow Creek 8380 15.4 16.9 91 18.8 21.3 88 Younts Peak 8350 7.1 9.4 76 7.5 10.3 73 ----- ----- Basin Index (%) 95 94 MADISON-GALLATIN Black Bear 8170 21.0 23.2 91 23.7 24.6 96 Canyon 7870 7.5 8.0 94 9.5 10.5 90 Madison Plateau 7750 13.8 14.0 99 15.0 17.2 87 West Yellowstone 6700 8.0 7.0 114 10.0 9.5 105 Whiskey Creek 6800 9.0 9.5 95 11.0 13.1 84 ----- ----- Basin Index (%) 96 92 YELLOWSTONE Beartooth Lake 9360 10.7 13.6 79 11.3 12.7 89 Burnt Mtn 5880 2.2 2.4 92 6.7 7.8 86 Canyon 7870 7.5 8.0 94 9.5 10.5 90 Cole Creek 7850 4.3 8.2 52 -M 7.5 * Evening Star 9200 15.3 16.0 96 17.6 17.7 99 Fisher Creek 9100 18.0 20.3 89 16.9 20.4 83 Northeast Entrance 7350 5.2 6.3 83 8.2 8.1 101 Parker Peak 9400 12.2 12.8 95 13.4 11.2 120 Sylvan Lake 8420 10.6 12.8 83 15.1 14.6 103 Thumb Divide 7980 8.5 9.5 89 10.3 12.0 86 Two Ocean Plateau 9240 16.0 17.1 94 16.0 17.1 94 White Mill 8700 14.2 14.3 99 14.2 15.2 93 Wolverine 7650 8.3 6.9 120 8.8 8.1 109 ----- ----- Basin Index (%) 90 95 WIND RIVER Burroughs Creek 8750 7.2 -M * 8.4 -M * Castle Creek 8400 3.0 -M * 4.5 -M * Cold Springs 9630 3.7 4.4 84 4.5 6.1 74 Deer Park 9700 6.3 9.1 69 6.3 12.1 52 Hobbs Park 10100 5.5 7.9 70 5.4 7.7 70 Kirwin 9550 5.2 5.7 91 6.4 7.2 89 Little Warm 9370 4.8 6.2 77 6.5 8.0 81 Owl Creek 8975 2.0 3.1 65 2.6 3.5 74 South Pass 9040 5.3 8.5 62 4.4 10.8 41 St. Lawrence Alt 8620 2.0 4.1 49 3.2 5.3 60 Togwotee Pass 9580 12.8 14.8 86 15.3 15.6 98 Townsend Creek 8700 3.2 5.1 63 4.2 7.0 60 ----- ----- Basin Index (%) 74 71 BIGHORN BASIN Bald Mtn. 9380 6.7 10.7 63 6.3 10.6 59 Bear Trap Meadow 8200 3.0 3.4 88 3.2 5.1 63 Bone Springs Div 9350 5.8 9.7 60 5.4 9.5 57 Grave Springs 8550 2.9 4.9 59 2.5 6.4 39 Kirwin 9550 5.2 5.7 91 6.4 7.2 89 Marquette 8760 2.6 -M * 5.8 -M * Middle Powder 7760 4.1 6.2 66 2.6 7.3 36 Owl Creek 8975 2.0 3.1 65 2.6 3.5 74 Powder River Pass 9480 3.5 6.3 56 3.6 7.8 46 Shell Creek 9580 5.1 9.0 57 4.8 8.8 55 Timber Creek 7950 2.1 2.9 72 5.7 4.5 127 ----- ----- Basin Index (%) 65 61 SHOSHONE RIVER Blackwater 9780 13.0 14.6 89 14.8 13.1 113 Evening Star 9200 15.3 16.0 96 17.6 17.7 99 Marquette 8760 2.6 -M * 5.8 -M * Sylvan Road 7120 6.2 7.7 81 10.6 11.7 91 Younts Peak 8350 7.1 9.4 76 7.5 10.3 73 ----- ----- Basin Index (%) 87 96 POWDER RIVER Bear Trap Meadow 8200 3.0 3.4 88 3.2 5.1 63 Cloud Peak Reservoir 9860 3.9 8.2 48 -M 7.8 * Grave Springs 8550 2.9 4.9 59 2.5 6.4 39 Hansen Sawmill 8360 2.7 4.0 68 3.1 5.0 62 Middle Powder 7760 4.1 6.2 66 2.6 7.3 36 Powder River Pass 9480 3.5 6.3 56 3.6 7.8 46 Soldier Park 8720 1.3 -M * 3.0 -M * ----- ----- Basin Index (%) 61 47 TONGUE RIVER Big Goose 7990 2.4 4.8 50 3.2 6.5 49 Bone Springs Div 9350 5.8 9.7 60 5.4 9.5 57 Burgess Junction 7880 3.5 6.5 54 4.6 7.4 62 Dome Lake 8880 2.4 6.7 36 3.5 8.3 42 Little Goose 8870 3.0 -M * 4.0 -M * Sucker Creek 8880 4.0 7.0 57 4.4 8.6 51 Tie Creek 6870 1.2 3.3 36 3.4 7.0 49 ----- ----- Basin Index (%) 51 52 BELLE FOURCHE Cole Canyon 5910 2.9 3.2 91 4.6 5.6 82 ----- ----- Basin Index (%) 91 82 CHEYENNE RIVER BASIN Blind Park 6890 3.2 4.5 71 4.6 7.6 61 North Rapid Creek 6130 3.8 4.2 90 4.2 6.2 68 ----- ----- Basin Index (%) 80 64 UPPER N. PLATTE Arapaho Ridge 10960 14.1 13.0 108 14.7 13.9 106 Blackhall Mtn 9820 17.6 -M * 18.1 -M * Columbine 9160 13.8 14.4 96 14.6 16.1 91 Divide Peak 8880 11.8 12.1 98 14.4 13.4 107 Joe Wright 10120 9.4 12.8 73 14.7 15.8 93 Laprele Creek 8375 4.8 5.4 89 5.8 7.4 78 Med Bow 10500 20.2 -M * 18.9 -M * North French Creek 10130 15.4 15.8 97 15.8 16.7 95 Never Summer 10280 10.4 12.2 85 10.1 -M * Old Battle 10000 16.9 18.9 89 16.1 22.1 73 Rawah 9020 7.9 6.1 130 11.2 9.0 124 Sage Creek Basin 7850 9.1 8.2 111 8.4 9.6 88 Sand Lake 10050 15.8 16.2 98 15.4 14.9 103 South Brush Creek 8440 6.8 7.2 94 7.9 9.4 84 Tower 10500 20.9 27.0 77 20.5 25.1 82 Webber Springs 9250 12.6 13.4 94 14.6 16.8 87 Willow Creek Pass 9540 8.8 7.4 119 9.3 8.2 113 Zirkel 9340 14.9 18.1 82 17.2 18.5 93 ----- ----- Basin Index (%) 93 92 SWEETWATER Deer Park 9700 6.3 9.1 69 6.3 12.1 52 Larsen Creek 9000 3.8 7.1 54 6.6 -M * South Pass 9040 5.3 8.5 62 4.4 10.8 41 ----- ----- Basin Index (%) 62 47 LOWER N. PLATTE Casper Mtn. 7900 6.7 7.4 91 7.3 9.0 81 Laprele Creek 8375 4.8 5.4 89 5.8 7.4 78 Reno Hill 8400 8.0 7.6 105 10.1 8.8 115 Windy Peak 7900 4.6 4.1 112 5.6 6.3 89 ----- ----- Basin Index (%) 98 91 LARAMIE RIVER Brooklyn Lake 10240 13.1 11.9 110 12.8 12.7 101 Cinnabar Park 9574 12.0 13.0 92 13.9 15.7 89 Crow Creek 8330 4.8 5.7 84 8.3 6.4 130 Deadman Hill 10220 10.5 9.8 107 10.3 10.1 102 Rawah 9020 7.9 6.1 130 11.2 9.0 124 Roach 9700 9.9 9.8 101 11.5 11.7 98 ----- ----- Basin Index (%) 103 104 S. PLATTE Black Mountain 8920 7.3 -M * 10.0 -M * Crow Creek 8330 4.8 5.7 84 8.3 6.4 130 Deadman Hill 10220 10.5 9.8 107 10.3 10.1 102 ----- ----- Basin Index (%) 99 113 LITTLE SNAKE RIVER Battle Mountain 7440 8.4 6.9 122 10.1 9.5 106 Divide Peak 8880 11.8 12.1 98 14.4 13.4 107 Elk River 8700 10.6 10.9 97 12.0 12.5 96 Little Snake River 8915 13.3 15.2 88 19.4 20.3 96 Old Battle 10000 16.9 18.9 89 16.1 22.1 73 Sage Creek Basin 7850 9.1 8.2 111 8.4 9.6 88 Sandstone RS 8150 8.1 7.9 103 8.0 11.8 68 Whiskey Park 8950 15.1 15.6 97 16.1 17.6 91 ----- ----- Basin Index (%) 97 89 UPPER GREEN RIVER Big Sandy Opening 9080 5.5 8.0 69 6.2 8.2 76 Blind Bull Sum 8650 13.6 13.6 100 9.6 12.6 76 East Rim Divide 7930 6.2 6.7 93 6.9 7.6 91 Elkhart Park G.S. 9400 5.5 7.4 74 7.9 8.4 94 Gros Ventre Summit 8750 6.6 8.2 80 6.6 8.1 81 Gunsight Pass 9820 7.5 8.1 93 8.7 8.7 100 Kendall R.S. 7740 7.0 7.8 90 8.6 9.1 95 Loomis Park 8240 8.5 9.4 90 10.5 11.1 95 New Fork Lake 8340 6.4 6.7 96 7.4 7.0 106 Pocket Creek 9360 4.4 -M * 5.7 -M * Snider Basin 8060 7.6 7.4 103 7.4 9.1 81 Spring Creek Divide 9000 13.6 14.0 97 13.2 15.2 87 Triple Peak 8500 12.4 12.9 96 14.5 15.8 92 ----- ----- Basin Index (%) 91 89 LOWER GREEN RIVER Blacks Fork Jct 8870 7.9 -M * 7.4 -M * Buck Pasture 9700 7.6 -M * 10.1 -M * EF Blacks Fork GS 9360 5.4 -M * 6.0 -M * Hams Fork 7840 6.6 7.0 94 5.6 7.2 78 Hewinta 9519 6.6 5.5 120 8.2 8.5 96 Hickerson Park 9145 6.1 3.7 165 6.6 6.0 110 Hole-in-Rock 9150 5.3 3.9 136 7.4 5.7 130 Indian Creek 9425 12.1 14.3 85 10.0 13.8 72 Kelley R.S. 8180 8.2 8.9 92 9.4 11.4 82 Spirit Lk 10235 6.9 -M * 9.6 -M * Steel Creek Park 10200 9.8 8.5 115 11.9 9.8 121 ----- ----- Basin Index (%) 106 95 UPPER BEAR RIVER Bear River RS 8777 6.1 -M * 7.2 -M * Bug Lake 7950 11.4 10.3 111 11.4 12.2 93 Burts Miller Ranch 8000 3.8 -M * 3.6 -M * Chalk Creek #1 8993 12.1 13.3 91 13.1 15.5 85 Hayden Fork 9212 8.4 8.5 99 12.0 12.9 93 Kelley R.S. 8180 8.2 8.9 92 9.4 11.4 82 Lily Lake 9156 7.7 7.3 105 8.4 10.5 80 Monte Cristo 8960 15.1 15.7 96 15.9 16.1 99 Salt River Summit 7760 6.7 7.6 88 8.7 10.5 83 ----- ----- Basin Index (%) 97 89 ----------------------------------------------------------------------------- -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.