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 WEDNESDAY: MARCH 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 16.2 14.7 110 19.8 20.0 99 Black Bear 8170 31.9 35.7 89 33.6 36.3 93 Blind Bull Sum 8650 25.1 22.0 114 16.2 18.6 87 Cottonwood Creek 7670 21.4 21.0 102 25.0 23.4 107 East Rim Divide 7930 11.1 9.9 112 10.8 11.2 96 Grand Targhee 9260 38.7 35.7 108 29.5 28.8 102 Granite Creek 6770 14.4 15.0 96 16.9 18.9 89 Grassy Lake 7265 30.2 31.5 96 34.8 34.4 101 Gros Ventre Summit 8750 11.1 12.7 87 10.5 12.2 86 Gunsight Pass 9820 13.5 13.2 102 14.1 13.0 108 Lewis Lake Divide 7850 29.7 29.4 101 31.8 33.8 94 Phillips Bench 8200 22.2 23.9 93 25.4 26.8 95 Salt River Summit 7760 13.3 12.7 105 15.1 15.8 96 Snake River Station 6920 17.5 15.8 111 22.9 21.5 107 Spring Creek Divide 9000 24.8 22.4 111 22.9 22.7 101 Thumb Divide 7980 14.3 15.0 95 14.9 17.6 85 Togwotee Pass 9580 21.2 21.5 99 24.0 23.0 104 Two Ocean Plateau 9240 26.1 25.4 103 24.4 25.9 94 Willow Creek 8380 27.6 27.3 101 31.1 31.8 98 Younts Peak 8350 14.1 14.0 101 13.0 15.0 87 ----- ----- Basin Index (%) 101 97 MADISON-GALLATIN Black Bear 8170 31.9 35.7 89 33.6 36.3 93 Canyon 7870 10.7 12.3 87 13.1 15.4 85 Madison Plateau 7750 21.5 21.2 101 22.2 25.0 89 West Yellowstone 6700 10.5 10.2 103 13.0 13.4 97 Whiskey Creek 6800 13.4 14.9 90 16.1 19.2 84 ----- ----- Basin Index (%) 93 90 YELLOWSTONE Beartooth Lake 9360 16.5 20.8 79 17.0 18.6 91 Burnt Mtn 5880 1.7 4.4 39 9.8 11.8 83 Canyon 7870 10.7 12.3 87 13.1 15.4 85 Cole Creek 7850 8.5 13.2 64 9.9 11.8 84 Evening Star 9200 24.8 23.9 104 27.3 25.8 106 Fisher Creek 9100 28.0 29.7 94 25.1 30.2 83 Northeast Entrance 7350 7.4 9.7 76 11.3 11.6 97 Parker Peak 9400 19.6 18.6 105 20.1 16.7 120 Sylvan Lake 8420 17.5 19.0 92 22.6 21.1 107 Thumb Divide 7980 14.3 15.0 95 14.9 17.6 85 Two Ocean Plateau 9240 26.1 25.4 103 24.4 25.9 94 White Mill 8700 22.2 21.4 104 21.0 22.5 93 Wolverine 7650 9.4 9.0 104 11.9 11.5 103 ----- ----- Basin Index (%) 93 95 WIND RIVER Burroughs Creek 8750 10.8 -M * 12.6 -M * Castle Creek 8400 4.4 -M * 6.2 -M * Cold Springs 9630 8.8 7.1 124 9.1 9.4 97 Deer Park 9700 15.5 14.5 107 15.9 18.5 86 Hobbs Park 10100 14.8 13.1 113 13.6 12.3 111 Kirwin 9550 9.9 9.2 108 11.4 10.9 105 Little Warm 9370 9.4 10.1 93 11.1 12.1 92 Owl Creek 8975 4.7 5.2 90 4.8 5.6 86 South Pass 9040 13.6 14.7 93 11.7 16.4 71 St. Lawrence Alt 8620 6.3 6.7 94 8.3 8.3 100 Togwotee Pass 9580 21.2 21.5 99 24.0 23.0 104 Townsend Creek 8700 10.1 8.8 115 10.9 11.1 98 ----- ----- Basin Index (%) 103 95 BIGHORN BASIN Bald Mtn. 9380 13.7 18.1 76 11.4 16.0 71 Bear Trap Meadow 8200 7.0 5.1 137 6.1 7.9 77 Bone Springs Div 9350 11.6 15.4 75 9.8 14.6 67 Grave Springs 8550 6.9 8.7 79 5.5 9.8 56 Kirwin 9550 9.9 9.2 108 11.4 10.9 105 Marquette 8760 6.4 -M * 10.1 -M * Middle Powder 7760 10.0 11.0 91 -M 10.9 * Owl Creek 8975 4.7 5.2 90 4.8 5.6 86 Powder River Pass 9480 7.8 9.9 79 7.6 11.8 64 Shell Creek 9580 10.8 14.2 76 9.1 13.0 70 Timber Creek 7950 5.7 4.6 124 9.8 6.9 142 ----- ----- Basin Index (%) 87 78 SHOSHONE RIVER Blackwater 9780 21.4 21.8 98 23.9 19.4 123 Evening Star 9200 24.8 23.9 104 27.3 25.8 106 Marquette 8760 6.4 -M * 10.1 -M * Sylvan Road 7120 8.3 11.1 75 14.9 16.0 93 Younts Peak 8350 14.1 14.0 101 13.0 15.0 87 ----- ----- Basin Index (%) 97 104 POWDER RIVER Bear Trap Meadow 8200 7.0 5.1 137 6.1 7.9 77 Cloud Peak Reservoir 9860 10.7 13.9 77 11.0 12.4 89 Grave Springs 8550 6.9 8.7 79 5.5 9.8 56 Hansen Sawmill 8360 6.4 6.3 102 7.1 8.0 89 Middle Powder 7760 10.0 11.0 91 -M 10.9 * Powder River Pass 9480 7.8 9.9 79 7.6 11.8 64 Soldier Park 8720 4.6 -M * 6.9 -M * ----- ----- Basin Index (%) 89 75 TONGUE RIVER Big Goose 7990 6.7 8.6 78 7.2 10.4 69 Bone Springs Div 9350 11.6 15.4 75 9.8 14.6 67 Burgess Junction 7880 7.4 11.1 67 7.7 11.5 67 Dome Lake 8880 8.2 11.4 72 8.1 12.7 64 Little Goose 8870 7.9 -M * 9.4 -M * Sucker Creek 8880 8.5 11.3 75 8.6 13.4 64 Tie Creek 6870 1.8 5.4 33 7.2 10.7 67 ----- ----- Basin Index (%) 70 66 BELLE FOURCHE Cole Canyon 5910 3.4 5.8 59 8.5 8.5 100 ----- ----- Basin Index (%) 59 100 CHEYENNE RIVER BASIN Blind Park 6890 3.7 7.2 51 9.0 11.1 81 North Rapid Creek 6130 4.2 6.7 63 7.3 9.1 80 ----- ----- Basin Index (%) 57 81 UPPER N. PLATTE Arapaho Ridge 10960 23.8 19.4 123 23.6 21.0 112 Blackhall Mtn 9820 29.2 -M * 28.1 -M * Columbine 9160 24.1 22.4 108 25.0 24.1 104 Divide Peak 8880 18.6 19.3 96 21.2 20.2 105 Joe Wright 10120 17.0 20.0 85 24.5 24.3 101 Laprele Creek 8375 8.8 9.4 94 9.5 11.6 82 Med Bow 10500 33.1 -M * 29.1 -M * North French Creek 10130 25.2 27.5 92 23.9 25.3 94 Never Summer 10280 19.8 19.2 103 17.0 -M * Old Battle 10000 27.8 28.9 96 26.1 33.1 79 Rawah 9020 13.7 10.2 134 17.5 13.3 132 Sage Creek Basin 7850 15.3 12.6 121 12.1 13.6 89 Sand Lake 10050 25.2 27.0 93 23.9 23.2 103 South Brush Creek 8440 12.2 12.2 100 12.7 14.4 88 Tower 10500 37.5 43.2 87 35.0 37.7 93 Webber Springs 9250 21.3 22.7 94 23.6 25.3 93 Willow Creek Pass 9540 15.5 11.6 134 15.6 12.6 124 Zirkel 9340 27.5 26.3 105 29.2 26.9 109 ----- ----- Basin Index (%) 100 99 SWEETWATER Deer Park 9700 15.5 14.5 107 15.9 18.5 86 Larsen Creek 9000 8.7 12.0 72 11.7 -M * South Pass 9040 13.6 14.7 93 11.7 16.4 71 ----- ----- Basin Index (%) 92 79 LOWER N. PLATTE Casper Mtn. 7900 13.5 13.0 104 12.8 13.8 93 Laprele Creek 8375 8.8 9.4 94 9.5 11.6 82 Reno Hill 8400 13.5 12.8 105 15.6 14.3 109 Windy Peak 7900 8.4 7.8 108 9.3 9.8 95 ----- ----- Basin Index (%) 103 95 LARAMIE RIVER Brooklyn Lake 10240 23.4 19.4 121 22.0 19.8 111 Cinnabar Park 9574 19.5 19.7 99 21.6 22.8 95 Crow Creek 8330 9.1 6.8 134 13.3 10.0 133 Deadman Hill 10220 19.4 15.2 128 18.3 16.2 113 Rawah 9020 13.7 10.2 134 17.5 13.3 132 Roach 9700 16.9 15.2 111 18.7 18.0 104 ----- ----- Basin Index (%) 118 111 S. PLATTE Black Mountain 8920 12.9 -M * 15.8 -M * Crow Creek 8330 9.1 6.8 134 13.3 10.0 133 Deadman Hill 10220 19.4 15.2 128 18.3 16.2 113 ----- ----- Basin Index (%) 130 121 LITTLE SNAKE RIVER Battle Mountain 7440 12.8 10.8 119 14.4 14.3 101 Divide Peak 8880 18.6 19.3 96 21.2 20.2 105 Elk River 8700 18.0 18.1 99 17.8 19.0 94 Little Snake River 8915 23.2 22.6 103 29.8 27.9 107 Old Battle 10000 27.8 28.9 96 26.1 33.1 79 Sage Creek Basin 7850 15.3 12.6 121 12.1 13.6 89 Sandstone RS 8150 10.7 13.1 82 11.0 17.5 63 Whiskey Park 8950 26.6 25.2 106 26.1 26.5 98 ----- ----- Basin Index (%) 102 92 UPPER GREEN RIVER Big Sandy Opening 9080 10.8 12.2 89 11.0 12.5 88 Blind Bull Sum 8650 25.1 22.0 114 16.2 18.6 87 East Rim Divide 7930 11.1 9.9 112 10.8 11.2 96 Elkhart Park G.S. 9400 9.0 11.8 76 11.0 12.6 87 Gros Ventre Summit 8750 11.1 12.7 87 10.5 12.2 86 Gunsight Pass 9820 13.5 13.2 102 14.1 13.0 108 Kendall R.S. 7740 9.9 11.4 87 11.6 13.6 85 Loomis Park 8240 14.2 14.4 99 16.2 16.5 98 New Fork Lake 8340 9.3 10.2 91 11.0 10.3 107 Pocket Creek 9360 7.8 -M * 9.0 -M * Snider Basin 8060 -M 12.0 * 13.6 13.5 101 Spring Creek Divide 9000 24.8 22.4 111 22.9 22.7 101 Triple Peak 8500 26.0 21.3 122 26.4 24.1 110 ----- ----- Basin Index (%) 102 97 LOWER GREEN RIVER Blacks Fork Jct 8870 11.4 -M * 11.8 -M * Buck Pasture 9700 13.7 -M * 16.5 -M * EF Blacks Fork GS 9360 9.6 -M * 9.9 -M * Hams Fork 7840 -M 10.7 * -M 10.8 * Hewinta 9519 11.8 10.6 111 13.0 13.2 98 Hickerson Park 9145 10.1 7.3 138 10.2 9.5 107 Hole-in-Rock 9150 9.7 7.0 139 10.9 9.0 121 Indian Creek 9425 22.9 23.5 97 18.1 21.4 85 Kelley R.S. 8180 13.8 14.7 94 15.1 17.3 87 Spirit Lk 10235 13.7 -M * 15.4 -M * Steel Creek Park 10200 15.9 14.8 107 17.8 15.4 116 ----- ----- Basin Index (%) 108 99 UPPER BEAR RIVER Bear River RS 8777 8.3 -M * 11.5 -M * Bug Lake 7950 18.8 18.0 104 19.0 18.4 103 Burts Miller Ranch 8000 5.2 -M * 5.7 -M * Chalk Creek #1 8993 20.2 23.0 88 21.7 23.8 91 Hayden Fork 9212 14.8 14.9 99 18.6 19.9 93 Kelley R.S. 8180 13.8 14.7 94 15.1 17.3 87 Lily Lake 9156 12.9 11.9 108 12.1 16.1 75 Monte Cristo 8960 28.2 25.8 109 25.9 24.6 105 Salt River Summit 7760 13.3 12.7 105 15.1 15.8 96 ----- ----- Basin Index (%) 101 94 ----------------------------------------------------------------------------- -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.