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 SUNDAY: JULY 14 , 2019 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 .0 .0 * 28.4 28.3 100 Black Bear 8170 .1 .0 * 57.6 50.3 115 Blind Bull Sum 8650 .0 .0 * 26.6 26.9 99 Cottonwood Creek 7670 .0 .0 * 36.9 34.5 107 East Rim Divide 7930 .0 .0 * 18.7 16.9 111 Grand Targhee 9260 .0 .0 * 45.9 43.4 106 Granite Creek 6770 .0 .0 * 29.8 26.3 113 Grassy Lake 7265 -M .0 * -M 47.6 * Gros Ventre Summit 8750 -M .0 * 18.5 19.6 94 Gunsight Pass 9820 .0 .0 * 23.6 21.3 111 Lewis Lake Divide 7850 .1 .0 * 48.8 46.2 106 Phillips Bench 8200 .0 .0 * 41.1 37.2 110 Salt River Summit 7640 .0 .0 * 26.1 23.1 113 Snake River Station 6920 .0 .0 * 33.8 30.9 109 Spring Creek Divide 9000 .0 .0 * 31.6 31.7 100 Thumb Divide 7980 .1 .0 * 26.2 26.6 98 Togwotee Pass 9580 .0 .0 * 33.2 33.9 98 Two Ocean Plateau 9240 .3 .0 * 34.4 38.3 90 Willow Creek 8080 .0 .0 * -M 46.3 * Younts Peak 8350 -M .0 * -M 24.0 * ----- ----- Basin Index (%) * 105 MADISON-GALLATIN Black Bear 8170 .1 .0 * 57.6 50.3 115 Canyon 7870 .0 .0 * 24.1 24.0 100 Madison Plateau 7750 .0 .0 * 39.6 36.7 108 West Yellowstone 6700 .1 .0 * 24.4 21.1 116 Whiskey Creek 6800 .0 .0 * 31.1 29.3 106 ----- ----- Basin Index (%) * 110 YELLOWSTONE Beartooth Lake 9360 .0 .0 * 31.7 28.7 110 Burnt Mtn 5880 .0 .0 * -M 25.1 * Canyon 7870 .0 .0 * 24.1 24.0 100 Cole Creek 7850 -M .0 * -M 25.8 * Evening Star 9200 .0 .0 * 43.3 39.4 110 Fisher Creek 9100 -M .0 * 50.6 45.5 111 Northeast Entrance 7350 .0 .0 * 23.6 20.4 116 Parker Peak 9400 .0 .0 * 36.4 27.7 131 Sylvan Lake 8420 .0 .0 * 39.0 33.4 117 Thumb Divide 7980 .1 .0 * 26.2 26.6 98 Two Ocean Plateau 9240 .3 .0 * 34.4 38.3 90 White Mill 8700 .1 .0 * 29.7 35.1 85 Wolverine 7650 .0 .0 * 21.0 19.3 109 Younts Peak 8350 -M .0 * -M 24.0 * ----- ----- Basin Index (%) * 106 WIND RIVER Burroughs Creek 8750 .0 -M * 24.3 -M * Castle Creek 8400 .0 -M * 14.1 -M * Cold Springs 9630 .0 .0 * 18.0 17.9 101 Deer Park 9700 .0 .0 * 28.2 30.2 93 Hobbs Park 10100 .0 .0 * 26.5 23.5 113 Kirwin 9550 .0 .0 * 22.3 20.5 109 Little Warm 9370 .0 .0 * 14.4 21.3 68 Owl Creek 8975 .0 .0 * 20.3 13.4 151 South Pass 9040 .1 .0 * 22.5 25.9 87 St. Lawrence Alt 8620 .0 .0 * 19.7 16.9 117 Togwotee Pass 9580 .0 .0 * 33.2 33.9 98 Townsend Creek 8700 .0 .0 * 23.3 20.6 113 ----- ----- Basin Index (%) * 102 BIGHORN BASIN Bald Mtn. 9380 .0 .0 * 29.0 27.6 105 Bear Trap Meadow 8200 .0 .0 * 19.1 16.9 113 Bone Springs Div 9350 .0 .0 * 23.8 26.2 91 Grave Springs 8550 .0 .0 * 20.1 19.0 106 Kirwin 9550 .0 .0 * 22.3 20.5 109 Marquette 8760 .0 -M * 28.2 -M * Middle Powder 7760 .0 .0 * 23.7 20.7 114 Owl Creek 8975 .0 .0 * 20.3 13.4 151 Powder River Pass 9480 .0 .0 * 17.9 22.4 80 Shell Creek 9580 .0 .0 * 24.4 23.8 103 Timber Creek 7950 .1 .0 * 21.8 16.6 131 ----- ----- Basin Index (%) * 107 SHOSHONE RIVER Blackwater 9780 .0 .0 * 38.4 31.0 124 Evening Star 9200 .0 .0 * 43.3 39.4 110 Marquette 8760 .0 -M * 28.2 -M * Sylvan Lake 8420 .0 .0 * 39.0 33.4 117 Sylvan Road 7120 .0 .0 * 23.6 24.4 97 Younts Peak 8350 -M .0 * -M 24.0 * ----- ----- Basin Index (%) * 113 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 19.1 16.9 113 Cloud Peak Reservoir 9860 .0 .0 * 25.7 25.1 102 Grave Springs 8550 .0 .0 * 20.1 19.0 106 Hansen Sawmill 8360 .0 .0 * 20.0 17.6 114 Middle Powder 7760 .0 .0 * 23.7 20.7 114 Powder River Pass 9480 .0 .0 * 17.9 22.4 80 Soldier Park 8720 .0 -M * 17.6 -M * ----- ----- Basin Index (%) * 104 TONGUE RIVER Big Goose 7990 .0 .0 * 25.4 20.6 123 Bone Springs Div 9350 .0 .0 * 23.8 26.2 91 Burgess Junction 7880 .0 .0 * 22.9 21.4 107 Dome Lake 8880 .0 .0 * 26.8 23.7 113 Little Goose 8870 .0 -M * 18.8 -M * Sucker Creek 8880 .0 .0 * 29.3 25.3 116 Tie Creek 6870 .0 .0 * 27.1 22.4 121 ----- ----- Basin Index (%) * 111 BELLE FOURCHE Blind Park 6890 .0 .0 * 17.1 22.9 75 Cole Canyon 5910 .0 .0 * 27.9 20.6 135 ----- ----- Basin Index (%) * 103 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 17.1 22.9 75 North Rapid Creek 6130 -M .0 * 19.2 20.9 92 ----- ----- Basin Index (%) * 83 UPPER N. PLATTE Arapaho Ridge 10960 .0 .0 * 40.0 32.2 124 Blackhall Mtn 9820 -M -M * 46.0 -M * Columbine 9160 .0 .0 * 41.5 33.7 123 Divide Peak 8880 .0 .0 * 32.7 29.4 111 Joe Wright 10120 .0 .0 * 44.2 37.6 118 Laprele Creek 8375 .0 .0 * 22.9 20.4 112 Med Bow 10500 .0 -M * 49.4 -M * Never Summer 10280 .1 .0 * 30.3 -M * North French Creek 10130 .0 .0 * 42.4 38.3 111 Old Battle 10000 .1 .0 * 48.6 46.4 105 Rawah 9020 .0 .0 * 27.8 22.1 126 Sage Creek Basin 7850 -M .0 * 23.3 19.6 119 Sand Lake 10050 .0 .0 * 38.5 36.4 106 South Brush Creek 8440 .0 .0 * 20.1 23.3 86 Tower 10500 1.7 .0 * 64.2 52.6 122 Webber Springs 9250 .0 .0 * 41.9 35.5 118 Whiskey Park 8950 -M .0 * 43.7 37.5 117 Willow Creek Pass 9540 .1 .0 * 26.2 21.1 124 Zirkel 9340 .3 .0 * 49.6 37.3 133 ----- ----- Basin Index (%) * 116 SWEETWATER Deer Park 9700 .0 .0 * 28.2 30.2 93 Larsen Creek 9000 .1 .0 * 19.9 -M * South Pass 9040 .1 .0 * 22.5 25.9 87 ----- ----- Basin Index (%) * 90 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 25.3 24.5 103 Laprele Creek 8375 .0 .0 * 22.9 20.4 112 Reno Hill 8400 .0 .0 * 30.3 25.2 120 Windy Peak 7900 .0 .0 * 20.7 19.0 109 ----- ----- Basin Index (%) * 111 LARAMIE RIVER Brooklyn Lake 10240 .0 .0 * 37.5 31.1 121 Cinnabar Park 9574 -M .0 * 34.7 33.4 104 Crow Creek 8330 .0 .0 * 19.4 20.3 96 Deadman Hill 10220 .0 .0 * 29.6 26.4 112 Rawah 9020 .0 .0 * 27.8 22.1 126 Roach 9700 -M .0 * 35.9 28.4 126 Windy Peak 7900 .0 .0 * 20.7 19.0 109 ----- ----- Basin Index (%) * 114 S. PLATTE Black Mountain 8920 .0 -M * 21.9 -M * Crow Creek 8330 .0 .0 * 19.4 20.3 96 Deadman Hill 10220 .0 .0 * 29.6 26.4 112 ----- ----- Basin Index (%) * 105 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 23.7 20.9 113 Divide Peak 8880 .0 .0 * 32.7 29.4 111 Elk River 8700 .0 .0 * 29.5 27.8 106 Little Snake River 8915 .0 .0 * 49.7 38.9 128 Old Battle 10000 .1 .0 * 48.6 46.4 105 Sage Creek Basin 7850 -M .0 * 23.3 19.6 119 Sandstone RS 8150 -M .0 * 25.3 25.1 101 Whiskey Park 8950 -M .0 * 43.7 37.5 117 ----- ----- Basin Index (%) * 113 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 20.3 20.3 100 Blind Bull Sum 8650 .0 .0 * 26.6 26.9 99 East Rim Divide 7930 .0 .0 * 18.7 16.9 111 Elkhart Park G.S. 9400 .0 .0 * 22.5 20.3 111 Gros Ventre Summit 8750 -M .0 * 18.5 19.6 94 Gunsight Pass 9820 .0 .0 * 23.6 21.3 111 Indian Creek 9425 .0 .0 * 27.2 30.2 90 Kendall R.S. 7740 .0 .0 * 19.2 19.5 98 Loomis Park 8240 -M .0 * 25.3 23.6 107 New Fork Lake 8340 .0 .0 * 18.3 16.8 109 Pocket Creek 9360 -M -M * 21.9 -M * Snider Basin 8060 .0 .0 * 20.0 19.2 104 Spring Creek Divide 9000 .0 .0 * 31.6 31.7 100 Triple Peak 8500 -M .0 * -M 34.2 * ----- ----- Basin Index (%) * 102 LOWER GREEN RIVER Blacks Fork Jct 8869 .1 -M * 20.3 -M * Buck Pasture 9632 .0 -M * 29.6 -M * EF Blacks Fork GS 9360 .0 -M * 20.6 -M * Hams Fork 7840 .1 .0 * 20.9 17.1 122 Hewinta 9500 .0 .0 * 23.4 20.9 112 Hickerson Park 9122 .0 .0 * 19.0 16.6 114 Hole-in-Rock 9168 -M .0 * -M 16.2 * Indian Creek 9425 .0 .0 * 27.2 30.2 90 Kelley R.S. 8180 .0 .0 * 25.8 24.8 104 Spirit Lk 10235 .0 -M * 26.7 -M * Steel Creek Park 10158 -M .0 * 28.4 24.4 116 ----- ----- Basin Index (%) * 108 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 22.1 -M * Bug Lake 7987 .0 .0 * -M 26.3 * Burts Miller Ranch 8000 .0 -M * 12.2 -M * Chalk Creek #1 9171 .0 .0 * 39.3 34.7 113 Hayden Fork 9130 .0 .0 * 32.2 29.1 111 Kelley R.S. 8180 .0 .0 * 25.8 24.8 104 Lily Lake 9133 .0 .0 * 23.8 24.6 97 Monte Cristo 8932 .4 .0 * 43.1 35.0 123 Salt River Summit 7640 .0 .0 * 26.1 23.1 113 Spring Creek Divide 9000 .0 .0 * 31.6 31.7 100 ----- ----- Basin Index (%) * 109 ----------------------------------------------------------------------------- -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.