Water Resources Data System & State Climate Office

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 28 , 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 * -M 29.0 * Black Bear 8170 .0 .0 * 58.0 51.1 114 Blind Bull Sum 8650 -M .0 * 26.8 27.6 97 Cottonwood Creek 7670 .0 .0 * 36.9 35.2 105 East Rim Divide 7930 .0 .0 * 18.9 17.4 109 Grand Targhee 9260 -M .0 * -M 43.8 * Granite Creek 6770 -M .0 * 29.8 26.8 111 Grassy Lake 7265 .0 .0 * -M 48.3 * Gros Ventre Summit 8750 .0 .0 * -M 20.2 * Gunsight Pass 9820 .0 .0 * 23.9 21.9 109 Lewis Lake Divide 7850 .0 .0 * 48.8 47.0 104 Phillips Bench 8200 .0 .0 * 41.7 37.9 110 Salt River Summit 7640 .0 .0 * 26.2 23.6 111 Snake River Station 6920 .0 .0 * 34.3 31.4 109 Spring Creek Divide 9000 .0 .0 * -M 32.4 * Thumb Divide 7980 .0 .0 * 26.4 27.0 98 Togwotee Pass 9580 .0 .0 * 33.7 34.8 97 Two Ocean Plateau 9240 .1 .0 * 34.6 39.2 88 Willow Creek 8080 .0 .0 * 48.5 47.2 103 Younts Peak 8350 -M .0 * -M 24.9 * ----- ----- Basin Index (%) * 104 MADISON-GALLATIN Black Bear 8170 .0 .0 * 58.0 51.1 114 Canyon 7870 -M .0 * 23.9 24.7 97 Madison Plateau 7750 .0 .0 * 40.1 37.2 108 West Yellowstone 6700 .2 .0 * 25.0 21.7 115 Whiskey Creek 6800 .0 .0 * 30.7 29.8 103 ----- ----- Basin Index (%) * 108 YELLOWSTONE Beartooth Lake 9360 .0 .0 * 32.8 29.6 111 Burnt Mtn 5880 .0 .0 * 30.5 26.0 117 Canyon 7870 -M .0 * 23.9 24.7 97 Cole Creek 7850 .0 .0 * -M 26.6 * Evening Star 9200 .0 .0 * 44.2 40.4 109 Fisher Creek 9100 -M .0 * 51.6 46.7 110 Northeast Entrance 7350 .1 .0 * 24.4 21.4 114 Parker Peak 9400 .0 .0 * 36.2 28.4 127 Sylvan Lake 8420 .0 .0 * 39.3 34.2 115 Thumb Divide 7980 .0 .0 * 26.4 27.0 98 Two Ocean Plateau 9240 .1 .0 * 34.6 39.2 88 White Mill 8700 .0 .0 * 29.2 36.1 81 Wolverine 7650 .0 .0 * 21.8 20.1 108 Younts Peak 8350 -M .0 * -M 24.9 * ----- ----- Basin Index (%) * 106 WIND RIVER Burroughs Creek 8750 .0 -M * 23.4 -M * Castle Creek 8400 .2 -M * 14.2 -M * Cold Springs 9630 .0 .0 * 17.8 18.6 96 Deer Park 9700 .0 .0 * 28.1 30.9 91 Hobbs Park 10100 .0 .0 * 25.8 24.2 107 Kirwin 9550 .0 .0 * 22.1 21.8 101 Little Warm 9370 .0 .0 * 14.6 22.0 66 Owl Creek 8975 .1 .0 * 20.7 14.2 146 South Pass 9040 .0 .0 * 22.3 26.5 84 St. Lawrence Alt 8620 .1 .0 * 19.8 17.6 112 Togwotee Pass 9580 .0 .0 * 33.7 34.8 97 Townsend Creek 8700 .0 .0 * 22.6 21.3 106 ----- ----- Basin Index (%) * 98 BIGHORN BASIN Bald Mtn. 9380 .1 .0 * 28.8 28.3 102 Bear Trap Meadow 8200 .1 .0 * 19.1 17.7 108 Bone Springs Div 9350 .0 .0 * 23.9 27.0 89 Grave Springs 8550 .1 .0 * 20.3 19.8 103 Kirwin 9550 .0 .0 * 22.1 21.8 101 Marquette 8760 .0 -M * 28.4 -M * Middle Powder 7760 .0 .0 * 23.6 21.4 110 Owl Creek 8975 .1 .0 * 20.7 14.2 146 Powder River Pass 9480 .0 .0 * 17.9 23.3 77 Shell Creek 9580 .0 .0 * 24.4 24.6 99 Timber Creek 7950 .0 .0 * 22.1 17.6 126 ----- ----- Basin Index (%) * 103 SHOSHONE RIVER Blackwater 9780 -M .0 * 38.4 31.8 121 Evening Star 9200 .0 .0 * 44.2 40.4 109 Marquette 8760 .0 -M * 28.4 -M * Sylvan Lake 8420 .0 .0 * 39.3 34.2 115 Sylvan Road 7120 .0 .0 * 24.0 25.1 96 Younts Peak 8350 -M .0 * -M 24.9 * ----- ----- Basin Index (%) * 111 POWDER RIVER Bear Trap Meadow 8200 .1 .0 * 19.1 17.7 108 Cloud Peak Reservoir 9860 .0 .0 * 26.5 26.3 101 Grave Springs 8550 .1 .0 * 20.3 19.8 103 Hansen Sawmill 8360 .0 .0 * 20.7 18.5 112 Middle Powder 7760 .0 .0 * 23.6 21.4 110 Powder River Pass 9480 .0 .0 * 17.9 23.3 77 Soldier Park 8720 .0 -M * 18.5 -M * ----- ----- Basin Index (%) * 101 TONGUE RIVER Big Goose 7990 .0 .0 * 26.1 21.3 123 Bone Springs Div 9350 .0 .0 * 23.9 27.0 89 Burgess Junction 7880 .0 .0 * 23.3 22.2 105 Dome Lake 8880 .0 .0 * 27.4 24.5 112 Little Goose 8870 .0 -M * 19.6 -M * Sucker Creek 8880 .0 .0 * 29.1 26.2 111 Tie Creek 6870 .1 .0 * 27.3 23.0 119 ----- ----- Basin Index (%) * 109 BELLE FOURCHE Blind Park 6890 .0 .0 * 20.0 23.9 84 Cole Canyon 5910 .0 .0 * 29.7 21.6 138 ----- ----- Basin Index (%) * 109 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 20.0 23.9 84 North Rapid Creek 6130 -M .0 * 20.5 22.5 91 ----- ----- Basin Index (%) * 87 UPPER N. PLATTE Arapaho Ridge 10960 .0 .0 * 40.2 33.1 121 Blackhall Mtn 9820 -M -M * 46.8 -M * Columbine 9160 .0 .0 * 41.9 34.5 121 Divide Peak 8880 .0 .0 * 32.1 30.0 107 Joe Wright 10120 .0 .0 * 45.9 38.7 119 Laprele Creek 8375 .0 .0 * 23.0 21.2 108 Med Bow 10500 .0 -M * 49.9 -M * Never Summer 10280 .1 .0 * 31.2 -M * North French Creek 10130 .0 .0 * 42.0 39.2 107 Old Battle 10000 -M .0 * 48.1 47.1 102 Rawah 9020 .0 .0 * 28.7 23.0 125 Sage Creek Basin 7850 -M .0 * 23.3 19.8 118 Sand Lake 10050 -M .0 * 38.5 37.2 103 South Brush Creek 8440 .0 .0 * 19.9 24.1 83 Tower 10500 .0 .0 * 66.9 53.4 125 Webber Springs 9250 .0 .0 * 42.3 36.3 117 Whiskey Park 8950 .0 .0 * 44.5 38.0 117 Willow Creek Pass 9540 .1 .0 * 26.2 22.0 119 Zirkel 9340 .4 .0 * 49.9 38.1 131 ----- ----- Basin Index (%) * 115 SWEETWATER Deer Park 9700 .0 .0 * 28.1 30.9 91 Larsen Creek 9000 .0 .0 * 20.0 -M * South Pass 9040 .0 .0 * 22.3 26.5 84 ----- ----- Basin Index (%) * 88 LOWER N. PLATTE Casper Mtn. 7900 .2 .0 * 25.3 25.1 101 Laprele Creek 8375 .0 .0 * 23.0 21.2 108 Reno Hill 8400 .0 .0 * 30.8 25.9 119 Windy Peak 7900 .0 .0 * 21.4 19.7 109 ----- ----- Basin Index (%) * 109 LARAMIE RIVER Brooklyn Lake 10240 .0 .0 * 37.5 32.0 117 Cinnabar Park 9574 .0 .0 * 36.0 34.0 106 Crow Creek 8330 .2 .0 * 20.1 21.7 93 Deadman Hill 10220 .0 .0 * 30.7 27.1 113 Rawah 9020 .0 .0 * 28.7 23.0 125 Roach 9700 .1 .0 * 36.0 29.2 123 Windy Peak 7900 .0 .0 * 21.4 19.7 109 ----- ----- Basin Index (%) * 113 S. PLATTE Black Mountain 8920 -M -M * 23.6 -M * Crow Creek 8330 .2 .0 * 20.1 21.7 93 Deadman Hill 10220 .0 .0 * 30.7 27.1 113 ----- ----- Basin Index (%) * 104 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 23.6 21.2 111 Divide Peak 8880 .0 .0 * 32.1 30.0 107 Elk River 8700 .0 .0 * 29.9 28.5 105 Little Snake River 8915 .0 .0 * 50.1 39.2 128 Old Battle 10000 -M .0 * 48.1 47.1 102 Sage Creek Basin 7850 -M .0 * 23.3 19.8 118 Sandstone RS 8150 -M .0 * 24.8 25.6 97 Whiskey Park 8950 .0 .0 * 44.5 38.0 117 ----- ----- Basin Index (%) * 111 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 20.6 21.0 98 Blind Bull Sum 8650 -M .0 * 26.8 27.6 97 East Rim Divide 7930 .0 .0 * 18.9 17.4 109 Elkhart Park G.S. 9400 .0 .0 * 22.4 21.0 107 Gros Ventre Summit 8750 .0 .0 * -M 20.2 * Gunsight Pass 9820 .0 .0 * 23.9 21.9 109 Indian Creek 9425 .0 .0 * -M 30.8 * Kendall R.S. 7740 .0 .0 * 19.7 20.1 98 Loomis Park 8240 .3 .0 * 25.6 24.3 105 New Fork Lake 8340 .0 .0 * -M 17.4 * Pocket Creek 9360 -M -M * 22.1 -M * Snider Basin 8060 .0 .0 * -M 19.7 * Spring Creek Divide 9000 .0 .0 * -M 32.4 * Triple Peak 8500 .1 .0 * -M 34.8 * ----- ----- Basin Index (%) * 103 LOWER GREEN RIVER Blacks Fork Jct 8869 .0 -M * 20.8 -M * Buck Pasture 9632 .0 -M * 30.2 -M * EF Blacks Fork GS 9360 .0 -M * 21.5 -M * Hams Fork 7840 .2 .0 * -M 17.5 * Hewinta 9500 .0 .0 * 23.9 21.9 109 Hickerson Park 9122 .0 .0 * 19.9 17.6 113 Hole-in-Rock 9168 -M .0 * -M 17.0 * Indian Creek 9425 .0 .0 * -M 30.8 * Kelley R.S. 8180 .0 .0 * 25.9 25.4 102 Spirit Lk 10235 .0 -M * 27.6 -M * Steel Creek Park 10158 -M .0 * 29.3 25.5 115 ----- ----- Basin Index (%) * 110* UPPER BEAR RIVER Bear River RS 8777 .0 -M * 22.6 -M * Bug Lake 7987 .0 .0 * 33.6 26.7 126 Burts Miller Ranch 8000 .0 -M * 12.5 -M * Chalk Creek #1 9171 .0 .0 * 39.3 35.6 110 Hayden Fork 9130 .0 .0 * 32.7 29.9 109 Kelley R.S. 8180 .0 .0 * 25.9 25.4 102 Lily Lake 9133 .0 .0 * 24.1 25.4 95 Monte Cristo 8932 .4 .0 * 43.4 35.7 122 Salt River Summit 7640 .0 .0 * 26.2 23.6 111 Spring Creek Divide 9000 .0 .0 * -M 32.4 * ----- ----- Basin Index (%) * 111 ----------------------------------------------------------------------------- -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.