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 THURSDAY: JUNE 22 , 2017 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 .0 .0 * 44.9 27.6 163 Black Bear 8170 10.3 2.3 448* 64.8 49.1 132 Blind Bull Sum 8650 -M .0 * 41.8 26.0 161 Cottonwood Creek 7670 .0 .0 * 47.8 33.6 142 East Rim Divide 7930 .1 .0 * 25.4 16.4 155 Grand Targhee 9260 -M 28.4 * 56.1 43.2 130 Granite Creek 6770 .0 .0 * 42.1 25.7 164 Grassy Lake 7265 -M .0 * 65.7 46.5 141 Gros Ventre Summit 8750 .0 .0 * 29.1 18.7 156 Gunsight Pass 9820 .0 .0 * 31.6 20.6 153 Lewis Lake Divide 7850 .0 .0 * 63.5 45.2 140 Phillips Bench 8200 .0 .0 * 53.5 36.4 147 Salt River Summit 7760 .0 .0 * 33.1 22.3 148 Snake River Station 6920 .0 .0 * 41.8 29.9 140 Spring Creek Divide 9000 .2 .0 * 47.1 30.9 152 Thumb Divide 7980 .5 .0 * 32.6 25.8 126 Togwotee Pass 9580 9.7 6.4 152 47.8 33.1 144 Two Ocean Plateau 9240 -M 9.5 * -M 36.9 * Willow Creek 8380 -M .0 * 62.1 45.2 137 Younts Peak 8350 .1 .0 * 38.8 22.8 170 ----- ----- Basin Index (%) 240* 145 MADISON-GALLATIN Black Bear 8170 10.3 2.3 448* 64.8 49.1 132 Canyon 7870 .0 .0 * 31.3 23.0 136 Madison Plateau 7750 .0 .0 * 43.6 35.6 122 West Yellowstone 6700 .0 .0 * 28.1 20.4 138 Whiskey Creek 6800 .1 .0 * 34.3 28.1 122 ----- ----- Basin Index (%) 452* 129 YELLOWSTONE Beartooth Lake 9360 14.4 2.2 655* 35.3 27.4 129 Burnt Mtn 5880 .0 .0 * 24.7 23.8 104 Canyon 7870 .0 .0 * 31.3 23.0 136 Cole Creek 7850 .0 .0 * 20.7 24.1 86 Evening Star 9200 7.5 2.6 288 54.6 38.0 144 Fisher Creek 9100 12.0 8.8 136 56.7 43.5 130 Northeast Entrance 7350 .0 .0 * 25.6 19.0 135 Parker Peak 9400 2.1 .0 * 44.1 26.4 167 Sylvan Lake 8420 .0 .0 * 45.6 32.2 142 Thumb Divide 7980 .5 .0 * 32.6 25.8 126 Two Ocean Plateau 9240 -M 9.5 * -M 36.9 * White Mill 8700 1.3 1.6 81* 42.8 33.4 128 Wolverine 7650 -M .0 * 26.8 18.3 146 ----- ----- Basin Index (%) 249* 132 WIND RIVER Burroughs Creek 8750 .0 -M * 33.2 -M * Castle Creek 8400 .0 -M * 20.7 -M * Cold Springs 9630 .0 .0 * 26.2 17.0 154 Deer Park 9700 -M .0 * 48.7 29.4 166 Hobbs Park 10100 1.8 .0 * 39.7 22.4 177 Kirwin 9550 .0 .0 * 33.2 19.0 175 Little Warm 9370 .0 .0 * 30.1 20.2 149 Owl Creek 8975 .0 .0 * 18.4 12.4 148 South Pass 9040 .1 .0 * 39.3 25.3 155 St. Lawrence Alt 8620 .1 .0 * 24.0 16.2 148 Togwotee Pass 9580 9.7 6.4 152 47.8 33.1 144 Townsend Creek 8700 .0 .0 * 33.3 19.8 168 ----- ----- Basin Index (%) 183* 159 BIGHORN BASIN Bald Mtn. 9380 .0 .2 0* 25.7 26.1 98 Bear Trap Meadow 8200 .0 .0 * 19.9 15.7 127 Bone Springs Div 9350 .0 .0 * 25.0 24.9 100 Grave Springs 8550 .0 .0 * 16.8 17.9 94 Kirwin 9550 .0 .0 * 33.2 19.0 175 Marquette 8760 .0 -M * 28.1 -M * Middle Powder 7760 .0 .0 * 18.5 19.4 95 Owl Creek 8975 .0 .0 * 18.4 12.4 148 Powder River Pass 9480 .0 .0 * 22.8 21.2 108 Shell Creek 9580 .0 .0 * 23.4 22.4 104 Timber Creek 7950 .0 .0 * 20.0 15.7 127 ----- ----- Basin Index (%) 0* 115 SHOSHONE RIVER Blackwater 9780 16.2 6.1 266 51.3 29.9 172 Evening Star 9200 7.5 2.6 288 54.6 38.0 144 Marquette 8760 .0 -M * 28.1 -M * Sylvan Road 7120 .0 .0 * 35.3 23.5 150 Younts Peak 8350 .1 .0 * 38.8 22.8 170 ----- ----- Basin Index (%) 274* 158 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 19.9 15.7 127 Cloud Peak Reservoir 9860 .0 .0 * 30.5 23.7 129 Grave Springs 8550 .0 .0 * 16.8 17.9 94 Hansen Sawmill 8360 .0 .0 * -M 16.3 * Middle Powder 7760 .0 .0 * 18.5 19.4 95 Powder River Pass 9480 .0 .0 * 22.8 21.2 108 Soldier Park 8720 .0 -M * 25.4 -M * ----- ----- Basin Index (%) * 111 TONGUE RIVER Big Goose 7990 .0 .0 * 23.0 19.9 116 Bone Springs Div 9350 .0 .0 * 25.0 24.9 100 Burgess Junction 7880 .0 .0 * 22.5 20.2 111 Dome Lake 8880 -M .0 * 27.4 22.5 122 Little Goose 8870 .0 -M * 27.2 -M * Sucker Creek 8880 .0 .0 * 25.4 24.0 106 Tie Creek 6870 .0 .0 * 26.3 21.2 124 ----- ----- Basin Index (%) * 113 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 16.1 19.3 83 ----- ----- Basin Index (%) * 83 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 17.1 21.2 81 North Rapid Creek 6130 .0 .0 * 17.5 19.1 92 ----- ----- Basin Index (%) * 86 UPPER N. PLATTE Arapaho Ridge 10960 .1 .0 * 33.6 31.1 108 Blackhall Mtn 9820 .1 -M * 45.9 -M * Columbine 9160 -M .0 * 35.4 32.7 108 Divide Peak 8880 .0 .0 * 28.3 28.8 98 Joe Wright 10120 .1 .0 * 38.3 36.3 106 Laprele Creek 8375 .0 .0 * 19.3 19.6 98 Med Bow 10500 3.4 -M * 45.4 -M * North French Creek 10130 .2 .5 40* 37.3 37.0 101 Never Summer 10280 .3 .2 150* 26.7 -M * Old Battle 10000 4.1 .0 * 47.4 45.4 104 Rawah 9020 .1 .0 * 23.5 21.4 110 Sage Creek Basin 7850 -M .0 * 19.5 19.1 102 Sand Lake 10050 3.5 2.3 152* 37.0 35.4 105 South Brush Creek 8440 .0 .0 * 18.4 22.5 82 Tower 10500 7.1 9.6 74 56.4 51.4 110 Webber Springs 9250 .1 .0 * 40.4 34.7 116 Willow Creek Pass 9540 .1 .0 * 23.8 20.0 119 Zirkel 9340 .0 .0 * 51.0 36.5 140 ----- ----- Basin Index (%) 125* 108 SWEETWATER Deer Park 9700 -M .0 * 48.7 29.4 166 Larsen Creek 9000 .0 .0 * 29.1 -M * South Pass 9040 .1 .0 * 39.3 25.3 155 ----- ----- Basin Index (%) * 161 LOWER N. PLATTE Casper Mtn. 7900 .1 .0 * 24.3 23.7 103 Laprele Creek 8375 .0 .0 * 19.3 19.6 98 Reno Hill 8400 .0 .0 * 23.8 24.4 98 Windy Peak 7900 .2 .0 * 19.3 17.9 108 ----- ----- Basin Index (%) * 101 LARAMIE RIVER Brooklyn Lake 10240 .4 .0 * 32.2 30.0 107 Cinnabar Park 9574 .0 .0 * 30.2 32.6 93 Crow Creek 8330 .0 .0 * 16.5 19.0 87 Deadman Hill 10220 .1 .0 * 30.3 25.5 119 Rawah 9020 .1 .0 * 23.5 21.4 110 Roach 9700 .0 .0 * 29.0 27.5 105 ----- ----- Basin Index (%) * 104 S. PLATTE Black Mountain 8920 -M -M * 21.2 -M * Crow Creek 8330 .0 .0 * 16.5 19.0 87 Deadman Hill 10220 .1 .0 * 30.3 25.5 119 ----- ----- Basin Index (%) * 105 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 21.0 20.4 103 Divide Peak 8880 .0 .0 * 28.3 28.8 98 Elk River 8700 .0 .0 * 25.1 26.8 94 Little Snake River 8915 .1 .0 * 46.2 38.3 121 Old Battle 10000 4.1 .0 * 47.4 45.4 104 Sage Creek Basin 7850 -M .0 * 19.5 19.1 102 Sandstone RS 8150 .0 .0 * 20.4 24.6 83 Whiskey Park 8950 .1 .0 * 37.7 36.7 103 ----- ----- Basin Index (%) * 102 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 28.6 19.5 147 Blind Bull Sum 8650 -M .0 * 41.8 26.0 161 East Rim Divide 7930 .1 .0 * 25.4 16.4 155 Elkhart Park G.S. 9400 -M .0 * 28.8 19.6 147 Gros Ventre Summit 8750 .0 .0 * 29.1 18.7 156 Gunsight Pass 9820 .0 .0 * 31.6 20.6 153 Kendall R.S. 7740 .0 .0 * 34.2 18.9 181 Loomis Park 8240 .2 .0 * 37.2 22.9 162 New Fork Lake 8340 .0 .0 * 24.6 16.1 153 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 .0 .0 * 30.7 18.6 165 Spring Creek Divide 9000 .2 .0 * 47.1 30.9 152 Triple Peak 8500 .0 .0 * 48.4 33.4 145 ----- ----- Basin Index (%) * 156 LOWER GREEN RIVER Blacks Fork Jct 8869 .0 -M * 20.1 -M * Buck Pasture 9632 .0 -M * 29.1 -M * EF Blacks Fork GS 9360 .0 -M * 24.4 -M * Hams Fork 7840 .2 .0 * 25.7 16.5 156 Hewinta 9500 .0 .0 * 22.6 19.9 114 Hickerson Park 9122 .0 .0 * 16.7 15.6 107 Hole-in-Rock 9168 .0 .0 * 17.5 15.2 115 Indian Creek 9425 .1 .0 * 48.1 29.7 162 Kelley R.S. 8180 .0 .0 * 36.8 24.3 151 Spirit Lk 10235 .0 -M * 22.7 -M * Steel Creek Park 10158 .0 .0 * 27.1 23.4 116 ----- ----- Basin Index (%) * 135 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 22.7 -M * Bug Lake 7987 .0 .0 * 40.2 25.8 156 Burts Miller Ranch 8000 .0 -M * 12.7 -M * Chalk Creek #1 9171 .0 .0 * 43.3 33.8 128 Hayden Fork 9130 .0 .0 * 33.5 28.3 118 Kelley R.S. 8180 .0 .0 * 36.8 24.3 151 Lily Lake 9133 .0 .0 * 24.6 23.9 103 Monte Cristo 8932 .0 .0 * 48.3 34.5 140 Salt River Summit 7760 .0 .0 * 33.1 22.3 148 ----- ----- Basin Index (%) * 135 ----------------------------------------------------------------------------- -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.