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 MONDAY: JUNE 6 , 2022 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 .0 .0 * 23.2 25.7 90 Blind Bull Sum 8650 17.5 10.9 161 19.2 23.6 81 Cottonwood Creek 7670 .1 .0 * 32.4 33.1 98 East Rim Divide 7930 .1 .0 * 14.7 15.4 95 Grand Targhee 9260 30.5 31.6 97 36.7 41.4 89 Granite Creek 6770 .0 .0 * 19.4 24.4 80 Grassy Lake 7265 5.2 .0 * 39.5 44.2 89 Gros Ventre Summit 8750 1.4 .0 * 16.1 16.4 98 Gunsight Pass 9820 9.1 .0 * 20.2 18.4 110 Lewis Lake Divide 7850 3.4 4.4 77 40.4 41.7 97 Loomis Park 8240 .0 .0 * 20.4 22.3 91 Phillips Bench 8200 5.5 4.5 122 29.9 33.4 90 Salt River Summit 7640 .0 .0 * 20.6 20.8 99 Snake River Station 6920 .1 .0 * 24.0 29.0 83 Somsen Ranch 6800 .0 .0 * -M 21.6 * Spring Creek Divide 9000 14.1 8.9 158 29.5 29.9 99 Thumb Divide 7980 .2 .0 * 24.7 24.0 103 Togwotee Pass 9580 16.9 16.4 103 29.6 31.3 95 Triple Peak 8500 -M .0 * 33.3 32.4 103 Two Ocean Plateau 9240 29.9 20.2 148 34.3 33.9 101 Willow Creek 8080 6.2 .0 * 41.9 42.9 98 Younts Peak 8350 .0 .0 * 18.6 20.6 90 ----- ----- Basin Index (%) 145* 94 MADISON HEADWATERS IN WYOMING Black Bear 8170 20.8 20.8 100 40.3 46.3 87 Canyon 7870 .3 -M * 19.5 -M * Madison Plateau 7750 5.0 1.4 357* 28.9 32.6 89 West Yellowstone 6700 .0 .0 * 18.7 18.8 99 Whiskey Creek 6800 .0 .0 * 25.0 27.0 93 ----- ----- Basin Index (%) 116* 91 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 20.5 15.6 131 25.4 27.6 92 Canyon 7870 .3 -M * 19.5 -M * Evening Star 9200 23.7 14.2 167 34.4 36.8 93 Fisher Creek 9100 34.5 25.8 134 43.4 43.0 101 Monument Peak 8850 17.2 8.8 195 32.6 29.2 112 Northeast Entrance 7350 .0 .0 * 19.2 17.6 109 Parker Peak 9400 22.4 9.2 243 30.6 25.7 119 Sylvan Lake 8420 5.4 .0 * 30.7 30.1 102 Thumb Divide 7980 .2 .0 * 24.7 24.0 103 Two Ocean Plateau 9240 29.9 20.2 148 34.3 33.9 101 White Mill 8700 19.6 13.2 148 30.8 29.4 105 Wolverine 7650 .0 .0 * 19.4 17.0 114 ----- ----- Basin Index (%) 162 104 WIND RIVER Burroughs Creek 8750 .2 -M * 19.7 -M * Castle Creek 8400 .0 .0 * 12.7 13.6 93 Cold Springs 9630 .1 .0 * 18.7 16.4 114 Deer Park 9700 5.0 .0 * 24.0 25.1 96 Hobbs Park 10100 14.4 3.8 379 25.9 21.2 122 Kirwin 9550 4.6 .0 * 21.8 18.6 117 Little Warm 9370 .3 .0 * 20.1 17.2 117 South Pass 9040 .2 .0 * 20.9 21.6 97 St. Lawrence Alt 8620 .0 -M * 15.3 -M * Togwotee Pass 9580 16.9 16.4 103 29.6 31.3 95 Townsend Creek 8700 .0 .0 * 20.2 18.4 110 ----- ----- Basin Index (%) 205* 106 BIGHORN BASIN Bald Mtn. 9380 15.0 9.6 156 22.7 23.0 99 Bear Trap Meadow 8200 .0 .0 * 17.0 14.6 116 Bone Springs Div 9350 13.8 2.8 493 21.0 21.8 96 Grave Springs 8550 .0 .0 * 16.8 14.9 113 Kirwin 9550 4.6 .0 * 21.8 18.6 117 Marquette 8760 4.0 .0 * 19.9 17.9 111 Middle Powder 7760 .0 .0 * 18.5 16.6 111 Owl Creek 8975 .2 .0 * 12.9 12.2 106 Powder River Pass 9480 .0 .0 * 15.2 19.4 78 Shell Creek 9580 12.4 5.2 238 21.5 19.7 109 Timber Creek 7950 .2 .0 * 16.9 14.4 117 ----- ----- Basin Index (%) 285* 106 SHOSHONE RIVER Blackwater 9780 25.1 15.6 161 33.4 30.3 110 Evening Star 9200 23.7 14.2 167 34.4 36.8 93 Marquette 8760 4.0 .0 * 19.9 17.9 111 Sylvan Lake 8420 5.4 .0 * 30.7 30.1 102 Sylvan Road 7120 .0 .0 * -M 21.2 * Younts Peak 8350 .0 .0 * 18.6 20.6 90 ----- ----- Basin Index (%) 195* 101 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 17.0 14.6 116 Cloud Peak Reservoir 9860 14.1 1.6 881* 26.0 22.2 117 Grave Springs 8550 .0 .0 * 16.8 14.9 113 Hansen Sawmill 8360 .1 .0 * 16.6 15.3 108 Middle Powder 7760 .0 .0 * 18.5 16.6 111 Powder River Pass 9480 .0 .0 * 15.2 19.4 78 Soldier Park 8720 .1 .0 * 16.6 16.2 102 ----- ----- Basin Index (%) 894* 106 TONGUE RIVER Big Goose 7990 3.1 .0 * 21.7 19.6 111 Bone Springs Div 9350 13.8 2.8 493 21.0 21.8 96 Burgess Junction 7880 7.6 .0 * 22.8 18.8 121 Dome Lake 8880 8.0 .0 * 24.5 21.5 114 Little Goose 8870 6.3 .0 * 25.1 21.5 117 Sucker Creek 8880 10.4 .0 * 29.0 22.6 128 Tie Creek 6870 .0 .0 * 22.4 19.8 113 ----- ----- Basin Index (%) 1757* 114 BELLE FOURCHE Blind Park 6890 .0 .0 * 18.6 17.8 104 Cole Canyon 5910 .0 .0 * 19.4 17.1 113 North Rapid Creek 6130 .2 .0 * 12.0 15.1 79 ----- ----- Basin Index (%) * 100 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 18.6 17.8 104 North Rapid Creek 6130 .2 .0 * 12.0 15.1 79 ----- ----- Basin Index (%) * 93 UPPER N. PLATTE Arapaho Ridge 10976 4.5 7.6 59 27.4 29.5 93 Blackhall Mtn 9839 7.4 17.9 41 37.7 41.3 91 Cinnabar Park 9707 .0 .0 * 26.0 30.2 86 Columbine 9167 -M .0 * 31.3 31.8 98 Divide Peak 8730 .0 .0 * 25.6 27.0 95 Joe Wright 10158 14.0 10.7 131 39.3 34.8 113 Laprele Creek 8390 .0 .0 * 16.6 18.2 91 Med Bow 10512 25.0 -M * 39.1 -M * Never Summer 10323 15.0 14.0 107 24.9 24.2 103 North French Creek 10153 14.9 16.8 89 34.5 37.6 92 Old Battle 9860 20.4 20.2 101 38.8 43.0 90 Rawah 9069 .0 .0 * 22.7 21.7 105 Sage Creek Basin 7850 -M .0 * 14.5 17.0 85 Sand Lake 10098 22.1 19.5 113 34.5 33.8 102 South Brush Creek 8495 .3 .0 * 17.6 20.2 87 Tower 10620 29.2 27.4 107 51.8 51.0 102 Webber Springs 9260 .0 .0 * 32.0 33.5 96 Whiskey Park 9020 .2 .4 50* 36.4 36.8 99 Willow Creek Pass 9523 .1 .0 * 20.1 18.8 107 Zirkel 9338 .0 .0 * 39.7 36.5 109 ----- ----- Basin Index (%) 95* 97 SWEETWATER Deer Park 9700 5.0 .0 * 24.0 25.1 96 Larsen Creek 9000 .2 .0 * 16.9 17.2 98 South Pass 9040 .2 .0 * 20.9 21.6 97 ----- ----- Basin Index (%) * 97 LOWER N. PLATTE Casper Mtn. 7920 .0 .0 * 22.4 21.9 102 Laprele Creek 8390 .0 .0 * 16.6 18.2 91 Reno Hill 8430 .2 .0 * 25.5 23.4 109 Windy Peak 7915 .1 .0 * 14.6 17.4 84 ----- ----- Basin Index (%) * 98 LARAMIE RIVER Brooklyn Lake 10250 .4 .4 100* 29.2 29.1 100 Cinnabar Park 9707 .0 .0 * 26.0 30.2 86 Crow Creek 8335 .0 .0 * 14.4 17.1 84 Deadman Hill 10239 1.5 4.2 36 26.4 24.7 107 Rawah 9069 .0 .0 * 22.7 21.7 105 Roach 9740 .3 .0 * 27.1 26.4 103 Windy Peak 7915 .1 .0 * 14.6 17.4 84 ----- ----- Basin Index (%) 50* 96 S. PLATTE Crow Creek 8335 .0 .0 * 14.4 17.1 84 ----- ----- Basin Index (%) * 84 LITTLE SNAKE RIVER Battle Mountain 7498 .0 .0 * 20.4 20.0 102 Divide Peak 8730 .0 .0 * 25.6 27.0 95 Elk River 8739 .0 .0 * 27.4 24.6 111 Elkhead Divide 8800 .0 -M * 26.8 -M * Little Snake River 8928 .0 .0 * 38.1 41.6 92 Old Battle 9860 20.4 20.2 101 38.8 43.0 90 Sage Creek Basin 7850 -M .0 * 14.5 17.0 85 Sandstone RS 8152 .0 .0 * 20.3 22.4 91 Whiskey Park 9020 .2 .4 50* 36.4 36.8 99 ----- ----- Basin Index (%) 100* 95 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 16.8 17.8 94 Blind Bull Sum 8650 17.5 10.9 161 19.2 23.6 81 East Rim Divide 7930 .1 .0 * 14.7 15.4 95 Elkhart Park G.S. 9400 .1 .0 * 14.1 17.4 81 Gros Ventre Summit 8750 1.4 .0 * 16.1 16.4 98 Gunsight Pass 9820 9.1 .0 * 20.2 18.4 110 Indian Creek 9425 8.7 5.0 174 25.3 26.4 96 Kendall R.S. 7740 .1 .0 * 18.0 17.6 102 Larsen Creek 9000 .2 .0 * 16.9 17.2 98 Loomis Park 8240 .0 .0 * 20.4 22.3 91 New Fork Lake 8340 .0 .0 * 13.3 15.6 85 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 .0 .0 * 19.6 18.6 105 Spring Creek Divide 9000 14.1 8.9 158 29.5 29.9 99 Triple Peak 8500 -M .0 * 33.3 32.4 103 ----- ----- Basin Index (%) 207* 96 LOWER GREEN RIVER Blacks Fork Jct 8869 .0 .0 * 16.4 15.7 104 Buck Pasture 9632 .0 -M * 21.9 -M * EF Blacks Fork GS 9360 .0 .0 * 19.6 16.8 117 Hams Fork 7840 .0 .0 * 14.7 16.0 92 Henrys Fork 10182 -M -M * 15.5 -M * Hewinta 9500 .0 .0 * 19.3 18.2 106 Hickerson Park 9122 .0 .0 * 14.7 14.5 101 Hole-in-Rock 9168 .0 .0 * 14.5 14.4 101 Indian Creek 9425 8.7 5.0 174 25.3 26.4 96 Kelley R.S. 8180 .0 .0 * 21.2 22.8 93 Spirit Lk 10235 .0 .0 * 18.8 20.8 90 Steel Creek Park 10158 .9 1.1 82* 22.4 21.6 104 ----- ----- Basin Index (%) 157* 100 UPPER BEAR RIVER Bear River RS 8777 .0 .0 * 17.5 15.2 115 Bug Lake 7987 .0 .0 * 23.1 23.2 100 Burts Miller Ranch 8000 .0 .0 * 10.6 9.9 107 Chalk Creek #1 9171 .0 .0 * 28.9 29.9 97 Giveout 6930 .3 .0 * 15.8 17.2 92 Hayden Fork 9130 .0 .0 * 26.6 26.4 101 Kelley R.S. 8180 .0 .0 * 21.2 22.8 93 Lily Lake 9133 -M .0 * -M 21.4 * Monte Cristo 8932 .0 .0 * 31.3 31.8 98 Salt River Summit 7640 .0 .0 * 20.6 20.8 99 Spring Creek Divide 9000 14.1 8.9 158 29.5 29.9 99 Trial Lake 9992 .0 .0 * 28.0 29.2 96 ----- ----- Basin Index (%) 162* 99 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Median (or Average) 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 (or Average) represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. The TOTAL PRECIPITATION Percent of Median (or Average) represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. 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 or average for the day is less than 10% of the maximum median or average value for the year. * Basin - More than half of the stations for a basin with medians (or averages) report missing or invalid data The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages 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.