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: SEPTEMBER 28 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 .1 .0 * 37.9 31.7 120 Black Bear 8170 -M .0 * -M 54.6 * Blind Bull Sum 8650 .0 .0 * 36.9 30.6 121 Cottonwood Creek 7670 .2 .0 * 51.9 38.8 134 East Rim Divide 7930 .1 .0 * 25.7 19.8 130 Grand Targhee 9260 .3 .0 * 56.3 47.5 119 Granite Creek 6770 .0 .0 * 36.1 29.4 123 Grassy Lake 7265 .3 .0 * 59.9 51.9 115 Gros Ventre Summit 8750 .0 .0 * 26.3 23.4 112 Gunsight Pass 9820 .0 .0 * 33.6 25.6 131 Lewis Lake Divide 7850 .0 .0 * 60.6 50.3 120 Phillips Bench 8200 .0 .0 * 49.3 41.0 120 Salt River Summit 7760 .0 .0 * 30.6 26.6 115 Snake River Station 6920 .0 .0 * 42.2 34.7 122 Spring Creek Divide 9000 .2 .0 * 46.0 35.6 129 Thumb Divide 7980 .1 .0 * 32.5 29.4 111 Togwotee Pass 9580 .3 .0 * 46.4 38.5 121 Two Ocean Plateau 9240 .0 .0 * 49.7 42.8 116 Willow Creek 8380 .2 .0 * 60.0 51.6 116 Younts Peak 8350 -M .0 * -M 29.0 * ----- ----- Basin Index (%) * 120 MADISON-GALLATIN Black Bear 8170 -M .0 * -M 54.6 * Canyon 7870 .0 .0 * 28.6 27.5 104 Madison Plateau 7750 .3 .0 * -M 40.2 * West Yellowstone 6700 .1 .0 * -M 23.8 * Whiskey Creek 6800 .0 .0 * -M 32.6 * ----- ----- Basin Index (%) * 104* YELLOWSTONE Beartooth Lake 9360 .0 .0 * 45.5 32.8 139 Burnt Mtn 5880 .3 .0 * 34.9 29.3 119 Canyon 7870 .0 .0 * 28.6 27.5 104 Cole Creek 7850 .0 .0 * 33.0 31.0 106 Evening Star 9200 .1 .0 * 58.9 44.6 132 Fisher Creek 9100 .0 .0 * 60.1 51.3 117 Northeast Entrance 7350 .1 .0 * 29.1 24.8 117 Parker Peak 9400 .0 .0 * -M 31.6 * Sylvan Lake 8420 .0 .0 * 47.0 37.8 124 Thumb Divide 7980 .1 .0 * 32.5 29.4 111 Two Ocean Plateau 9240 .0 .0 * 49.7 42.8 116 White Mill 8700 .0 .0 * 46.6 40.2 116 Wolverine 7650 .1 .0 * 29.3 23.3 126 ----- ----- Basin Index (%) * 119 WIND RIVER Burroughs Creek 8750 .2 .0 * 5.3 28.1 19 Castle Creek 8400 .1 -M * 22.5 -M * Cold Springs 9630 .0 .0 * 22.0 21.6 102 Deer Park 9700 .0 .0 * 31.2 34.8 90 Hobbs Park 10100 .1 .0 * 25.6 27.6 93 Kirwin 9550 .2 .0 * 29.8 26.1 114 Little Warm 9370 .1 .0 * 27.0 25.7 105 Owl Creek 8975 .2 .0 * 14.3 17.1 84 South Pass 9040 .0 .0 * 22.4 29.3 76 St. Lawrence Alt 8620 .3 .0 * 17.0 20.1 85 Togwotee Pass 9580 .3 .0 * 46.4 38.5 121 Townsend Creek 8700 .1 .0 * 19.6 24.4 80 ----- ----- Basin Index (%) * 89 BIGHORN BASIN Bald Mtn. 9380 .1 .0 * 35.5 32.0 111 Bear Trap Meadow 8200 .0 .0 * 25.8 20.6 125 Bone Springs Div 9350 .1 .0 * 32.5 31.2 104 Grave Springs 8550 .0 .0 * 22.6 22.9 99 Kirwin 9550 .2 .0 * 29.8 26.1 114 Marquette 8760 .0 -M * 25.1 -M * Middle Powder 7760 .0 .0 * 29.8 24.8 120 Owl Creek 8975 .2 .0 * 14.3 17.1 84 Powder River Pass 9480 .0 .0 * 32.1 26.6 121 Shell Creek 9580 .0 .0 * 33.3 28.2 118 Timber Creek 7950 .3 .0 * 22.1 21.0 105 ----- ----- Basin Index (%) * 111 SHOSHONE RIVER Blackwater 9780 .1 .0 * 45.5 36.0 126 Evening Star 9200 .1 .0 * 58.9 44.6 132 Marquette 8760 .0 -M * 25.1 -M * Sylvan Road 7120 .0 .0 * 35.0 28.2 124 Younts Peak 8350 -M .0 * -M 29.0 * ----- ----- Basin Index (%) * 128 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 25.8 20.6 125 Cloud Peak Reservoir 9860 .0 .0 * 37.4 30.2 124 Grave Springs 8550 .0 .0 * 22.6 22.9 99 Hansen Sawmill 8360 .1 .0 * 25.8 21.8 118 Middle Powder 7760 .0 .0 * 29.8 24.8 120 Powder River Pass 9480 .0 .0 * 32.1 26.6 121 Soldier Park 8720 .0 -M * 26.4 -M * ----- ----- Basin Index (%) * 118 TONGUE RIVER Big Goose 7990 .2 .0 * 28.3 24.4 116 Bone Springs Div 9350 .1 .0 * 32.5 31.2 104 Burgess Junction 7880 .2 .0 * 27.8 25.3 110 Dome Lake 8880 .0 .0 * 34.2 28.2 121 Little Goose 8870 .1 -M * 34.6 -M * Sucker Creek 8880 .0 .0 * 33.4 29.6 113 Tie Creek 6870 .0 .0 * 28.6 26.5 108 ----- ----- Basin Index (%) * 112 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 27.3 25.2 108 ----- ----- Basin Index (%) * 108 CHEYENNE RIVER BASIN Blind Park 6890 .1 .0 * 30.8 27.5 112 North Rapid Creek 6130 .1 .0 * 31.8 27.1 117 ----- ----- Basin Index (%) * 115 UPPER N. PLATTE Arapaho Ridge 10960 .0 .0 * 44.6 38.2 117 Blackhall Mtn 9820 .0 -M * 52.6 -M * Columbine 9160 .1 .0 * 49.3 38.0 130 Divide Peak 8880 .0 .0 * 37.5 33.7 111 Joe Wright 10120 .0 .0 * 54.7 44.0 124 Laprele Creek 8375 .2 .0 * 22.3 24.1 93 Med Bow 10500 .0 -M * 58.4 -M * North French Creek 10130 .0 .0 * 52.4 43.0 122 Never Summer 10280 .1 .0 * 42.0 -M * Old Battle 10000 .1 .0 * 54.6 51.6 106 Rawah 9020 .0 .0 * -M 27.0 * Sage Creek Basin 7850 .2 .0 * 21.7 22.9 95 Sand Lake 10050 .0 .0 * 50.4 40.7 124 South Brush Creek 8440 .0 .0 * 25.6 27.4 93 Tower 10500 .0 .0 * 70.5 58.2 121 Webber Springs 9250 .0 .0 * 46.1 40.3 114 Willow Creek Pass 9540 .0 .0 * 31.4 25.8 122 Zirkel 9340 .0 .0 * 57.2 43.1 133 ----- ----- Basin Index (%) * 116 SWEETWATER Deer Park 9700 .0 .0 * 31.2 34.8 90 Larsen Creek 9000 .1 .0 * 23.7 -M * South Pass 9040 .0 .0 * 22.4 29.3 76 ----- ----- Basin Index (%) * 84 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 25.8 27.8 93 Laprele Creek 8375 .2 .0 * 22.3 24.1 93 Reno Hill 8400 .0 .0 * 33.6 28.6 117 Windy Peak 7900 .0 .0 * 24.9 22.8 109 ----- ----- Basin Index (%) * 103 LARAMIE RIVER Brooklyn Lake 10240 .0 .0 * 44.8 35.2 127 Cinnabar Park 9574 .0 .0 * 45.1 37.8 119 Crow Creek 8330 .0 .0 * 26.5 25.8 103 Deadman Hill 10220 .0 .0 * 40.0 30.9 129 Rawah 9020 .0 .0 * -M 27.0 * Roach 9700 .1 .0 * -M 33.2 * ----- ----- Basin Index (%) * 121 S. PLATTE Black Mountain 8920 .1 -M * 28.7 -M * Crow Creek 8330 .0 .0 * 26.5 25.8 103 Deadman Hill 10220 .0 .0 * 40.0 30.9 129 ----- ----- Basin Index (%) * 117 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 27.0 24.1 112 Divide Peak 8880 .0 .0 * 37.5 33.7 111 Elk River 8700 .0 .0 * 35.5 32.2 110 Little Snake River 8915 .3 .0 * 50.0 43.5 115 Old Battle 10000 .1 .0 * 54.6 51.6 106 Sage Creek Basin 7850 .2 .0 * 21.7 22.9 95 Sandstone RS 8150 .0 .0 * 26.6 29.2 91 Whiskey Park 8950 .2 .0 * 55.2 41.5 133 ----- ----- Basin Index (%) * 111 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 23.2 24.0 97 Blind Bull Sum 8650 .0 .0 * 36.9 30.6 121 East Rim Divide 7930 .1 .0 * 25.7 19.8 130 Elkhart Park G.S. 9400 .2 .0 * 28.7 24.5 117 Gros Ventre Summit 8750 .0 .0 * 26.3 23.4 112 Gunsight Pass 9820 .0 .0 * 33.6 25.6 131 Kendall R.S. 7740 .1 .0 * 32.6 22.7 144 Loomis Park 8240 .1 .0 * 36.2 27.6 131 New Fork Lake 8340 .1 .0 * 23.3 20.1 116 Pocket Creek 9360 -M -M * 28.7 -M * Snider Basin 8060 .2 .0 * 29.5 21.8 135 Spring Creek Divide 9000 .2 .0 * 46.0 35.6 129 Triple Peak 8500 .1 .0 * 51.7 37.9 136 ----- ----- Basin Index (%) * 126 LOWER GREEN RIVER Blacks Fork Jct 8870 .0 -M * 25.7 -M * Buck Pasture 9700 .0 -M * 25.5 -M * EF Blacks Fork GS 9360 .0 -M * 23.7 -M * Hams Fork 7840 .3 .0 * 26.2 19.6 134 Hewinta 9519 -M .0 * -M 25.8 * Hickerson Park 9145 .4 .0 * 22.5 21.5 105 Hole-in-Rock 9150 .0 .0 * 23.1 21.0 110 Indian Creek 9425 .0 .0 * 40.5 33.6 121 Kelley R.S. 8180 .4 .0 * 33.4 27.8 120 Spirit Lk 10235 .0 -M * 31.6 -M * Steel Creek Park 10200 .0 .0 * 32.0 29.8 107 ----- ----- Basin Index (%) * 116 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 24.6 -M * Bug Lake 7950 .3 .0 * 34.7 29.6 117 Burts Miller Ranch 8000 .0 -M * 14.5 -M * Chalk Creek #1 8993 .1 .0 * 31.4 40.0 78 Hayden Fork 9212 .1 .0 * 38.7 34.0 114 Kelley R.S. 8180 .4 .0 * 33.4 27.8 120 Lily Lake 9156 .0 .0 * 29.3 29.2 100 Monte Cristo 8960 .3 .0 * 43.4 39.0 111 Salt River Summit 7760 .0 .0 * 30.6 26.6 115 ----- ----- Basin Index (%) * 107 ----------------------------------------------------------------------------- -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.