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: MAY 23 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ CALIFORNIA NORTHERN GREAT BASIN SHELDON 5860 .1 .0 * 6.7 7.6 88 DISASTER PEAK 6500 .0 .0 * 12.8 18.6 69 CEDAR PASS 7030 -M .0 * 22.7 29.9 76 DISMAL SWAMP 7360 -M 11.0 * 31.8 44.2 72 SUMMIT LK 7649 .0 -M * 14.6 -M * ----- ----- Basin wide percent * 74 TRUCKEE RIVER MT ROSE SKI AREA 8801 .0 22.9 0 41.3 51.3 81 INDEPENDENCE LAKE 8352 19.9 35.6 56 34.9 44.2 79 BIG MEADOW 8249 .0 .0 * 22.0 28.9 76 SQUAW VALLEY G.C. 8029 .2 23.4 1 43.1 60.7 71 INDEPENDENCE CAMP 7003 .1 .0 * 18.9 30.7 62 CSS LAB 6855 .0 .0 * 46.2 62.5 74 INDEPENDENCE CREEK 6456 .2 .0 * 20.4 30.2 68 TRUCKEE #2 6509 .2 .0 * 24.8 32.1 77 ----- ----- Basin wide percent 25* 74 LAKE TAHOE HEAVENLY VALLEY 8582 .0 .0 * 26.3 30.5 86 HAGAN'S MEADOW 7776 .0 .0 * 24.3 28.0 87 MARLETTE LAKE 7880 .0 .0 * 26.1 31.1 84 ECHO PEAK 7670 .0 1.5 0* 44.7 55.1 81 RUBICON #2 7689 .0 2.2 0* 30.0 38.9 77 TAHOE CITY CROSS 6797 .0 .0 * 28.6 33.9 84 WARD CREEK #3 6655 .0 1.0 0* 53.1 65.3 81 FALLEN LEAF 6236 .0 .0 * 27.6 29.4 94 ----- ----- Basin wide percent 0* 84 CARSON RIVER EBBETTS PASS 8765 .0 7.2 0 39.9 49.3 81 HORSE MEADOW 8557 .0 .0 * 18.9 24.7 77 CARSON PASS 8353 .3 15.0 2 31.1 44.9 69 MONITOR PASS 8310 .0 .0 * 16.1 20.1 80 BURNSIDE LAKE 8129 .0 .0 * 30.4 41.0 74 FORESTDALE CREEK 8017 .0 5.6 0 35.1 48.3 73 BLUE LAKES 8057 .0 16.1 0 27.5 41.0 67 POISON FLAT 7736 .0 .0 * 20.6 29.2 71 SPRATT CREEK 6115 .0 .0 * 21.7 28.5 76 ----- ----- Basin wide percent 1* 74 WALKER RIVER LEAVITT LAKE 9617 28.0 47.9 58 39.1 51.3 76 LOBDELL LAKE 9233 .0 .0 * 17.9 21.9 82 VIRGINIA LAKES RIDGE 9445 .0 2.8 0 -M 24.6 * SUMMIT MEADOW 9313 .0 1.7 0* 15.7 22.2 71 SONORA PASS 8827 .0 5.1 0 23.2 33.6 69 LEAVITT MEADOWS 7198 .0 .0 * 21.8 28.7 76 ----- ----- Basin wide percent 49 75 KLAMATH FISH LK. 4660 .1 .0 * 38.3 40.2 95 CHEMULT ALTERNATE 4850 .0 .0 * 20.1 24.0 84 GERBER RESERVOIR 4890 .0 .0 * 10.9 14.1 77 TAYLOR BUTTE 5030 .0 .0 * 15.3 19.0 81 CROWDER FLAT 5170 .0 .0 * 14.6 16.5 88 BILLIE CREEK DIVIDE 5280 .7 .0 * 44.8 47.7 94 DIAMOND LAKE 5280 .0 .0 * 43.4 43.3 100 SUN PASS 5400 .0 -M * 26.7 -M * SEVENMILE MARSH 5700 .3 7.8 4 48.0 57.7 83 QUARTZ MOUNTAIN 5720 .1 .0 * 16.1 15.4 105 SILVER CREEK 5740 .0 .0 * 15.8 23.3 68 STRAWBERRY 5770 .0 .0 * 17.4 20.0 87 COLD SPRINGS CAMP 5940 .3 3.5 9 43.5 51.3 85 FOURMILE LAKE 5970 .0 7.9 0 38.2 48.9 78 ANNIE SPRINGS 6010 6.5 31.8 20 54.3 64.9 84 CRAZYMAN FLAT 6180 .2 .0 * 28.5 33.4 85 SWAN LAKE MTN 6830 .1 -M * 24.0 -M * SUMMER RIM 7080 .0 .0 * 21.9 25.2 87 ----- ----- Basin wide percent 16* 86 ----------------------------------------------------------------------------- -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 wide percent 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. Reference period for comparison of conditions is 1981-2010. Provisional data, subject to revision.