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Water Resources Data System
Dept 3943
1000 E. University Ave.
Laramie, WY 82071

wrds@uwyo.edu
Ph (307) 766-6651
Fax (307) 766-3785

At 6:38p, 5/21/18
Temperature 62.4°F
Wind 10.0 mph


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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: AUGUST 17 , 2009
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      -M      .0      *      -M    30.9      *
 COTTONWOOD CREEK         7670      .0      .0   100     48.3    39.9   121
 GRAND TARGHEE            9260      .0      -M      *    51.9      -M      *
 GRANITE CREEK            6770      .1      .0           32.0    28.6   112
 GRASSY LAKE              7265      .0      .0   100     51.9    50.4   103
 GROS VENTRE SUMMIT       8750      .0      .0   100     25.5    22.2   115
 GUNSIGHT PASS            9820      -M      -M      *      -M      -M      *
 LEWIS LAKE DIVIDE        7850      .0      .0   100     50.1    50.4    99
 PHILLIPS BENCH           8200      .0      .0   100     44.5    41.0   109
 SALT RIVER SUMMIT        7760      .1      .0           27.9    27.2   103
 SNAKE RIVER STATION      6920      .0      .0   100     35.8    32.9   109
 SPRING CREEK DIVIDE      9000      .0      .0   100     40.4    36.7   110
 THUMB DIVIDE             7980      .0      .0   100     33.8    28.5   119
 TOGWOTEE PASS            9580      .1      .0           45.9    37.7   122
 TWO OCEAN PLATEAU        9240      .0      .0   100     47.5    42.0   113
 WILLOW CREEK             8380      .0      .0   100     59.2    48.0   123
                                                -----                  -----
                Basin wide percent of average       *                   112


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360      .0      .0   100     36.5    32.6   112
 BLACK BEAR               8170      .0      .0   100     52.2    56.3    93
 CANYON                   7870      .0      .0   100     28.3    25.1   113
 FISHER CREEK             9100      .0      .0   100     52.3    54.3    96
 MADISON PLATEAU          7750      .0      .0   100     37.8    39.2    96
 NORTHEAST ENTRANCE       7350      .0      .0   100     25.1    23.2   108
 PARKER PEAK              9400      .0      .0   100     31.8    28.5   112
 SYLVAN LAKE              8420      .0      .0   100     39.2    34.8   113
 THUMB DIVIDE             7980      .0      .0   100     33.8    28.5   119
 TWO OCEAN PLATEAU        9240      .0      .0   100     47.5    42.0   113
 WHISKEY CREEK            6800      .0      .0   100     30.7    32.2    95
 WHITE MILL               8700      .0      .0   100     39.7    41.9    95
 WOLVERINE                7650      .0      .0   100     24.2    23.1   105
                                                -----                  -----
                Basin wide percent of average       *                   104


WIND RIVER

 BURROUGHS CREEK          8750      .0      .0   100     30.4    27.0   113
 COLD SPRINGS             9630      .0      .0   100     21.9    21.5   102
 DEER PARK                9700      .0      .0   100     32.3    35.5    91
 HOBBS PARK              10100      .0      .0   100     27.7    25.8   107
 LITTLE WARM              9370      .0      .0   100     27.6    24.6   112
 SOUTH PASS               9040      .0      .0   100     27.9    29.8    94
 ST. LAWRENCE ALT         8620      .0      .0   100     20.2    19.5   104
 TOGWOTEE PASS            9580      .1      .0           45.9    37.7   122
 TOWNSEND CREEK           8700      .0      .0   100     24.4    22.9   107
                                                -----                  -----
                Basin wide percent of average       *                   106


BIGHORN BASIN

 BALD MTN.                9380      .0      .0   100     28.9    31.0    93
 BEAR TRAP MEADOW         8200      .0      .0   100     21.4    18.9   113
 BLACKWATER               9780      .0      .0   100     38.6    35.4   109
 BONE SPRINGS DIV         9350      .0      .0   100     27.8    28.7    97
 EVENING STAR             9200      .0      .0   100     48.0    41.2   117
 GRAVE SPRINGS            8550      .0      .0   100     18.0    21.0    86
 KIRWIN                   9550      .0      .0   100     28.5    24.0   119
 MARQUETTE                8760      .0      .0   100     20.9    24.1    87
 MIDDLE POWDER            7760      .0      .0   100     21.7    23.9    91
 OWL CREEK                8975      .0      .0   100     20.9    15.8   132
 POWDER RIVER PASS        9480      .0      .0   100     28.3    24.8   114
 SHELL CREEK              9580      .0      .0   100     28.8    26.5   109
 SYLVAN LAKE              8420      .0      .0   100     39.2    34.8   113
 SYLVAN ROAD              7120      .0      .0   100     32.5    27.9   116
 TIMBER CREEK             7950      .0      .0   100     19.7    19.2   103
 YOUNTS PEAK              8350      .0      .0   100     28.4    27.9   102
                                                -----                  -----
                Basin wide percent of average       *                   106


SHOSHONE RIVER

 BLACKWATER               9780      .0      .0   100     38.6    35.4   109
 EVENING STAR             9200      .0      .0   100     48.0    41.2   117
 KIRWIN                   9550      .0      .0   100     28.5    24.0   119
 MARQUETTE                8760      .0      .0   100     20.9    24.1    87
 SYLVAN LAKE              8420      .0      .0   100     39.2    34.8   113
 SYLVAN ROAD              7120      .0      .0   100     32.5    27.9   116
 YOUNTS PEAK              8350      .0      .0   100     28.4    27.9   102
                                                -----                  -----
                Basin wide percent of average       *                   110


POWDER-TONGUE

 BEAR TRAP MEADOW         8200      .0      .0   100     21.4    18.9   113
 BIG GOOSE                7990      .0      .0   100     22.9    20.0   114
 BONE SPRINGS DIV         9350      .0      .0   100     27.8    28.7    97
 BURGESS JUNCTION         7880      .0      .0   100     23.8    24.1    99
 CLOUD PEAK RESERVOIR     9860      .0      .0   100     30.4    28.0   109
 DOME LAKE                8880      .0      .0   100     27.2    26.0   105
 GRAVE SPRINGS            8550      .0      .0   100     18.0    21.0    86
 HANSEN SAWMILL           8360      .0      .0   100     19.4    19.7    98
 MIDDLE POWDER            7760      .0      .0   100     21.7    23.9    91
 POWDER RIVER PASS        9480      .0      .0   100     28.3    24.8   114
 SUCKER CREEK             8880      .0      .0   100     30.9    27.3   113
 TIE CREEK                6870      .0      .0   100     27.9    22.3   125
                                                -----                  -----
                Basin wide percent of average       *                   105


BELLE FOURCHE

 BLIND PARK               6890      .0      .0   100     27.0    24.8   109
 COLE CANYON              5910      .0      .0   100     26.7    20.4   131
 NORTH RAPID CREEK        6130      .0      .0   100     22.0    23.3    94
                                                -----                  -----
                Basin wide percent of average       *                   111


UPPER N. PLATTE RIVER

 COLUMBINE                9160      .0      .0   100     38.1    35.9   106
 DIVIDE PEAK              8880      .1      .0           41.4    31.0   134
 ELK RIVER                8700      .0      .0   100       -M    29.9      *
 JOE WRIGHT              10120      .0      .0   100     43.4    41.0   106
 NORTH FRENCH CREEK      10130      -M      .0      *      -M    39.7      *
 OLD BATTLE              10000      .0      .0   100       -M    48.4      *
 SAGE CREEK BASIN         7850      .0      .0   100     25.8    18.0   143
 SOUTH BRUSH CREEK        8440      .0      .0   100     27.2    28.2    96
 TOWER                   10500      .0      .0   100       -M    55.0      *
 WEBBER SPRINGS           9250      .0      .0   100     42.6    38.7   110
 WILLOW CREEK PASS        9540      .0      .0   100     22.8    23.9    95
                                                -----                  -----
                Basin wide percent of average       *                   111


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      .0      .0   100     34.1    35.9    95
 CASPER MTN.              7900      .0      .0   100     26.7    28.2    95
 DEADMAN HILL            10220      .0      .0   100     30.0    29.0   103
 DEER PARK                9700      .0      .0   100     32.3    35.5    91
 LAPRELE CREEK            8375      -M      .0      *    23.2    25.1    92
 RENO HILL                8400      .0      .0   100     28.4    29.0    98
 ROACH                    9700      .0      .0   100     31.9    31.0   103
 SAND LAKE               10050      .0      .0   100     45.2    39.2   115
 SOUTH PASS               9040      .0      .0   100     27.9    29.8    94
 WINDY PEAK               7900      .0      .0   100     22.7    21.8   104
                                                -----                  -----
                Basin wide percent of average       *                    99


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100     29.1    23.6   123
 DIVIDE PEAK              8880      .1      .0           41.4    31.0   134
 OLD BATTLE              10000      .0      .0   100       -M    48.4      *
 SANDSTONE RS             8150      .5      .0           31.9    28.3   113
 WHISKEY PARK             8950      .0      .0   100     48.2    42.3   114
                                                -----                  -----
                Basin wide percent of average       *                   120


UPPER GREEN RIVER

 BIG SANDY OPENING        9080      .0      .0   100     26.8    22.4   120
 BLIND BULL SUM           8650      .0      .0   100     32.5    31.9   102
 EAST RIM DIVIDE          7930      -M      .0      *    21.5    19.2   112
 ELKHART PARK G.S.        9400      .0      .0   100     27.8    23.1   120
 GROS VENTRE SUMMIT       8750      .0      .0   100     25.5    22.2   115
 GUNSIGHT PASS            9820      -M      -M      *      -M      -M      *
 KENDALL R.S.             7740      .0      .0   100     24.0    21.9   110
 LOOMIS PARK              8240      .0      .0   100     30.5    26.1   117
 NEW FORK LAKE            8340      .0      .0   100     21.2    19.6   108
 SNIDER BASIN             8060      .0      .0   100     23.2    23.0   101
 SPRING CREEK DIVIDE      9000      .0      .0   100     40.4    36.7   110
 TRIPLE PEAK              8500      .0      .0   100     41.0    35.9   114
                                                -----                  -----
                Basin wide percent of average       *                   111


LOWER GREEN RIVER

 HAMS FORK                7840      .2      .0           22.9    20.1   114
 HEWINTA                  9519      .0      .0   100     22.9    24.8    92
 HICKERSON PARK           9145      .0      .0   100     22.8    16.7   137
 HOLE-IN-ROCK             9150      .0      .0   100     19.3    16.6   116
 INDIAN CREEK             9425      .0      .0   100     33.6    35.8    94
 KELLEY R.S.              8180      .1      .0           29.9    29.3   102
 STEEL CREEK PARK        10200      .0      .0   100     27.8    27.9   100
                                                -----                  -----
                Basin wide percent of average       *                   105


UPPER BEAR RIVER

 BUG LAKE                 7950      .1      .0           27.3    28.0    98
 HAYDEN FORK              9212      .0      .0   100     33.6    32.6   103
 KELLEY R.S.              8180      .1      .0           29.9    29.3   102
 LILY LAKE                9156      .0      .0   100     27.7    27.9    99
 MONTE CRISTO             8960      .0      .0   100     39.2    37.3   105
 SALT RIVER SUMMIT        7760      .1      .0           27.9    27.2   103
 TRIAL LAKE               9992      .0      .0   100     38.4    38.3   100
                                                -----                  -----
                Basin wide percent of average       *                   102

-----------------------------------------------------------------------------


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Average Snow Water Equivalent and

Total Precipitation values

If the Basin wide percent of average 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 Average represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the average 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 average conditions is 1961-90.

Provisional data, subject to revision.