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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


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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 SUNDAY: AUGUST 17 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .2      .0      *    50.0    31.6   158 
 COTTONWOOD CREEK         7600      .0      .0   100*    49.4    35.1   141 
 GRANITE CREEK            6770      .1      .0      *    43.5    35.0   124 
 GRASSY LAKE              7265      .0      .0   100*    73.7    52.3   141 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    32.2    23.7   136 
 LEWIS LAKE DIVIDE        7860      .0      .0   100*    73.7    53.1   139 
 PHILLIPS BENCH           8200      .0      .0   100*    62.3    41.9   149 
 SALT RIVER SUMMIT        7600      .1      .0      *    35.4    25.1   141 
 SNAKE RIVER STATION      6920      .0      .0   100*    51.7    36.7   141 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    44.9    37.7   119 
 THUMB DIVIDE             7980      .0      .0   100*    47.2    29.6   159 
 TOGWOTEE PASS            9580      .1      .0      *    54.2    39.9   136 
 TWO OCEAN PLATEAU        9360      .0      .0   100*    61.6    43.6   141 
 WILLOW CREEK             8450      .0      .0   100*    68.0    45.0   151 
                                                -----                  -----
                Basin wide percent of average       *                   141 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      .3      .0      *    43.5    30.5   143 
 BLACK BEAR               7950      -M      .0      *    85.8    57.7   149 
 CANYON                   7940      .0      .0   100*    35.1    24.4   144 
 FISHER CREEK             9100      .1      .0      *    70.8    54.9   129 
 MADISON PLATEAU          7750      .0      .0   100*    53.8    39.1   138 
 NORTHEAST ENTRANCE       7350      .0      .0   100*    33.6    22.1   152 
 PARKER PEAK              9400      .0      .0   100*    36.8    28.1   131 
 SYLVAN LAKE              8420      .0      .0   100*    48.8    33.3   147 
 THUMB DIVIDE             7980      .0      .0   100*    47.2    29.6   159 
 TWO OCEAN PLATEAU        9360      .0      .0   100*    61.6    43.6   141 
 WHISKEY CREEK            6800      .0      .0   100*    41.7    33.5   124 
 WHITE MILL               8700      .0      .0   100*    55.5    43.4   128 
 WOLVERINE                7650      .0      .0   100*    26.3    23.7   111 
                                                -----                  -----
                Basin wide percent of average       *                   138 


WIND RIVER

 BURROUGHS CREEK          8750      .0      .0   100*    38.6    26.7   145 
 CHRISTINA LAKE           9980      -M      .0      *      -M    28.3      *
 COLD SPRINGS             9630      .0      .0   100*    25.6    20.4   125 
 HOBBS PARK              10100      .0      .0   100*    26.4    25.7   103 
 LITTLE WARM              9620      .0      .0   100*    32.9    24.0   137 
 SOUTH PASS               9040      -M      .0      *    33.9    28.6   119 
 ST. LAWRENCE ALT         8620      -M      .0      *    23.6    18.9   125 
 TOGWOTEE PASS            9580      .1      .0      *    54.2    39.9   136 
 TOWNSEND CREEK           8700      .0      .0   100*    25.5    22.9   111 
                                                -----                  -----
                Basin wide percent of average       *                   126 


BIGHORN BASIN

 BALD MTN.                9375      -M      .0      *    36.5    30.1   121 
 BEAR TRAP MEADOW         7900      .2      .0      *    23.8    18.3   130 
 BLACKWATER               9780      .1      .0      *    46.1    32.5   142 
 BONE SPRINGS DIV         9350      .3      .0      *    32.9    28.4   116 
 EVENING STAR             9200      .1      .0      *    57.1    39.5   145 
 GRAVE SPRINGS            8550      .0      -M      *    23.8    21.4   111 
 KIRWIN                   9550      .0      .0   100*    30.9    22.7   136 
 LOST CREEK               8080      -M      .0      *      -M    23.7      *
 MARQUETTE                8760      .0      .0   100*    28.8    23.0   125 
 MIDDLE POWDER            7760      .1      .0      *    31.0    23.3   133 
 OWL CREEK                8975      .0      .0   100*    18.2    15.1   121 
 POWDER RIVER PASS        9480      .1      .0      *    33.5    23.1   145 
 SHELL CREEK              9580      .1      .0      *    27.9    25.6   109 
 SYLVAN LAKE              8420      .0      .0   100*    48.8    33.3   147 
 SYLVAN ROAD              8120      .0      .0   100*    38.0    28.6   133 
 TIMBER CREEK             7950      .3      .0      *    21.9    18.4   119 
 YOUNTS PEAK              8350      .0      .0   100*    40.6    27.9   146 
                                                -----                  -----
                Basin wide percent of average       *                   131 


SHOSHONE RIVER

 BLACKWATER               9780      .1      .0      *    46.1    32.5   142 
 EVENING STAR             9200      .1      .0      *    57.1    39.5   145 
 KIRWIN                   9550      .0      .0   100*    30.9    22.7   136 
 MARQUETTE                8760      .0      .0   100*    28.8    23.0   125 
 SYLVAN LAKE              8420      .0      .0   100*    48.8    33.3   147 
 SYLVAN ROAD              8120      .0      .0   100*    38.0    28.6   133 
 YOUNTS PEAK              8350      .0      .0   100*    40.6    27.9   146 
                                                -----                  -----
                Basin wide percent of average       *                   140 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .2      .0      *    23.8    18.3   130 
 BONE SPRINGS DIV         9350      .3      .0      *    32.9    28.4   116 
 BURGESS JUNCTION         7880      .2      .0      *    28.7    22.6   127 
 CLOUD PEAK RESERVOIR     9860      .0      .0   100*    35.1    27.2   129 
 DOME LAKE                8880      .0      .0   100*    31.3    25.1   125 
 GRAVE SPRINGS            8550      .0      -M      *    23.8    21.4   111 
 HANSEN SAWMILL           8760      .0      .0   100*    25.3    18.2   139 
 LOST CREEK               8080      -M      .0      *      -M    23.7      *
 MIDDLE POWDER            7760      .1      .0      *    31.0    23.3   133 
 POWDER RIVER PASS        9480      .1      .0      *    33.5    23.1   145 
 SUCKER CREEK             8880      .0      .0   100*    32.4    26.1   124 
 TIE CREEK                6870      .2      -M      *    33.3    21.7   153 
                                                -----                  -----
                Basin wide percent of average       *                   130 


BELLE FOURCHE

 BLIND PARK               6890      .0      .0   100*    30.7    25.6   120 
 NORTH RAPID CREEK        6130      .1      -M      *    35.5      -M      *
 WARREN PEAK              6520      .0      .0   100*    34.2    19.5   175 
                                                -----                  -----
                Basin wide percent of average       *                   144 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      .0      .0   100*    46.4    34.9   133 
 DIVIDE PEAK              8800      .0      .0   100*    35.9    34.4   104 
 ELK RIVER                8700      .1      .0      *    38.1    28.5   134 
 JOE WRIGHT              10120      .0      .0   100*    44.1    41.7   106 
 NORTH FRENCH CREEK      10100      -M      .0      *    45.3    37.1   122 
 OLD BATTLE              10000      .0      .0   100*    54.3    44.6   122 
 SOUTH BRUSH CREEK        8400      .0      .0   100*    28.6    28.3   101 
 TOWER                   10500      .2      .0      *    69.9    54.8   128 
 WEBBER SPRINGS           9200      .0      .0   100*    47.6    38.1   125 
 WILLOW CREEK PASS        9540      .1      .0      *    28.9    23.3   124 
                                                -----                  -----
                Basin wide percent of average       *                   120 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      .0      .0   100*    43.2    31.6   137 
 CASPER MTN.              7900      .0      .0   100*    32.1    27.7   116 
 CHRISTINA LAKE           9980      -M      .0      *      -M    28.3      *
 DEADMAN HILL            10220      .0      .0   100*    31.5    30.0   105 
 LAPRELE CREEK            8320      .0      .0   100*    25.3    23.0   110 
 RENO HILL                8400      .0      .0   100*    32.0    29.0   110 
 ROACH                    9700      .0      .0   100*    34.6    35.1    99 
 SAND LAKE               10080      .0      .0   100*    45.0    32.7   138 
 SOUTH PASS               9040      -M      .0      *    33.9    28.6   119 
 WINDY PEAK               7840      .1      .0      *    22.9    20.4   112 
                                                -----                  -----
                Basin wide percent of average       *                   116 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .4      .0      *    19.4    23.5    83 
 DIVIDE PEAK              8800      .0      .0   100*    35.9    34.4   104 
 OLD BATTLE              10000      .0      .0   100*    54.3    44.6   122 
 SANDSTONE RS             8150      .0      .0   100*    31.7    29.8   106 
 WHISKEY PARK             8950      .0      .0   100*    48.9    42.2   116 
                                                -----                  -----
                Basin wide percent of average       *                   109 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100      .3      .0      *      -M    24.2      *
 BLIND BULL SUM           8650      .0      .0   100*    47.8    32.9   145 
 EAST RIM DIVIDE          7930      .1      .0      *    27.3    22.6   121 
 ELKHART PARK G.S.        9400      .4      .0      *      -M    23.8      *
 GROS VENTRE SUMMIT       8775      .0      .0   100*    32.2    23.7   136 
 KENDALL R.S.             7740      .0      .0   100*    34.0    23.1   147 
 LOOMIS PARK              8240      .0      .0   100*    39.6    28.0   141 
 NEW FORK LAKE            8340      .2      .0      *      -M    21.5      *
 SNIDER BASIN             8250      .0      .0   100*    26.2    22.6   116 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    44.9    37.7   119 
 TRIPLE PEAK              8500      .0      .0   100*    53.8    44.0   122 
                                                -----                  -----
                Basin wide percent of average       *                   130 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0   100*    24.2    19.9   122 
 HEWINTA                  9500      .2      .0      *    25.0    23.6   106 
 HICKERSON PARK           9150      .0      .0   100*    18.3    19.8    92 
 HOLE-IN-ROCK             9150      .0      .0   100*    19.1    19.8    96 
 INDIAN CREEK             9425      .0      .0   100*    42.9    36.5   118 
 KELLEY R.S.              8180      .0      .0   100*    40.6    27.9   146 
 STEEL CREEK PARK        10100      .0      .0   100*    27.2    27.3   100 
                                                -----                  -----
                Basin wide percent of average       *                   113 


UPPER BEAR RIVER

 BUG LAKE                 7950      .2      .0      *    42.0    27.6   152 
 HAYDEN FORK              9400      .0      .0   100*    36.2    30.9   117 
 KELLEY R.S.              8180      .0      .0   100*    40.6    27.9   146 
 LILY LAKE                9050      .0      .0   100*    29.9    25.4   118 
 MONTE CRISTO             8960      .0      .0   100*    47.8    37.5   127 
 SALT RIVER SUMMIT        7600      .1      .0      *    35.4    25.1   141 
 TRIAL LAKE               9960      .2      .0      *    46.4    36.5   127 
                                                -----                  -----
                Basin wide percent of average       *                   132 

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


-M = Missing data
 * = Data may not provide a valid measure of conditions.
 
     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.