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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 FRIDAY: JULY 11 , 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      *    44.8    30.0   149 
 COTTONWOOD CREEK         7600      .0      .0   100*    45.9    33.4   137 
 GRANITE CREEK            6770      .0      .0   100*    39.9    32.7   122 
 GRASSY LAKE              7265      .0      .0   100*    70.2    49.7   141 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    27.9    22.1   126 
 LEWIS LAKE DIVIDE        7860      .4      .0      *    70.3    50.5   139 
 PHILLIPS BENCH           8200      .0      .0   100*    58.0    39.8   146 
 SALT RIVER SUMMIT        7600      .0      .0   100*    32.0    23.5   136 
 SNAKE RIVER STATION      6920      .0      .0   100*    47.0    34.9   135 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    41.8    36.1   116 
 THUMB DIVIDE             7980      .0      .0   100*    43.2    28.1   154 
 TOGWOTEE PASS            9580      .2      .0      *    45.0    37.9   119 
 TWO OCEAN PLATEAU        9360      -M      .0      *    56.4    41.4   136 
 WILLOW CREEK             8450      .0      .0   100*    62.3    42.9   145 
                                                -----                  -----
                Basin wide percent of average       *                   136 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      .2      .5    40*    41.2    28.2   146 
 BLACK BEAR               7950      -M      .3      *    83.2    55.1   151 
 CANYON                   7940      .3      .0      *    33.4    22.1   151 
 FISHER CREEK             9100      .8     1.7    47*    66.0    51.8   127 
 MADISON PLATEAU          7750      .1      .0      *    50.5    36.8   137 
 NORTHEAST ENTRANCE       7350      .1      .0      *    30.5    19.7   155 
 PARKER PEAK              9400      .2     1.5    13*    34.0    25.4   134 
 SYLVAN LAKE              8420      .0      .0   100*    45.0    30.3   149 
 THUMB DIVIDE             7980      .0      .0   100*    43.2    28.1   154 
 TWO OCEAN PLATEAU        9360      -M      .0      *    56.4    41.4   136 
 WHISKEY CREEK            6800      .4      .0      *    39.8    31.2   128 
 WHITE MILL               8700      .8      .6   133*    44.6    40.6   110 
 WOLVERINE                7650      .3      .0      *    23.7    21.2   112 
                                                -----                  -----
                Basin wide percent of average     47*                   137 


WIND RIVER

 BURROUGHS CREEK          8750      .0      .0   100*    33.6    24.7   136 
 CHRISTINA LAKE           9980      .0      .0   100*    31.4    26.3   119 
 COLD SPRINGS             9630      .2      .0      *    22.0    18.7   118 
 HOBBS PARK              10100      .0      .0   100*    23.6    23.7   100 
 LITTLE WARM              9620      .3      .0      *    29.4    21.8   135 
 SOUTH PASS               9040      .2      .0      *    31.8    26.8   119 
 ST. LAWRENCE ALT         8620      .0      .0   100*    20.2    17.2   117 
 TOGWOTEE PASS            9580      .2      .0      *    45.0    37.9   119 
 TOWNSEND CREEK           8700      .0      .0   100*    22.0    21.3   103 
                                                -----                  -----
                Basin wide percent of average       *                   119 


BIGHORN BASIN

 BALD MTN.                9375      .1      .2    50*    31.7    28.3   112 
 BEAR TRAP MEADOW         7900      .1      .0      *    19.0    16.8   113 
 BLACKWATER               9780      .1      .8    12*    40.2    28.8   140 
 BONE SPRINGS DIV         9350      .1      .0      *    28.4    25.9   110 
 EVENING STAR             9200      .1     2.0     5*    52.7    35.3   149 
 GRAVE SPRINGS            8550      .0      -M      *    19.0    19.7    96 
 KIRWIN                   9550      .2      .0      *    26.8    19.5   137 
 LOST CREEK               8080      -M      .0      *      -M    21.9      *
 MARQUETTE                8760      .0      .0   100*    23.4    20.6   114 
 MIDDLE POWDER            7760      .0      .0   100*    25.8    21.6   119 
 OWL CREEK                8975      .2      .0      *    15.0    13.2   114 
 POWDER RIVER PASS        9480      .1      .0      *    28.6    21.5   133 
 SHELL CREEK              9580      .0      .0   100*    24.7    23.7   104 
 SYLVAN LAKE              8420      .0      .0   100*    45.0    30.3   149 
 SYLVAN ROAD              8120      .3      .0      *    35.2    25.7   137 
 TIMBER CREEK             7950      .3      .0      *    17.7    16.4   108 
 YOUNTS PEAK              8350      .6      .0      *    35.9    25.5   141 
                                                -----                  -----
                Basin wide percent of average     10*                   126 


SHOSHONE RIVER

 BLACKWATER               9780      .1      .8    12*    40.2    28.8   140 
 EVENING STAR             9200      .1     2.0     5*    52.7    35.3   149 
 KIRWIN                   9550      .2      .0      *    26.8    19.5   137 
 MARQUETTE                8760      .0      .0   100*    23.4    20.6   114 
 SYLVAN LAKE              8420      .0      .0   100*    45.0    30.3   149 
 SYLVAN ROAD              8120      .3      .0      *    35.2    25.7   137 
 YOUNTS PEAK              8350      .6      .0      *    35.9    25.5   141 
                                                -----                  -----
                Basin wide percent of average      7*                   140 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .1      .0      *    19.0    16.8   113 
 BONE SPRINGS DIV         9350      .1      .0      *    28.4    25.9   110 
 BURGESS JUNCTION         7880      .0      .0   100*    23.8    20.7   115 
 CLOUD PEAK RESERVOIR     9860      .1      .0      *    28.5    25.1   114 
 DOME LAKE                8880      .1      .0      *    25.8    23.2   111 
 GRAVE SPRINGS            8550      .0      -M      *    19.0    19.7    96 
 HANSEN SAWMILL           8760      .0      .0   100*    20.7    16.5   125 
 LOST CREEK               8080      -M      .0      *      -M    21.9      *
 MIDDLE POWDER            7760      .0      .0   100*    25.8    21.6   119 
 POWDER RIVER PASS        9480      .1      .0      *    28.6    21.5   133 
 SUCKER CREEK             8880      .0      .0   100*    28.6    24.1   119 
 TIE CREEK                6870      .0      -M      *    26.9    19.9   135 
                                                -----                  -----
                Basin wide percent of average       *                   117 


BELLE FOURCHE

 BLIND PARK               6890      .3      .0      *    24.9    22.9   109 
 NORTH RAPID CREEK        6130      .0      -M      *    24.5      -M      *
 WARREN PEAK              6520      .1      .0      *    31.4    17.3   182 
                                                -----                  -----
                Basin wide percent of average       *                   140 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      .0      .0   100*    43.1    32.8   131 
 DIVIDE PEAK              8800      .0      .0   100*    33.2    32.6   102 
 ELK RIVER                8700      .1      .0      *    35.7    26.7   134 
 JOE WRIGHT              10120      .0      .4     0*    44.0    38.3   115 
 NORTH FRENCH CREEK      10100      .0      .0   100*    41.1    34.9   118 
 OLD BATTLE              10000      .0      .7     0*    50.5    42.5   119 
 SOUTH BRUSH CREEK        8400      .0      .0   100*    25.9    26.3    98 
 TOWER                   10500     1.6     2.9    55*    66.2    52.2   127 
 WEBBER SPRINGS           9200      .0      .0   100*    44.8    36.2   124 
 WILLOW CREEK PASS        9540      .1      .0      *    24.4    21.0   116 
                                                -----                  -----
                Basin wide percent of average     40*                   119 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      .1      .0      *    38.5    29.5   131 
 CASPER MTN.              7900      .0      .0   100*    30.8    26.0   118 
 CHRISTINA LAKE           9980      .0      .0   100*    31.4    26.3   119 
 DEADMAN HILL            10220      .3      .0      *    28.7    27.5   104 
 LAPRELE CREEK            8320      .0      .0   100*    22.4    21.1   106 
 RENO HILL                8400      .1      .0      *    31.0    27.3   114 
 ROACH                    9700      .0      .0   100*    31.4    32.9    95 
 SAND LAKE               10080      .0      .8     0*    41.6    31.3   133 
 SOUTH PASS               9040      .2      .0      *    31.8    26.8   119 
 WINDY PEAK               7840      .1      .0      *    18.5    18.6    99 
                                                -----                  -----
                Basin wide percent of average      0*                   115 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .5      .0      *    17.3    22.2    78 
 DIVIDE PEAK              8800      .0      .0   100*    33.2    32.6   102 
 OLD BATTLE              10000      .0      .7     0*    50.5    42.5   119 
 SANDSTONE RS             8150      .0      .0   100*    29.0    27.6   105 
 WHISKEY PARK             8950      .0      .0   100*    46.1    40.1   115 
                                                -----                  -----
                Basin wide percent of average      0*                   107 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100      .0      .0   100*    22.7    22.6   100 
 BLIND BULL SUM           8650      .0      .0   100*    42.6    31.4   136 
 EAST RIM DIVIDE          7930      .0      .0   100*    23.5    21.1   111 
 ELKHART PARK G.S.        9400      .0      .0   100*    26.6    22.2   120 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    27.9    22.1   126 
 KENDALL R.S.             7740      .1      .0      *    31.0    21.6   144 
 LOOMIS PARK              8240      .0      .0   100*    35.8    26.2   137 
 NEW FORK LAKE            8340      .0      .0   100*    20.5    20.1   102 
 SNIDER BASIN             8250      .0      .0   100*    23.7    21.1   112 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    41.8    36.1   116 
 TRIPLE PEAK              8500      .0      .0   100*    49.9    41.8   119 
                                                -----                  -----
                Basin wide percent of average       *                   121 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0   100*    21.7    18.6   117 
 HEWINTA                  9500      .0      .0   100*      -M    21.6      *
 HICKERSON PARK           9150      .0      .0   100*      -M    17.8      *
 HOLE-IN-ROCK             9150      .0      .0   100*      -M    17.8      *
 INDIAN CREEK             9425      .0      .0   100*    40.1    34.7   116 
 KELLEY R.S.              8180      .0      .0   100*    37.2    26.1   143 
 STEEL CREEK PARK        10100      .0      .0   100*      -M    24.2      *
                                                -----                  -----
                Basin wide percent of average       *                   125*


UPPER BEAR RIVER

 BUG LAKE                 7950      .1      .0      *    38.2    26.6   144 
 HAYDEN FORK              9400      .0      .0   100*      -M    28.9      *
 KELLEY R.S.              8180      .0      .0   100*    37.2    26.1   143 
 LILY LAKE                9050      .0      .0   100*    27.3    23.6   116 
 MONTE CRISTO             8960      -M      .0      *    43.8    36.0   122 
 SALT RIVER SUMMIT        7600      .0      .0   100*    32.0    23.5   136 
 TRIAL LAKE               9960      .0      .0   100*    43.1    34.3   126 
                                                -----                  -----
                Basin wide percent of average       *                   130 

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


-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.