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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 TUESDAY: AUGUST 10 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .0      .0   100*    35.3    31.5   113 
 COTTONWOOD CREEK         7600      .2      .0      *    42.5    35.0   122 
 GRANITE CREEK            6770      .3      .0      *    32.3    34.7    94 
 GRASSY LAKE              7265      .0      .0   100*    58.0    52.0   112 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    24.3    23.5   104 
 LEWIS LAKE DIVIDE        7860      .0      .0   100*    52.7    52.8   100 
 PHILLIPS BENCH           8200      .0      .0   100*      -M    41.5      *
 SALT RIVER SUMMIT        7600      .0      .0   100*    28.0    25.0   113 
 SNAKE RIVER STATION      6920      .0      .0   100*    37.5    36.5   103 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    40.9    37.5   109 
 THUMB DIVIDE             7980      .0      .0   100*    32.9    29.5   112 
 TOGWOTEE PASS            9580      .0      .0   100*    40.3    39.5   102 
 TWO OCEAN PLATEAU        9360      .0      .0   100*    44.3    43.3   103 
 WILLOW CREEK             8450      .0      .0   100*    55.5    44.8   124 
                                                -----                  -----
                Basin wide percent of average       *                   109 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      .0      .0   100*    34.5    30.2   115 
 BLACK BEAR               7950      .0      .0   100*    67.0    57.3   118 
 CANYON                   7940      .0      .0   100*    28.0    24.0   117 
 FISHER CREEK             9100      .0      .0   100*    52.0    54.5    96 
 MADISON PLATEAU          7750      -M      .0      *      -M    38.8      *
 NORTHEAST ENTRANCE       7350      .0      .0   100*    22.7    21.8   105 
 PARKER PEAK              9400      .0      .0   100*    31.9    27.8   115 
 SYLVAN LAKE              8420      .0      .0   100*      -M    32.9      *
 THUMB DIVIDE             7980      .0      .0   100*    32.9    29.5   112 
 TWO OCEAN PLATEAU        9360      .0      .0   100*    44.3    43.3   103 
 WHISKEY CREEK            6800      .0      .0   100*    35.9    33.2   109 
 WHITE MILL               8700      .0      .0   100*    35.8    43.0    84 
 WOLVERINE                7650      .0      .0   100*    20.3    23.5    87 
                                                -----                  -----
                Basin wide percent of average       *                   105 


WIND RIVER

 BURROUGHS CREEK          8750      .4      .0      *    28.9    26.4   110 
 COLD SPRINGS             9630      .0      .0   100*    28.0    20.3   139 
 DEER PARK                9700      .2      -M      *    39.5      -M      *
 HOBBS PARK              10100      .0      .0   100*    33.0    25.5   130 
 LITTLE WARM              9620      .2      .0      *    29.8    23.8   126 
 SOUTH PASS               9040      -M      .0      *      -M    28.5      *
 ST. LAWRENCE ALT         8620      .2      .0      *    24.5    18.8   131 
 TOGWOTEE PASS            9580      .0      .0   100*    40.3    39.5   102 
 TOWNSEND CREEK           8700      .2      .0      *    30.2    22.8   133 
                                                -----                  -----
                Basin wide percent of average       *                   122 


BIGHORN BASIN

 BALD MTN.                9375      .0      .0   100*    30.5    30.0   102 
 BEAR TRAP MEADOW         7900      .0      .0   100*      -M    18.2      *
 BLACKWATER               9780      .0      .0   100*    37.0    31.9   117 
 BONE SPRINGS DIV         9350      .0      .0   100*    30.8    28.0   110 
 EVENING STAR             9200      .0      .0   100*    48.0    38.8   125 
 GRAVE SPRINGS            8550      .3      .0      *    22.7    21.3   107 
 KIRWIN                   9550      .0      .0   100*    27.0    22.4   121 
 MARQUETTE                8760      .0      .0   100*    27.2    22.7   120 
 MIDDLE POWDER            7760      .2      .0      *    28.8    23.0   125 
 OWL CREEK                8975      .0      .0   100*    21.0    15.0   141 
 POWDER RIVER PASS        9480      .0      .0   100*    27.8    22.9   122 
 SHELL CREEK              9580      .0      .0   100*    27.5    25.4   109 
 SYLVAN LAKE              8420      .0      .0   100*      -M    32.9      *
 SYLVAN ROAD              8120      .0      .0   100*    27.8    28.2    99 
 TIMBER CREEK             7950      .2      .0      *    21.2    18.2   117 
 YOUNTS PEAK              8350      .0      .0   100*    29.3    27.5   107 
                                                -----                  -----
                Basin wide percent of average       *                   115 


SHOSHONE RIVER

 BLACKWATER               9780      .0      .0   100*    37.0    31.9   117 
 EVENING STAR             9200      .0      .0   100*    48.0    38.8   125 
 KIRWIN                   9550      .0      .0   100*    27.0    22.4   121 
 MARQUETTE                8760      .0      .0   100*    27.2    22.7   120 
 SYLVAN LAKE              8420      .0      .0   100*      -M    32.9      *
 SYLVAN ROAD              8120      .0      .0   100*    27.8    28.2    99 
 YOUNTS PEAK              8350      .0      .0   100*    29.3    27.5   107 
                                                -----                  -----
                Basin wide percent of average       *                   115 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .0      .0   100*      -M    18.2      *
 BIG GOOSE                7990      .0      -M      *    23.0      -M      *
 BONE SPRINGS DIV         9350      .0      .0   100*    30.8    28.0   110 
 BURGESS JUNCTION         7880      .2      .0      *    22.4    22.5   100 
 CLOUD PEAK RESERVOIR     9860      .0      .0   100*    30.0    27.0   112 
 DOME LAKE                8880      .0      .0   100*    21.9    24.9    88 
 GRAVE SPRINGS            8550      .3      .0      *    22.7    21.3   107 
 HANSEN SAWMILL           8760      .3      .0      *    21.0    18.0   118 
 MIDDLE POWDER            7760      .2      .0      *    28.8    23.0   125 
 POWDER RIVER PASS        9480      .0      .0   100*    27.8    22.9   122 
 SUCKER CREEK             8880      .7      .0      *    27.8    26.0   107 
 TIE CREEK                6870      .2      -M      *    24.8    21.5   115 
                                                -----                  -----
                Basin wide percent of average       *                   110 


BELLE FOURCHE

 BLIND PARK               6890      .2      .0      *    30.5    25.3   121 
 NORTH RAPID CREEK        6130      .0      -M      *    28.7      -M      *
 WARREN PEAK              6520      .2      .0      *    29.3    19.3   153 
                                                -----                  -----
                Basin wide percent of average       *                   135 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      .2      .0      *    34.9    34.7   101 
 DIVIDE PEAK              8800      .2      .0      *    38.7    34.2   114 
 ELK RIVER                8700      .0      .0   100*    35.4    28.3   126 
 JOE WRIGHT              10120      .2      .0      *    41.9    41.3   102 
 NORTH FRENCH CREEK      10100      .0      .0   100*    42.5    36.9   116 
 OLD BATTLE              10000      .0      .0   100*    55.5    44.3   126 
 SOUTH BRUSH CREEK        8400     5.5      .0      *    41.5    28.0   149 
 TOWER                   10500      .2      .0      *    57.3    54.4   106 
 WEBBER SPRINGS           9200      .0      .0   100*    41.4    38.0   109 
 WILLOW CREEK PASS        9540      .2      .0      *    23.8    23.0   104 
                                                -----                  -----
                Basin wide percent of average       *                   114 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     3.0      .0      *    38.0    31.3   122 
 CASPER MTN.              7900      .2      .0      *    28.0    27.5   102 
 DEADMAN HILL            10220      .2      .0      *    29.8    29.7   101 
 DEER PARK                9700      .2      -M      *    39.5      -M      *
 LAPRELE CREEK            8320      .3      .0      *    27.7    22.9   122 
 RENO HILL                8400      .0      .0   100*    31.5    28.9   110 
 ROACH                    9700      .0      .0   100*    32.7    34.9    94 
 SAND LAKE               10080      .0      .0   100*    46.5    32.5   144 
 SOUTH PASS               9040      -M      .0      *      -M    28.5      *
 WINDY PEAK               7840      .2      .0      *    24.7    20.4   122 
                                                -----                  -----
                Basin wide percent of average       *                   114 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100*    26.7    23.4   115 
 DIVIDE PEAK              8800      .2      .0      *    38.7    34.2   114 
 OLD BATTLE              10000      .0      .0   100*    55.5    44.3   126 
 SANDSTONE RS             8150      .0      .0   100*    30.9    29.5   105 
 WHISKEY PARK             8950      .0      .0   100*    44.0    42.0   105 
                                                -----                  -----
                Basin wide percent of average       *                   114 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100      .0      .0   100*    24.0    24.0   100 
 BLIND BULL SUM           8650      .0      .0   100*    33.2    32.7   102 
 EAST RIM DIVIDE          7930      .0      .0   100*    21.9    22.4    98 
 ELKHART PARK G.S.        9400      .2      .0      *    25.3    23.5   108 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    24.3    23.5   104 
 KENDALL R.S.             7740      .0      .0   100*    24.5    22.9   108 
 LOOMIS PARK              8240      .0      .0   100*    29.0    27.8   105 
 NEW FORK LAKE            8340      .0      .0   100*    21.5    21.4   101 
 SNIDER BASIN             8250      .0      .0   100*    27.0    22.4   121 
 SPRING CREEK DIVIDE      9000      .0      .0   100*    40.9    37.5   109 
 TRIPLE PEAK              8500      .0      .0   100*    43.8    43.7   101 
                                                -----                  -----
                Basin wide percent of average       *                   105 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0   100*    22.0    19.8   112 
 HEWINTA                  9500      .0      .0   100*    24.9    23.4   107 
 HICKERSON PARK           9150      .4      .0      *    20.0    19.5   103 
 HOLE-IN-ROCK             9150      .0      .0   100*    20.5    19.5   105 
 INDIAN CREEK             9425      .0      .0   100*    39.4    36.3   109 
 KELLEY R.S.              8180      .0      .0   100*    29.2    27.7   106 
 STEEL CREEK PARK        10100      .0      .0   100*    30.7    26.9   115 
                                                -----                  -----
                Basin wide percent of average       *                   108 


UPPER BEAR RIVER

 BUG LAKE                 7950      .0      .0   100*      -M    27.5      *
 HAYDEN FORK              9400      .0      .0   100*    34.2    30.7   112 
 KELLEY R.S.              8180      .0      .0   100*    29.2    27.7   106 
 LILY LAKE                9050      .3      .0      *    30.3    25.2   121 
 MONTE CRISTO             8960      .0      .0   100*    43.2    37.3   116 
 SALT RIVER SUMMIT        7600      .0      .0   100*    28.0    25.0   113 
 TRIAL LAKE               9960      .0      .0   100*    36.9    36.2   102 
                                                -----                  -----
                Basin wide percent of average       *                   111 

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


-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.