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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: SEPTEMBER 5 , 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*    37.4    32.7   115 
 COTTONWOOD CREEK         7600      .2      .0      *    44.8    36.2   124 
 GRANITE CREEK            6770      .2      .0      *    34.4    36.4    95 
 GRASSY LAKE              7265      .0      .0   100*    60.5    53.8   113 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    26.0    24.7   106 
 LEWIS LAKE DIVIDE        7860      .0      .0   100*    55.0    54.7   101 
 PHILLIPS BENCH           8200      .2      .0      *    45.3    43.0   106 
 SALT RIVER SUMMIT        7600      .2      .0      *    31.0    26.2   119 
 SNAKE RIVER STATION      6920      .0      .0   100*    39.9    37.8   106 
 SPRING CREEK DIVIDE      9000      .3      .0      *    43.4    38.8   112 
 THUMB DIVIDE             7980      .0      .0   100*    35.4    30.5   116 
 TOGWOTEE PASS            9580      .0      .0   100*    41.3    41.0   101 
 TWO OCEAN PLATEAU        9360      .3      .0      *    47.2    45.0   105 
 WILLOW CREEK             8450      .0      .0   100*    58.8    46.4   127 
                                                -----                  -----
                Basin wide percent of average       *                   110 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      .0      .0   100*    36.9    31.7   117 
 BLACK BEAR               7950      .0      .0   100*    71.4    59.3   121 
 CANYON                   7940      .0      .0   100*    30.4    25.9   118 
 FISHER CREEK             9100      .0      .0   100*    55.7    56.5    99 
 MADISON PLATEAU          7750      .0      .0   100*    47.0    40.7   116 
 NORTHEAST ENTRANCE       7350      .0      .0   100*    25.9    23.4   111 
 PARKER PEAK              9400      .2      .0      *    34.5    29.7   117 
 SYLVAN LAKE              8420      .0      .0   100*    44.2    35.0   127 
 THUMB DIVIDE             7980      .0      .0   100*    35.4    30.5   116 
 TWO OCEAN PLATEAU        9360      .3      .0      *    47.2    45.0   105 
 WHISKEY CREEK            6800      .3      .0      *    38.9    34.8   112 
 WHITE MILL               8700      .0      .0   100*    39.2    45.0    88 
 WOLVERINE                7650      .0      .0   100*    22.5    25.0    90 
                                                -----                  -----
                Basin wide percent of average       *                   110 


WIND RIVER

 BURROUGHS CREEK          8750      .4      .0      *    31.5    28.0   113 
 COLD SPRINGS             9630      .0      .0   100*    30.0    21.4   141 
 DEER PARK                9700      .4      -M      *    42.3      -M      *
 HOBBS PARK              10100      .0      .0   100*    34.3    26.9   128 
 LITTLE WARM              9620      .2      .0      *    31.8    25.3   126 
 SOUTH PASS               9040      -M      .0      *      -M    29.5      *
 ST. LAWRENCE ALT         8620      .3      .0      *    25.5    19.7   131 
 TOGWOTEE PASS            9580      .0      .0   100*    41.3    41.0   101 
 TOWNSEND CREEK           8700      .3      .0      *    31.4    23.9   132 
                                                -----                  -----
                Basin wide percent of average       *                   122 


BIGHORN BASIN

 BALD MTN.                9375      .2      .0      *    32.3    31.2   104 
 BEAR TRAP MEADOW         7900      -M      .0      *      -M    19.3      *
 BLACKWATER               9780      .0      .0   100*    39.9    34.7   116 
 BONE SPRINGS DIV         9350      -M      .0      *    32.9    29.9   111 
 EVENING STAR             9200      .0      .0   100*    51.2    41.9   123 
 GRAVE SPRINGS            8550      .2      .0      *    24.2    22.5   108 
 KIRWIN                   9550      .2      .0      *    29.5    24.0   123 
 MARQUETTE                8760      -M      .0      *    31.2    24.3   129 
 MIDDLE POWDER            7760      .3      .0      *    32.0    24.3   132 
 OWL CREEK                8975      .5      .0      *    23.0    16.0   145 
 POWDER RIVER PASS        9480      .2      .0      *    30.0    24.0   125 
 SHELL CREEK              9580      .3      .0      *    29.9    26.7   113 
 SYLVAN LAKE              8420      .0      .0   100*    44.2    35.0   127 
 SYLVAN ROAD              8120      .0      .0   100*    30.4    30.3   101 
 TIMBER CREEK             7950      .3      .0      *    25.2    19.5   129 
 YOUNTS PEAK              8350      .0      .0   100*    32.9    29.4   112 
                                                -----                  -----
                Basin wide percent of average       *                   119 


SHOSHONE RIVER

 BLACKWATER               9780      .0      .0   100*    39.9    34.7   116 
 EVENING STAR             9200      .0      .0   100*    51.2    41.9   123 
 KIRWIN                   9550      .2      .0      *    29.5    24.0   123 
 MARQUETTE                8760      -M      .0      *    31.2    24.3   129 
 SYLVAN LAKE              8420      .0      .0   100*    44.2    35.0   127 
 SYLVAN ROAD              8120      .0      .0   100*    30.4    30.3   101 
 YOUNTS PEAK              8350      .0      .0   100*    32.9    29.4   112 
                                                -----                  -----
                Basin wide percent of average       *                   119 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      -M      .0      *      -M    19.3      *
 BIG GOOSE                7990      .0      -M      *    24.7      -M      *
 BONE SPRINGS DIV         9350      -M      .0      *    32.9    29.9   111 
 BURGESS JUNCTION         7880      .2      .0      *    24.2    23.5   103 
 CLOUD PEAK RESERVOIR     9860      .2      .0      *    32.7    28.4   116 
 DOME LAKE                8880      .2      .0      *    24.0    26.2    92 
 GRAVE SPRINGS            8550      .2      .0      *    24.2    22.5   108 
 HANSEN SAWMILL           8760      .4      .0      *    23.0    19.3   120 
 MIDDLE POWDER            7760      .3      .0      *    32.0    24.3   132 
 POWDER RIVER PASS        9480      .2      .0      *    30.0    24.0   125 
 SUCKER CREEK             8880      .8      .0      *    30.8    27.3   113 
 TIE CREEK                6870      .4      -M      *    27.5    22.5   122 
                                                -----                  -----
                Basin wide percent of average       *                   114 


BELLE FOURCHE

 BLIND PARK               6890      .4      .0      *    32.5    27.0   121 
 NORTH RAPID CREEK        6130      .3      -M      *    29.9      -M      *
 WARREN PEAK              6520      .2      .0      *    31.0    20.8   150 
                                                -----                  -----
                Basin wide percent of average       *                   133 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      .2      .0      *    36.0    36.0   100 
 DIVIDE PEAK              8800      .0      .0   100*    41.0    35.7   115 
 ELK RIVER                8700      .0      .0   100*    38.0    29.5   129 
 JOE WRIGHT              10120      .0      .0   100*    43.2    43.5   100 
 NORTH FRENCH CREEK      10100      .3      .0      *    45.4    38.5   118 
 OLD BATTLE              10000      .0      .0   100*    58.0    45.9   127 
 SOUTH BRUSH CREEK        8400      .0      .0   100*    33.0    29.5   113 
 TOWER                   10500      .0      .0   100*      -M    56.5      *
 WEBBER SPRINGS           9200      .0      .0   100*    43.3    39.3   111 
 WILLOW CREEK PASS        9540      .0      .0   100*    25.2    24.7   103 
                                                -----                  -----
                Basin wide percent of average       *                   113 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      .3      .0      *    41.4    32.8   127 
 CASPER MTN.              7900      .2      .0      *    30.7    28.7   107 
 DEADMAN HILL            10220      .0      .0   100*    31.0    31.2   100 
 DEER PARK                9700      .4      -M      *    42.3      -M      *
 LAPRELE CREEK            8320      .2      .0      *    28.7    24.0   120 
 RENO HILL                8400      .2      .0      *    32.4    29.7   110 
 ROACH                    9700      .0      .0   100*    33.5    36.0    93 
 SAND LAKE               10080      .0      .0   100*    48.0    33.8   143 
 SOUTH PASS               9040      -M      .0      *      -M    29.5      *
 WINDY PEAK               7840      .0      .0   100*    26.3    21.0   125 
                                                -----                  -----
                Basin wide percent of average       *                   115 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100*    27.0    24.5   111 
 DIVIDE PEAK              8800      .0      .0   100*    41.0    35.7   115 
 OLD BATTLE              10000      .0      .0   100*    58.0    45.9   127 
 SANDSTONE RS             8150      .0      .0   100*    32.8    31.4   105 
 WHISKEY PARK             8950      .0      .0   100*      -M    43.3      *
                                                -----                  -----
                Basin wide percent of average       *                   116 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100      .0      .0   100*    26.4    25.2   105 
 BLIND BULL SUM           8650      .4      .0      *    36.0    33.9   107 
 EAST RIM DIVIDE          7930      .4      .0      *    23.5    23.5   101 
 ELKHART PARK G.S.        9400      .5      .0      *    28.0    24.8   114 
 GROS VENTRE SUMMIT       8775      .0      .0   100*    26.0    24.7   106 
 KENDALL R.S.             7740      .0      .0   100*    26.9    24.0   112 
 LOOMIS PARK              8240      .2      .0      *    30.8    29.0   106 
 NEW FORK LAKE            8340      .0      .0   100*    23.8    22.4   107 
 SNIDER BASIN             8250      .0      .0   100*    28.8    23.5   123 
 SPRING CREEK DIVIDE      9000      .3      .0      *    43.4    38.8   112 
 TRIPLE PEAK              8500      .0      .0   100*    45.7    45.4   101 
                                                -----                  -----
                Basin wide percent of average       *                   108 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0   100*    24.3    20.7   118 
 HEWINTA                  9500      .0      .0   100*    27.0    24.7   110 
 HICKERSON PARK           9150      .5      .0      *    22.7    20.8   110 
 HOLE-IN-ROCK             9150      .0      .0   100*    23.0    20.8   112 
 INDIAN CREEK             9425      .5      .0      *    41.4    37.5   111 
 KELLEY R.S.              8180      .0      .0   100*    31.0    29.0   107 
 STEEL CREEK PARK        10100      .0      .0   100*    32.9    28.8   115 
                                                -----                  -----
                Basin wide percent of average       *                   112 


UPPER BEAR RIVER

 BUG LAKE                 7950      .2      .0      *    34.2    28.5   121 
 HAYDEN FORK              9400      .3      .0      *    36.4    31.9   115 
 KELLEY R.S.              8180      .0      .0   100*    31.0    29.0   107 
 LILY LAKE                9050      -M      .0      *    32.4    26.5   123 
 MONTE CRISTO             8960      .0      .0   100*    44.0    38.7   114 
 SALT RIVER SUMMIT        7600      .2      .0      *    31.0    26.2   119 
 TRIAL LAKE               9960      .0      .0   100*    39.5    38.0   104 
                                                -----                  -----
                Basin wide percent of average       *                   114 

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


-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.