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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 WEDNESDAY: FEBRUARY 17 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    19.1    14.3   134       -M    18.5      *
 COTTONWOOD CREEK         7600    18.2    16.7   109     21.0    20.2   104 
 GRANITE CREEK            6770    16.8    14.1   119     18.6    19.4    96 
 GRASSY LAKE              7265    32.5    29.8   109     32.0    29.9   107 
 GROS VENTRE SUMMIT       8775    12.6    11.9   106     12.4    13.1    95 
 LEWIS LAKE DIVIDE        7860    31.5    26.8   118     28.5    30.4    94 
 PHILLIPS BENCH           8200    25.1    22.3   113     23.4    24.0    98 
 SALT RIVER SUMMIT        7600    12.5    10.8   116     14.7    13.9   106 
 SNAKE RIVER STATION      6920      -M    14.7      *      -M    21.0      *
 SPRING CREEK DIVIDE      9000    22.2    21.1   105     22.2    22.1   100 
 THUMB DIVIDE             7980      -M    13.1      *      -M    17.3      *
 TOGWOTEE PASS            9580      -M    19.2      *    23.2    22.7   102 
 TWO OCEAN PLATEAU        9360    29.5    20.7   143     23.3    25.5    91 
 WILLOW CREEK             8450    25.5    24.1   106     29.4    26.1   113 
                                                -----                  -----
                Basin wide percent of average    115                    101 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    21.3    18.3   116     19.0    13.8   138 
 BLACK BEAR               7950    40.5    28.8   141       -M    30.6      *
 CANYON                   7940    15.1     9.7   156     15.8    11.2   141 
 FISHER CREEK             9100    32.4    27.7   117       -M    28.1      *
 MADISON PLATEAU          7750      -M    18.8      *    24.1    19.9   121 
 NORTHEAST ENTRANCE       7350     9.9     7.4   134     11.6     9.4   123 
 PARKER PEAK              9400    19.0    16.5   115       -M    12.0      *
 SYLVAN LAKE              8420    21.8    17.0   128     23.7    15.0   158 
 THUMB DIVIDE             7980      -M    13.1      *      -M    17.3      *
 TWO OCEAN PLATEAU        9360    29.5    20.7   143     23.3    25.5    91 
 WHISKEY CREEK            6800    16.9    13.0   130     19.4    16.5   118 
 WHITE MILL               8700    21.4    19.6   109     19.2    21.9    88 
 WOLVERINE                7650    12.1     9.2   132     11.0    10.1   109 
                                                -----                  -----
                Basin wide percent of average    128                    117 


WIND RIVER

 BURROUGHS CREEK          8750    14.2    12.1   117     15.4    12.8   120 
 COLD SPRINGS             9630     8.1     6.5   125      9.9     7.8   127 
 DEER PARK                9700    14.3      -M      *    18.7      -M      *
 HOBBS PARK              10100    14.4    11.2   129     13.4    10.3   130 
 LITTLE WARM              9620    11.4     8.3   137     12.5    10.0   125 
 SOUTH PASS               9040    15.2    12.9   118     16.4    12.5   131 
 ST. LAWRENCE ALT         8620     6.3     5.6   113      9.2     7.3   126 
 TOGWOTEE PASS            9580      -M    19.2      *    23.2    22.7   102 
 TOWNSEND CREEK           8700     8.4     7.2   117     11.0     8.9   124 
                                                -----                  -----
                Basin wide percent of average    122                    120 


BIGHORN BASIN

 BALD MTN.                9375    15.3    15.7    97     14.2    13.1   108 
 BEAR TRAP MEADOW         7900     5.5     5.5   100      7.8     5.9   132 
 BLACKWATER               9780    24.5    16.3   150     20.7    13.9   149 
 BONE SPRINGS DIV         9350    12.4    12.2   102     12.6    10.7   118 
 EVENING STAR             9200    27.7    20.7   134     27.7    17.4   159 
 GRAVE SPRINGS            8550     5.6     6.9    81      8.6     7.0   123 
 KIRWIN                   9550    10.5     7.4   142     12.2     7.8   156 
 MARQUETTE                8760     6.6     6.0   110      7.4     6.5   114 
 MIDDLE POWDER            7760     6.3     8.8    72     12.1     8.6   141 
 OWL CREEK                8975     5.3     3.3   161      5.9     4.4   134 
 POWDER RIVER PASS        9480     9.9     8.0   124     11.8     8.7   136 
 SHELL CREEK              9580    13.5    11.7   115     12.6     9.9   127 
 SYLVAN LAKE              8420    21.8    17.0   128     23.7    15.0   158 
 SYLVAN ROAD              8120    14.3    10.1   142     16.3    12.5   130 
 TIMBER CREEK             7950     4.5     4.4   102      6.3     4.7   134 
 YOUNTS PEAK              8350    17.6    13.7   128     15.5    12.8   121 
                                                -----                  -----
                Basin wide percent of average    120                    136 


SHOSHONE RIVER

 BLACKWATER               9780    24.5    16.3   150     20.7    13.9   149 
 EVENING STAR             9200    27.7    20.7   134     27.7    17.4   159 
 KIRWIN                   9550    10.5     7.4   142     12.2     7.8   156 
 MARQUETTE                8760     6.6     6.0   110      7.4     6.5   114 
 SYLVAN LAKE              8420    21.8    17.0   128     23.7    15.0   158 
 SYLVAN ROAD              8120    14.3    10.1   142     16.3    12.5   130 
 YOUNTS PEAK              8350    17.6    13.7   128     15.5    12.8   121 
                                                -----                  -----
                Basin wide percent of average    135                    144 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     5.5     5.5   100      7.8     5.9   132 
 BIG GOOSE                7990     4.7      -M      *     7.7      -M      *
 BONE SPRINGS DIV         9350    12.4    12.2   102     12.6    10.7   118 
 BURGESS JUNCTION         7880     6.3     8.8    72      8.2     8.0   102 
 CLOUD PEAK RESERVOIR     9860    11.4     9.8   116      9.8     9.4   104 
 DOME LAKE                8880     6.5    10.3    63      8.9     9.7    92 
 GRAVE SPRINGS            8550     5.6     6.9    81      8.6     7.0   123 
 HANSEN SAWMILL           8760     4.3     5.3    81      6.8     5.6   121 
 MIDDLE POWDER            7760     6.3     8.8    72     12.1     8.6   141 
 POWDER RIVER PASS        9480     9.9     8.0   124     11.8     8.7   136 
 SUCKER CREEK             8880     7.8     8.8    89     10.1     9.7   104 
 TIE CREEK                6870     2.6      -M      *     6.3     7.6    83 
                                                -----                  -----
                Basin wide percent of average     90                    113 


BELLE FOURCHE

 BLIND PARK               6890     5.6     8.3    67     12.6     7.0   180 
 NORTH RAPID CREEK        6130     4.3      -M      *    11.0      -M      *
 WARREN PEAK              6520     6.6     8.3    80     11.1     5.8   191 
                                                -----                  -----
                Basin wide percent of average     73                    185 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    15.5    18.8    82     16.7    18.7    89 
 DIVIDE PEAK              8800    15.3    15.3   100     20.8    17.6   118 
 ELK RIVER                8700      -M    15.1      *    18.0    14.2   127 
 JOE WRIGHT              10120    15.8    16.0    99     21.3    18.6   115 
 NORTH FRENCH CREEK      10100    22.4    18.5   121     23.3    17.3   135 
 OLD BATTLE              10000    21.5    23.8    90     27.7    22.3   124 
 SOUTH BRUSH CREEK        8400     5.2     8.4    62     16.1    12.0   134 
 TOWER                   10500    32.9    34.3    96     30.9    27.5   112 
 WEBBER SPRINGS           9200    14.5    20.3    71     20.3    18.9   107 
 WILLOW CREEK PASS        9540     9.5     8.4   113     10.1     9.0   112 
                                                -----                  -----
                Basin wide percent of average     93                    117 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    15.7    18.2    86     17.2    14.0   123 
 CASPER MTN.              7900     8.3    11.0    75     13.3     9.9   134 
 DEADMAN HILL            10220    12.8    12.6   102     14.2    11.8   120 
 DEER PARK                9700    14.3      -M      *    18.7      -M      *
 LAPRELE CREEK            8320      -M     7.6      *    10.7     8.5   126 
 RENO HILL                8400     9.7     9.7   100     14.2    13.2   108 
 ROACH                    9700    13.6    12.7   107     16.0    16.0   100 
 SAND LAKE               10080    25.3    24.5   103     22.3    15.0   149 
 SOUTH PASS               9040    15.2    12.9   118     16.4    12.5   131 
 WINDY PEAK               7840     4.0     5.4    74     10.0     6.6   152 
                                                -----                  -----
                Basin wide percent of average     98                    125 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.9     8.7   125     14.8    11.9   124 
 DIVIDE PEAK              8800    15.3    15.3   100     20.8    17.6   118 
 OLD BATTLE              10000    21.5    23.8    90     27.7    22.3   124 
 SANDSTONE RS             8150    10.2    11.0    93     16.8    14.5   116 
 WHISKEY PARK             8950    19.6    21.4    92     22.9    21.4   107 
                                                -----                  -----
                Basin wide percent of average     97                    117 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    13.2    10.9   121     12.3    13.4    92 
 BLIND BULL SUM           8650    23.2    22.2   105     18.4    19.2    96 
 EAST RIM DIVIDE          7930    11.2    10.8   104     11.6    12.5    93 
 ELKHART PARK G.S.        9400    11.3    10.5   108     11.8    13.2    89 
 GROS VENTRE SUMMIT       8775    12.6    11.9   106     12.4    13.1    95 
 KENDALL R.S.             7740    12.9    11.4   113     12.8    12.8   100 
 LOOMIS PARK              8240      -M    13.6      *    16.5    15.5   106 
 NEW FORK LAKE            8340    10.3     9.0   114     10.3    11.9    87 
 SNIDER BASIN             8250    12.9    11.5   112     12.9    12.5   103 
 SPRING CREEK DIVIDE      9000    22.2    21.1   105     22.2    22.1   100 
 TRIPLE PEAK              8500    20.7    20.0   104     22.1    25.7    86 
                                                -----                  -----
                Basin wide percent of average    108                     95 


LOWER GREEN RIVER

 HAMS FORK                7840    10.1     9.6   105      8.8    11.0    80 
 HEWINTA                  9500     7.9     7.5   105     10.5     9.4   112 
 HICKERSON PARK           9150     5.1     4.4   116      7.6     6.7   113 
 HOLE-IN-ROCK             9150     5.1     4.0   128      8.0     6.7   119 
 INDIAN CREEK             9425    22.7    20.9   109     18.8    20.7    91 
 KELLEY R.S.              8180    13.1    12.8   102     14.8    15.5    95 
 STEEL CREEK PARK        10100    10.5    11.1    95     12.4     9.6   129 
                                                -----                  -----
                Basin wide percent of average    106                    102 


UPPER BEAR RIVER

 BUG LAKE                 7950    15.8    15.1   105     14.9    14.6   102 
 HAYDEN FORK              9400    10.7    12.2    88     15.0    13.8   109 
 KELLEY R.S.              8180    13.1    12.8   102     14.8    15.5    95 
 LILY LAKE                9050     9.9     9.7   102     13.7    10.8   127 
 MONTE CRISTO             8960    19.6    20.4    96     20.2    19.0   106 
 SALT RIVER SUMMIT        7600    12.5    10.8   116     14.7    13.9   106 
 TRIAL LAKE               9960    15.2    18.6    82     16.2    17.8    91 
                                                -----                  -----
                Basin wide percent of average     97                    104 

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


-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.