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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 MONDAY: FEBRUARY 1 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    15.5    12.5   124     16.5    16.3   101 
 COTTONWOOD CREEK         7600    14.0    14.0   100     17.1    17.3    99 
 GRANITE CREEK            6770    12.3    12.3   100     14.5    17.2    84 
 GRASSY LAKE              7265    27.2    23.0   118     27.6    26.4   105 
 GROS VENTRE SUMMIT       8775     9.4    10.6    89      9.4    11.6    81 
 LEWIS LAKE DIVIDE        7860    25.6    22.8   112     26.0    26.9    97 
 PHILLIPS BENCH           8200    19.6    19.4   101     19.6    21.3    92 
 SALT RIVER SUMMIT        7600     8.7     9.0    97     11.1    12.3    90 
 SNAKE RIVER STATION      6920    14.5    12.4   117     17.9    18.6    96 
 SPRING CREEK DIVIDE      9000    16.6    18.2    91     17.1    19.4    88 
 THUMB DIVIDE             7980    15.0    11.4   132     14.8    15.3    97 
 TOGWOTEE PASS            9580      -M    16.9      *    19.7    20.1    98 
 TWO OCEAN PLATEAU        9360    24.0    18.3   131     20.8    22.5    92 
 WILLOW CREEK             8450    19.6    21.0    93     24.5    22.8   107 
                                                -----                  -----
                Basin wide percent of average    108                     96 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    18.9    16.0   118     17.0    12.1   140 
 BLACK BEAR               7950    31.7    24.5   129       -M    26.5      *
 CANYON                   7940    12.2     8.3   147     13.0     9.9   131 
 FISHER CREEK             9100    27.4    24.2   113     23.9    24.6    97 
 MADISON PLATEAU          7750      -M    16.1      *    19.9    17.3   115 
 NORTHEAST ENTRANCE       7350     8.6     6.4   134     10.6     8.3   128 
 PARKER PEAK              9400    16.5    14.3   115       -M    10.5      *
 SYLVAN LAKE              8420    18.8    14.9   126     20.9    13.2   158 
 THUMB DIVIDE             7980    15.0    11.4   132     14.8    15.3    97 
 TWO OCEAN PLATEAU        9360    24.0    18.3   131     20.8    22.5    92 
 WHISKEY CREEK            6800    13.4    11.2   120     15.9    14.4   110 
 WHITE MILL               8700    18.4    16.8   110     16.8    19.3    87 
 WOLVERINE                7650    11.7     7.9   148     10.0     8.8   114 
                                                -----                  -----
                Basin wide percent of average    124                    111 


WIND RIVER

 BURROUGHS CREEK          8750    11.8    10.4   113     12.9    11.3   114 
 COLD SPRINGS             9630     6.5     5.8   112      8.2     6.9   119 
 DEER PARK                9700    10.2      -M      *    13.7      -M      *
 HOBBS PARK              10100    10.5    10.0   105     10.4     9.2   113 
 LITTLE WARM              9620     8.8     7.2   122      9.9     8.9   111 
 SOUTH PASS               9040    11.2    11.3    99     12.6    10.8   117 
 ST. LAWRENCE ALT         8620     4.7     4.8    98      7.3     6.3   116 
 TOGWOTEE PASS            9580      -M    16.9      *    19.7    20.1    98 
 TOWNSEND CREEK           8700     5.8     6.2    94      8.3     7.8   106 
                                                -----                  -----
                Basin wide percent of average    106                    110 


BIGHORN BASIN

 BALD MTN.                9375    14.1    13.8   102     13.2    11.7   113 
 BEAR TRAP MEADOW         7900     4.5     4.8    94      6.9     5.4   128 
 BLACKWATER               9780    21.0    14.0   150     18.2    12.2   149 
 BONE SPRINGS DIV         9350    10.9    10.6   103     11.2     9.4   119 
 EVENING STAR             9200    23.8    17.8   134     24.8    15.3   162 
 GRAVE SPRINGS            8550     4.8     6.1    79      7.7     6.4   120 
 KIRWIN                   9550     8.4     6.6   127      9.6     6.8   141 
 MARQUETTE                8760     6.2     5.1   122      7.0     5.8   121 
 MIDDLE POWDER            7760     5.0     7.8    64     11.0     7.8   141 
 OWL CREEK                8975     4.2     2.8   150      4.9     3.8   129 
 POWDER RIVER PASS        9480     8.4     7.0   120     10.5     7.8   135 
 SHELL CREEK              9580    12.1    10.2   119     10.9     8.9   122 
 SYLVAN LAKE              8420    18.8    14.9   126     20.9    13.2   158 
 SYLVAN ROAD              8120    12.4     8.5   146     14.4    11.1   130 
 TIMBER CREEK             7950     3.8     3.6   106      5.5     4.2   131 
 YOUNTS PEAK              8350    14.9    12.2   122     13.3    11.3   118 
                                                -----                  -----
                Basin wide percent of average    119                    135 


SHOSHONE RIVER

 BLACKWATER               9780    21.0    14.0   150     18.2    12.2   149 
 EVENING STAR             9200    23.8    17.8   134     24.8    15.3   162 
 KIRWIN                   9550     8.4     6.6   127      9.6     6.8   141 
 MARQUETTE                8760     6.2     5.1   122      7.0     5.8   121 
 SYLVAN LAKE              8420    18.8    14.9   126     20.9    13.2   158 
 SYLVAN ROAD              8120    12.4     8.5   146     14.4    11.1   130 
 YOUNTS PEAK              8350    14.9    12.2   122     13.3    11.3   118 
                                                -----                  -----
                Basin wide percent of average    133                    143 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.5     4.8    94      6.9     5.4   128 
 BIG GOOSE                7990     3.8      -M      *     6.8      -M      *
 BONE SPRINGS DIV         9350    10.9    10.6   103     11.2     9.4   119 
 BURGESS JUNCTION         7880     5.4     7.6    71      7.3     7.1   103 
 CLOUD PEAK RESERVOIR     9860     9.7     8.0   121      8.5     8.1   105 
 DOME LAKE                8880     5.6     9.0    62      7.4     8.7    85 
 GRAVE SPRINGS            8550     4.8     6.1    79      7.7     6.4   120 
 HANSEN SAWMILL           8760     3.8     4.6    83      5.8     5.0   116 
 MIDDLE POWDER            7760     5.0     7.8    64     11.0     7.8   141 
 POWDER RIVER PASS        9480     8.4     7.0   120     10.5     7.8   135 
 SUCKER CREEK             8880     6.8     7.5    91      9.0     8.6   105 
 TIE CREEK                6870     2.4      -M      *     6.0     6.8    88 
                                                -----                  -----
                Basin wide percent of average     89                    113 


BELLE FOURCHE

 BLIND PARK               6890     5.3     7.2    74     12.3     6.1   202 
 NORTH RAPID CREEK        6130     4.1      -M      *    10.7      -M      *
 WARREN PEAK              6520     6.1     7.2    85     10.9     5.2   210 
                                                -----                  -----
                Basin wide percent of average     79                    205 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    13.6    15.8    86     15.2    16.4    93 
 DIVIDE PEAK              8800    12.9    13.3    97     18.3    16.1   114 
 ELK RIVER                8700      -M    12.5      *    16.4    12.5   131 
 JOE WRIGHT              10120    14.5    14.0   104     19.5    16.5   118 
 NORTH FRENCH CREEK      10100    19.8    16.0   124     20.1    15.1   133 
 OLD BATTLE              10000    18.3    20.5    89     24.4    19.4   126 
 SOUTH BRUSH CREEK        8400     5.3     7.1    75     14.7    10.7   137 
 TOWER                   10500    27.8    30.0    93     26.8    24.1   111 
 WEBBER SPRINGS           9200    12.8    17.4    74     17.9    16.6   108 
 WILLOW CREEK PASS        9540     8.0     7.3   110      9.3     7.8   119 
                                                -----                  -----
                Basin wide percent of average     94                    118 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    13.6    16.0    85     15.8    12.1   131 
 CASPER MTN.              7900     6.9     9.4    73     12.3     8.6   143 
 DEADMAN HILL            10220    12.6    11.1   114     13.5    10.3   131 
 DEER PARK                9700    10.2      -M      *    13.7      -M      *
 LAPRELE CREEK            8320     2.9     6.6    44     10.0     7.6   132 
 RENO HILL                8400     8.8     8.3   106     13.3    11.4   117 
 ROACH                    9700    12.4    11.0   113     14.9    14.2   105 
 SAND LAKE               10080    21.9    21.2   103     20.6    13.0   158 
 SOUTH PASS               9040    11.2    11.3    99     12.6    10.8   117 
 WINDY PEAK               7840     3.7     4.5    82      9.4     5.9   159 
                                                -----                  -----
                Basin wide percent of average     95                    130 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.1     7.3   111     12.5    10.9   115 
 DIVIDE PEAK              8800    12.9    13.3    97     18.3    16.1   114 
 OLD BATTLE              10000    18.3    20.5    89     24.4    19.4   126 
 SANDSTONE RS             8150     8.0     9.3    86     14.7    13.3   111 
 WHISKEY PARK             8950    16.8    18.4    91     20.8    20.0   104 
                                                -----                  -----
                Basin wide percent of average     93                    114 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    10.6     9.6   110      9.8    11.9    82 
 BLIND BULL SUM           8650    18.1    19.0    95     15.0    16.8    89 
 EAST RIM DIVIDE          7930     8.5     9.3    91      9.0    11.1    81 
 ELKHART PARK G.S.        9400     8.7     8.9    98      9.3    11.7    79 
 GROS VENTRE SUMMIT       8775     9.4    10.6    89      9.4    11.6    81 
 KENDALL R.S.             7740     9.2     9.9    93      9.9    11.3    88 
 LOOMIS PARK              8240     9.8    11.6    84     12.9    13.8    93 
 NEW FORK LAKE            8340     7.6     7.9    96      8.0    10.6    75 
 SNIDER BASIN             8250     8.9     9.9    90      9.4    11.1    85 
 SPRING CREEK DIVIDE      9000    16.6    18.2    91     17.1    19.4    88 
 TRIPLE PEAK              8500    16.0    17.4    92     17.8    22.7    78 
                                                -----                  -----
                Basin wide percent of average     93                     84 


LOWER GREEN RIVER

 HAMS FORK                7840     7.3     8.1    90      7.0     9.8    71 
 HEWINTA                  9500     5.8     6.2    94      9.1     8.4   108 
 HICKERSON PARK           9150     3.9     3.5   111      6.5     6.0   108 
 HOLE-IN-ROCK             9150     4.3     3.2   134      7.1     6.0   118 
 INDIAN CREEK             9425    16.1    17.9    90     13.9    18.3    76 
 KELLEY R.S.              8180     9.7    10.7    91     11.4    13.7    83 
 STEEL CREEK PARK        10100     8.7     9.8    89     10.7     8.6   124 
                                                -----                  -----
                Basin wide percent of average     94                     93 


UPPER BEAR RIVER

 BUG LAKE                 7950    11.1    12.9    86     11.5    12.8    90 
 HAYDEN FORK              9400     8.4    10.2    82     12.3    11.9   103 
 KELLEY R.S.              8180     9.7    10.7    91     11.4    13.7    83 
 LILY LAKE                9050      -M     8.1      *      -M     9.5      *
 MONTE CRISTO             8960    14.8    17.3    86     16.3    16.5    99 
 SALT RIVER SUMMIT        7600     8.7     9.0    97     11.1    12.3    90 
 TRIAL LAKE               9960    10.7    15.8    68     11.9    15.2    78 
                                                -----                  -----
                Basin wide percent of average     84                     90 

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


-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.