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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: MARCH 22 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    23.6    17.2   137     26.7    21.9   122 
 COTTONWOOD CREEK         7600    24.3    22.8   107     26.7    24.6   109 
 GRANITE CREEK            6770    21.1    17.8   119     22.6    23.1    98 
 GRASSY LAKE              7265    41.2    34.4   120     39.7    36.3   109 
 GROS VENTRE SUMMIT       8775    15.2    15.0   101     14.8    15.6    95 
 LEWIS LAKE DIVIDE        7860    39.9    34.0   117     39.0    36.9   106 
 PHILLIPS BENCH           8200    31.6    28.0   113     30.9    29.1   106 
 SALT RIVER SUMMIT        7600    15.4    13.8   112     17.9    16.6   108 
 SNAKE RIVER STATION      6920    21.6    18.2   119     25.1    25.4    99 
 SPRING CREEK DIVIDE      9000    28.2    26.8   105     26.8    26.8   100 
 THUMB DIVIDE             7980    22.9    16.4   140     21.5    20.5   105 
 TOGWOTEE PASS            9580      -M    23.8      *    27.7    27.6   100 
 TWO OCEAN PLATEAU        9360    35.5    25.6   139       -M    30.2      *
 WILLOW CREEK             8450    32.7    29.3   112     36.5    31.5   116 
                                                -----                  -----
                Basin wide percent of average    118                    106 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    25.7    22.6   114     23.1    17.2   134 
 BLACK BEAR               7950    48.6    36.6   133       -M    38.8      *
 CANYON                   7940    17.5    12.4   141     18.4    13.7   134 
 FISHER CREEK             9100    39.1    34.3   114       -M    35.0      *
 MADISON PLATEAU          7750      -M    23.6      *      -M    25.1      *
 NORTHEAST ENTRANCE       7350    12.0     9.0   133     14.0    11.4   123 
 PARKER PEAK              9400    22.5    20.7   109       -M    14.9      *
 SYLVAN LAKE              8420    25.1    21.2   118     26.8    18.3   146 
 THUMB DIVIDE             7980    22.9    16.4   140     21.5    20.5   105 
 TWO OCEAN PLATEAU        9360    35.5    25.6   139       -M    30.2      *
 WHISKEY CREEK            6800    20.1    16.6   121     23.4    20.8   112 
 WHITE MILL               8700    27.2    24.2   112     24.4    27.1    90 
 WOLVERINE                7650    12.7    11.3   112     12.4    12.2   102 
                                                -----                  -----
                Basin wide percent of average    123                    116 


WIND RIVER

 BURROUGHS CREEK          8750    16.5    14.5   114     17.7    15.8   112 
 COLD SPRINGS             9630     8.8     8.0   110     11.0     9.9   111 
 DEER PARK                9700    15.9      -M      *    20.8      -M      *
 HOBBS PARK              10100    16.5    14.2   116     14.7    13.2   111 
 LITTLE WARM              9620    13.3    10.9   122     14.7    12.5   118 
 SOUTH PASS               9040    16.9    15.7   108     17.9    16.0   112 
 ST. LAWRENCE ALT         8620     6.5     7.2    90      9.5     9.5   100 
 TOGWOTEE PASS            9580      -M    23.8      *    27.7    27.6   100 
 TOWNSEND CREEK           8700     9.0     9.4    96     11.9    11.6   103 
                                                -----                  -----
                Basin wide percent of average    110                    108 


BIGHORN BASIN

 BALD MTN.                9375    19.1    19.5    98     17.8    16.3   109 
 BEAR TRAP MEADOW         7900     6.3     6.8    93      9.0     7.6   118 
 BLACKWATER               9780    29.3    21.1   139     24.0    17.2   140 
 BONE SPRINGS DIV         9350    15.2    15.6    97     15.3    14.0   109 
 EVENING STAR             9200    32.1    25.8   124     33.4    21.5   155 
 GRAVE SPRINGS            8550     7.9     9.0    88     10.6     8.9   119 
 KIRWIN                   9550    12.2     9.4   130     13.8    10.1   137 
 MARQUETTE                8760     8.2     7.6   108      8.8     8.7   101 
 MIDDLE POWDER            7760    10.3    11.4    90     15.0    11.0   136 
 OWL CREEK                8975     5.9     4.3   137      6.6     5.8   114 
 POWDER RIVER PASS        9480    12.3    10.3   119     14.6    10.8   135 
 SHELL CREEK              9580    15.9    14.3   111     14.7    12.3   120 
 SYLVAN LAKE              8420    25.1    21.2   118     26.8    18.3   146 
 SYLVAN ROAD              8120    16.6    12.4   134     18.9    15.4   123 
 TIMBER CREEK             7950     4.7     5.9    80      6.4     6.4   100 
 YOUNTS PEAK              8350    20.8    16.5   126     18.8    15.8   119 
                                                -----                  -----
                Basin wide percent of average    115                    127 


SHOSHONE RIVER

 BLACKWATER               9780    29.3    21.1   139     24.0    17.2   140 
 EVENING STAR             9200    32.1    25.8   124     33.4    21.5   155 
 KIRWIN                   9550    12.2     9.4   130     13.8    10.1   137 
 MARQUETTE                8760     8.2     7.6   108      8.8     8.7   101 
 SYLVAN LAKE              8420    25.1    21.2   118     26.8    18.3   146 
 SYLVAN ROAD              8120    16.6    12.4   134     18.9    15.4   123 
 YOUNTS PEAK              8350    20.8    16.5   126     18.8    15.8   119 
                                                -----                  -----
                Basin wide percent of average    127                    135 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     6.3     6.8    93      9.0     7.6   118 
 BIG GOOSE                7990     6.1      -M      *     9.3      -M      *
 BONE SPRINGS DIV         9350    15.2    15.6    97     15.3    14.0   109 
 BURGESS JUNCTION         7880     8.3    11.2    74     10.0    10.6    94 
 CLOUD PEAK RESERVOIR     9860    14.2    13.8   103     12.7    12.3   103 
 DOME LAKE                8880      -M    13.0      *    10.5    12.3    85 
 GRAVE SPRINGS            8550     7.9     9.0    88     10.6     8.9   119 
 HANSEN SAWMILL           8760     5.3     6.7    79      7.8     7.3   107 
 MIDDLE POWDER            7760    10.3    11.4    90     15.0    11.0   136 
 POWDER RIVER PASS        9480    12.3    10.3   119     14.6    10.8   135 
 SUCKER CREEK             8880     9.9    11.4    87     12.4    12.3   101 
 TIE CREEK                6870     3.5      -M      *     8.0    10.1    79 
                                                -----                  -----
                Basin wide percent of average     93                    107 


BELLE FOURCHE

 BLIND PARK               6890     7.6    10.5    72     14.9     9.2   162 
 NORTH RAPID CREEK        6130     5.7      -M      *    12.6      -M      *
 WARREN PEAK              6520    10.4    10.5    99     14.0     7.4   189 
                                                -----                  -----
                Basin wide percent of average     86                    174 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    20.3    24.0    85     20.8    23.2    90 
 DIVIDE PEAK              8800    17.7    19.8    89     22.6    21.5   105 
 ELK RIVER                8700    16.6    19.1    87     20.6    18.0   114 
 JOE WRIGHT              10120    19.5    20.6    95     25.0    23.5   106 
 NORTH FRENCH CREEK      10100    26.9    24.0   112     27.1    22.0   123 
 OLD BATTLE              10000    26.3    30.1    87     33.2    28.4   117 
 SOUTH BRUSH CREEK        8400    11.3    12.1    93     18.1    15.2   119 
 TOWER                   10500    40.8    42.9    95     36.8    34.2   108 
 WEBBER SPRINGS           9200    17.9    26.3    68     24.1    23.7   102 
 WILLOW CREEK PASS        9540    11.1    11.1   100     11.4    11.7    97 
                                                -----                  -----
                Basin wide percent of average     91                    108 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    16.2    24.2    67     20.8    18.1   115 
 CASPER MTN.              7900    10.4    15.0    69     15.5    13.0   119 
 DEADMAN HILL            10220    15.3    15.7    97     16.6    15.5   107 
 DEER PARK                9700    15.9      -M      *    20.8      -M      *
 LAPRELE CREEK            8320      -M     9.9      *    13.8    10.9   127 
 RENO HILL                8400    12.7    13.2    96     17.4    17.7    98 
 ROACH                    9700    15.2    16.3    93     18.2    19.9    91 
 SAND LAKE               10080    31.9    31.2   102     26.4    19.1   138 
 SOUTH PASS               9040    16.9    15.7   108     17.9    16.0   112 
 WINDY PEAK               7840     6.2     8.1    77     12.2     8.7   140 
                                                -----                  -----
                Basin wide percent of average     90                    114 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.5    11.0   105     16.1    14.4   112 
 DIVIDE PEAK              8800    17.7    19.8    89     22.6    21.5   105 
 OLD BATTLE              10000    26.3    30.1    87     33.2    28.4   117 
 SANDSTONE RS             8150    11.1    14.2    78     18.9    17.6   107 
 WHISKEY PARK             8950    24.4    27.4    89     27.6    26.4   105 
                                                -----                  -----
                Basin wide percent of average     89                    109 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    15.8    13.9   114     14.8    15.9    93 
 BLIND BULL SUM           8650    28.1    28.2   100     21.5    23.4    92 
 EAST RIM DIVIDE          7930    13.3    13.5    99     13.5    14.9    91 
 ELKHART PARK G.S.        9400    13.4    13.3   101     13.9    15.7    89 
 GROS VENTRE SUMMIT       8775    15.2    15.0   101     14.8    15.6    95 
 KENDALL R.S.             7740    15.1    14.5   104     15.5    15.3   101 
 LOOMIS PARK              8240      -M    17.0      *    19.4    18.5   105 
 NEW FORK LAKE            8340    12.2    10.9   112     11.6    14.2    82 
 SNIDER BASIN             8250    16.0    14.4   111     16.1    14.9   108 
 SPRING CREEK DIVIDE      9000    28.2    26.8   105     26.8    26.8   100 
 TRIPLE PEAK              8500    27.5    24.7   111     28.2    30.5    92 
                                                -----                  -----
                Basin wide percent of average    105                     95 


LOWER GREEN RIVER

 HAMS FORK                7840    13.5    12.1   112     10.8    13.1    82 
 HEWINTA                  9500    10.9    10.6   103     13.5    12.2   111 
 HICKERSON PARK           9150     6.3     6.3   100      9.0     8.8   102 
 HOLE-IN-ROCK             9150     5.7     5.9    97       -M     8.8      *
 INDIAN CREEK             9425    28.3    27.3   104     23.7    25.3    94 
 KELLEY R.S.              8180    16.5    16.5   100     18.0    18.4    98 
 STEEL CREEK PARK        10100    13.7    15.2    90     15.7    12.0   131 
                                                -----                  -----
                Basin wide percent of average    101                    101 


UPPER BEAR RIVER

 BUG LAKE                 7950    21.2    19.9   107     18.7    18.4   102 
 HAYDEN FORK              9400    15.3    15.9    96     19.7    17.8   111 
 KELLEY R.S.              8180    16.5    16.5   100     18.0    18.4    98 
 LILY LAKE                9050    13.1    12.5   105     17.2    13.8   125 
 MONTE CRISTO             8960    24.8    27.8    89     25.0    24.1   104 
 SALT RIVER SUMMIT        7600    15.4    13.8   112     17.9    16.6   108 
 TRIAL LAKE               9960    20.5    24.2    85     21.0    22.6    93 
                                                -----                  -----
                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.