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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 SATURDAY: MARCH 13 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    24.8    16.6   149     25.2    21.1   119 
 COTTONWOOD CREEK         7600    23.9    21.2   113     26.1    23.6   111 
 GRANITE CREEK            6770    21.2    16.9   125     22.6    22.2   102 
 GRASSY LAKE              7265    41.1    32.5   126     38.4    34.7   111 
 GROS VENTRE SUMMIT       8775    15.0    14.2   106     14.7    15.0    98 
 LEWIS LAKE DIVIDE        7860    40.4    32.3   125       -M    35.2      *
 PHILLIPS BENCH           8200    31.6    26.6   119     25.3    27.8    91 
 SALT RIVER SUMMIT        7600    15.5    13.1   118     17.6    16.0   110 
 SNAKE RIVER STATION      6920    22.0    17.5   126     25.0    24.3   103 
 SPRING CREEK DIVIDE      9000    27.7    25.4   109     26.4    25.6   103 
 THUMB DIVIDE             7980      -M    15.6      *      -M    19.8      *
 TOGWOTEE PASS            9580      -M    22.6      *    27.3    26.4   103 
 TWO OCEAN PLATEAU        9360    34.7    24.3   143       -M    29.1      *
 WILLOW CREEK             8450    31.8    28.0   114     35.0    30.3   116 
                                                -----                  -----
                Basin wide percent of average    123                    106 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    25.2    21.5   117     22.5    16.3   138 
 BLACK BEAR               7950    48.7    34.7   140       -M    36.6      *
 CANYON                   7940    17.5    11.7   150     18.2    13.0   140 
 FISHER CREEK             9100    39.0    32.7   119       -M    33.2      *
 MADISON PLATEAU          7750      -M    22.4      *      -M    23.7      *
 NORTHEAST ENTRANCE       7350    12.1     8.7   139     13.8    10.9   127 
 PARKER PEAK              9400    22.2    19.7   113       -M    14.1      *
 SYLVAN LAKE              8420    24.4    20.1   121     26.2    17.5   150 
 THUMB DIVIDE             7980      -M    15.6      *      -M    19.8      *
 TWO OCEAN PLATEAU        9360    34.7    24.3   143       -M    29.1      *
 WHISKEY CREEK            6800    20.1    15.8   127       -M    19.6      *
 WHITE MILL               8700    27.1    23.2   117     24.1    25.7    94 
 WOLVERINE                7650    13.7    10.9   126     12.3    11.7   105 
                                                -----                  -----
                Basin wide percent of average    127                    123*


WIND RIVER

 BURROUGHS CREEK          8750    16.3    14.0   116     17.7    15.0   118 
 COLD SPRINGS             9630     9.1     7.6   120     11.0     9.3   118 
 DEER PARK                9700    15.9      -M      *    20.8      -M      *
 HOBBS PARK              10100    16.2    13.3   122     14.7    12.4   119 
 LITTLE WARM              9620    13.1    10.2   128     14.4    11.8   122 
 SOUTH PASS               9040    16.7    15.0   111     17.8    15.1   118 
 ST. LAWRENCE ALT         8620     6.6     6.9    96      9.5     8.9   107 
 TOGWOTEE PASS            9580      -M    22.6      *    27.3    26.4   103 
 TOWNSEND CREEK           8700     8.9     8.9   100     11.7    10.8   108 
                                                -----                  -----
                Basin wide percent of average    114                    113 


BIGHORN BASIN

 BALD MTN.                9375    18.9    18.5   102     17.5    15.4   114 
 BEAR TRAP MEADOW         7900     7.1     6.4   111      9.0     7.0   129 
 BLACKWATER               9780    28.8    19.9   145     23.9    16.3   147 
 BONE SPRINGS DIV         9350    15.1    14.7   103     15.1    13.0   116 
 EVENING STAR             9200    32.2    24.5   131       -M    20.4      *
 GRAVE SPRINGS            8550     7.9     8.4    94     10.5     8.3   127 
 KIRWIN                   9550    11.9     8.9   134     13.7     9.5   144 
 MARQUETTE                8760     7.8     7.2   108      8.5     8.0   106 
 MIDDLE POWDER            7760    10.3    10.7    96     15.0    10.2   147 
 OWL CREEK                8975     5.8     4.0   145      6.3     5.4   117 
 POWDER RIVER PASS        9480    12.4     9.7   128     14.6    10.2   143 
 SHELL CREEK              9580    15.8    13.6   116     14.6    11.6   126 
 SYLVAN LAKE              8420    24.4    20.1   121     26.2    17.5   150 
 SYLVAN ROAD              8120      -M    12.1      *      -M    14.6      *
 TIMBER CREEK             7950     4.8     5.5    87      6.5     5.8   112 
 YOUNTS PEAK              8350    20.4    15.8   129     17.9    15.0   119 
                                                -----                  -----
                Basin wide percent of average    119                    130 


SHOSHONE RIVER

 BLACKWATER               9780    28.8    19.9   145     23.9    16.3   147 
 EVENING STAR             9200    32.2    24.5   131       -M    20.4      *
 KIRWIN                   9550    11.9     8.9   134     13.7     9.5   144 
 MARQUETTE                8760     7.8     7.2   108      8.5     8.0   106 
 SYLVAN LAKE              8420    24.4    20.1   121     26.2    17.5   150 
 SYLVAN ROAD              8120      -M    12.1      *      -M    14.6      *
 YOUNTS PEAK              8350    20.4    15.8   129     17.9    15.0   119 
                                                -----                  -----
                Basin wide percent of average    130                    136 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     7.1     6.4   111      9.0     7.0   129 
 BIG GOOSE                7990     6.1      -M      *     9.2      -M      *
 BONE SPRINGS DIV         9350    15.1    14.7   103     15.1    13.0   116 
 BURGESS JUNCTION         7880     8.2    10.6    77      9.9     9.7   102 
 CLOUD PEAK RESERVOIR     9860    14.2    12.7   112     12.4    11.5   108 
 DOME LAKE                8880     6.9    12.3    56     10.5    11.5    91 
 GRAVE SPRINGS            8550     7.9     8.4    94     10.5     8.3   127 
 HANSEN SAWMILL           8760     5.6     6.4    88      7.9     6.7   118 
 MIDDLE POWDER            7760    10.3    10.7    96     15.0    10.2   147 
 POWDER RIVER PASS        9480    12.4     9.7   128     14.6    10.2   143 
 SUCKER CREEK             8880     9.9    10.7    93     12.3    11.5   107 
 TIE CREEK                6870     3.8      -M      *     7.9     9.3    85 
                                                -----                  -----
                Basin wide percent of average     95                    115 


BELLE FOURCHE

 BLIND PARK               6890     7.9    10.0    79     14.8     8.5   174 
 NORTH RAPID CREEK        6130     5.7      -M      *    12.3      -M      *
 WARREN PEAK              6520    10.7    10.0   107     13.8     6.9   200 
                                                -----                  -----
                Basin wide percent of average     93                    186 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    20.3    23.1    88     20.8    22.0    95 
 DIVIDE PEAK              8800    17.3    18.4    94     22.5    20.3   111 
 ELK RIVER                8700    17.6    18.2    97     20.4    16.9   121 
 JOE WRIGHT              10120    19.3    19.3   100     25.1    22.1   114 
 NORTH FRENCH CREEK      10100    26.9    22.5   120     27.2    20.7   131 
 OLD BATTLE              10000    26.2    28.3    93     33.0    26.7   124 
 SOUTH BRUSH CREEK        8400    10.3    10.9    94     18.1    14.2   127 
 TOWER                   10500    40.9    40.6   101     36.2    32.4   112 
 WEBBER SPRINGS           9200    17.8    24.5    73     23.8    22.4   106 
 WILLOW CREEK PASS        9540    11.0    10.3   107     11.1    10.9   102 
                                                -----                  -----
                Basin wide percent of average     96                    114 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    18.4    22.2    83     20.7    17.0   122 
 CASPER MTN.              7900    10.6    13.7    77     15.4    12.0   128 
 DEADMAN HILL            10220    15.2    14.8   103     16.5    14.4   115 
 DEER PARK                9700    15.9      -M      *    20.8      -M      *
 LAPRELE CREEK            8320      -M     9.3      *    13.5    10.1   134 
 RENO HILL                8400    12.7    12.1   105     17.2    16.4   105 
 ROACH                    9700    14.5    15.4    94     18.4    18.8    98 
 SAND LAKE               10080    31.4    29.4   107     26.4    18.0   147 
 SOUTH PASS               9040    16.7    15.0   111     17.8    15.1   118 
 WINDY PEAK               7840     6.1     7.4    82     12.0     8.0   150 
                                                -----                  -----
                Basin wide percent of average     97                    122 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    13.1    10.7   122     16.2    13.6   119 
 DIVIDE PEAK              8800    17.3    18.4    94     22.5    20.3   111 
 OLD BATTLE              10000    26.2    28.3    93     33.0    26.7   124 
 SANDSTONE RS             8150    12.4    13.4    93     18.9    16.6   114 
 WHISKEY PARK             8950    25.2    25.9    97     27.5    24.7   111 
                                                -----                  -----
                Basin wide percent of average     97                    116 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    15.5    13.2   117     14.5    15.3    95 
 BLIND BULL SUM           8650    27.4    26.7   103     21.3    22.4    95 
 EAST RIM DIVIDE          7930    13.2    13.0   102     13.5    14.3    94 
 ELKHART PARK G.S.        9400    13.2    12.6   105     13.6    15.1    90 
 GROS VENTRE SUMMIT       8775    15.0    14.2   106     14.7    15.0    98 
 KENDALL R.S.             7740    15.1    14.1   107     15.3    14.7   104 
 LOOMIS PARK              8240      -M    16.3      *    19.3    17.8   108 
 NEW FORK LAKE            8340    12.1    10.6   114     11.5    13.6    85 
 SNIDER BASIN             8250    16.3    13.8   118     16.0    14.3   112 
 SPRING CREEK DIVIDE      9000    27.7    25.4   109     26.4    25.6   103 
 TRIPLE PEAK              8500    26.7    23.5   114     27.2    29.4    93 
                                                -----                  -----
                Basin wide percent of average    109                     98 


LOWER GREEN RIVER

 HAMS FORK                7840    13.9    11.7   119     10.7    12.6    85 
 HEWINTA                  9500    11.0     9.8   112     13.4    11.3   119 
 HICKERSON PARK           9150     6.7     5.7   118      9.1     8.1   112 
 HOLE-IN-ROCK             9150     6.6     5.4   122      9.3     8.1   115 
 INDIAN CREEK             9425    27.7    25.6   108     22.7    24.1    94 
 KELLEY R.S.              8180    16.1    15.7   103     17.7    17.7   100 
 STEEL CREEK PARK        10100    13.6    14.1    96     15.5    11.3   137 
                                                -----                  -----
                Basin wide percent of average    109                    106 


UPPER BEAR RIVER

 BUG LAKE                 7950    20.9    18.6   112     18.5    17.3   107 
 HAYDEN FORK              9400    15.8    15.2   104     18.9    16.7   113 
 KELLEY R.S.              8180    16.1    15.7   103     17.7    17.7   100 
 LILY LAKE                9050    13.1    11.6   113     17.2    12.9   133 
 MONTE CRISTO             8960    24.9    26.0    96     24.7    22.7   109 
 SALT RIVER SUMMIT        7600    15.5    13.1   118     17.6    16.0   110 
 TRIAL LAKE               9960    20.0    23.3    86     20.7    21.4    97 
                                                -----                  -----
                Basin wide percent of average    102                    109 

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


-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.