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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 27 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    23.0    17.5   131     26.8    22.4   120 
 COTTONWOOD CREEK         7600    24.0    23.6   102     26.8    25.2   106 
 GRANITE CREEK            6770    21.2    18.3   116     22.7    23.5    97 
 GRASSY LAKE              7265    42.5    35.3   120     39.9    37.2   107 
 GROS VENTRE SUMMIT       8775      -M    15.4      *      -M    16.0      *
 LEWIS LAKE DIVIDE        7860    39.8    34.8   114     39.3    37.8   104 
 PHILLIPS BENCH           8200    31.8    28.7   111     31.0    29.9   104 
 SALT RIVER SUMMIT        7600    15.4    14.1   109     18.0    16.9   107 
 SNAKE RIVER STATION      6920    22.0    18.5   119     25.3    26.1    97 
 SPRING CREEK DIVIDE      9000    28.5    27.6   103     26.9    27.5    98 
 THUMB DIVIDE             7980      -M    16.8      *      -M    20.9      *
 TOGWOTEE PASS            9580      -M    24.5      *    27.8    28.3    98 
 TWO OCEAN PLATEAU        9360    35.5    26.2   135     30.9    30.8   100 
 WILLOW CREEK             8450    32.8    29.9   110     37.2    32.2   116 
                                                -----                  -----
                Basin wide percent of average    115                    104 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    25.8    23.2   111     23.0    17.7   130 
 BLACK BEAR               7950    48.7    37.5   130       -M    40.1      *
 CANYON                   7940    17.7    12.7   139     18.6    14.0   133 
 FISHER CREEK             9100    39.3    35.2   112     36.1    36.1   100 
 MADISON PLATEAU          7750      -M    24.2      *    31.2    25.9   120 
 NORTHEAST ENTRANCE       7350    11.3     9.1   124     13.9    11.6   120 
 PARKER PEAK              9400    22.8    21.3   107       -M    15.3      *
 SYLVAN LAKE              8420    25.4    21.7   117     27.0    18.8   144 
 THUMB DIVIDE             7980      -M    16.8      *      -M    20.9      *
 TWO OCEAN PLATEAU        9360    35.5    26.2   135     30.9    30.8   100 
 WHISKEY CREEK            6800    20.4    17.1   119     23.7    21.5   110 
 WHITE MILL               8700    27.2    24.6   111     24.3    27.9    87 
 WOLVERINE                7650    12.3    11.5   107     12.3    12.5    98 
                                                -----                  -----
                Basin wide percent of average    119                    111 


WIND RIVER

 BURROUGHS CREEK          8750    16.6    14.8   112     17.8    16.3   109 
 COLD SPRINGS             9630     8.7     8.2   106     11.1    10.2   109 
 DEER PARK                9700    15.8      -M      *    20.9      -M      *
 HOBBS PARK              10100    16.5    14.6   113     14.7    13.7   107 
 LITTLE WARM              9620    13.7    11.2   122     14.8    12.9   115 
 SOUTH PASS               9040    16.8    16.0   105     17.9    16.6   108 
 ST. LAWRENCE ALT         8620     6.5     7.4    88      9.7     9.8    99 
 TOGWOTEE PASS            9580      -M    24.5      *    27.8    28.3    98 
 TOWNSEND CREEK           8700     9.0     9.6    94     12.0    12.1    99 
                                                -----                  -----
                Basin wide percent of average    107                    105 


BIGHORN BASIN

 BALD MTN.                9375    19.0    20.0    95     17.7    16.9   105 
 BEAR TRAP MEADOW         7900     4.9     7.0    70      9.1     7.9   115 
 BLACKWATER               9780    29.5    21.8   135     24.2    17.6   138 
 BONE SPRINGS DIV         9350    14.7    16.0    92     15.1    14.6   103 
 EVENING STAR             9200    32.3    26.5   122     33.4    22.1   151 
 GRAVE SPRINGS            8550     7.8     9.3    84     10.6     9.2   115 
 KIRWIN                   9550    12.1     9.7   125     13.8    10.4   133 
 MARQUETTE                8760     7.8     7.9    99      8.6     9.1    95 
 MIDDLE POWDER            7760    10.1    11.8    86     15.0    11.4   132 
 OWL CREEK                8975     5.9     4.5   131      6.4     6.0   107 
 POWDER RIVER PASS        9480    11.4    10.6   108     14.8    11.2   132 
 SHELL CREEK              9580    15.9    14.6   109     14.7    12.7   116 
 SYLVAN LAKE              8420    25.4    21.7   117     27.0    18.8   144 
 SYLVAN ROAD              8120    16.8    12.4   135     19.0    15.8   120 
 TIMBER CREEK             7950     4.8     6.1    79      6.4     6.7    96 
 YOUNTS PEAK              8350    21.0    16.9   124     18.8    16.2   116 
                                                -----                  -----
                Basin wide percent of average    110                    123 


SHOSHONE RIVER

 BLACKWATER               9780    29.5    21.8   135     24.2    17.6   138 
 EVENING STAR             9200    32.3    26.5   122     33.4    22.1   151 
 KIRWIN                   9550    12.1     9.7   125     13.8    10.4   133 
 MARQUETTE                8760     7.8     7.9    99      8.6     9.1    95 
 SYLVAN LAKE              8420    25.4    21.7   117     27.0    18.8   144 
 SYLVAN ROAD              8120    16.8    12.4   135     19.0    15.8   120 
 YOUNTS PEAK              8350    21.0    16.9   124     18.8    16.2   116 
                                                -----                  -----
                Basin wide percent of average    124                    132 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.9     7.0    70      9.1     7.9   115 
 BIG GOOSE                7990     6.0      -M      *     9.3      -M      *
 BONE SPRINGS DIV         9350    14.7    16.0    92     15.1    14.6   103 
 BURGESS JUNCTION         7880     8.4    11.5    73     10.0    11.0    91 
 CLOUD PEAK RESERVOIR     9860    14.2    14.3    99     12.7    12.8    99 
 DOME LAKE                8880      -M    13.4      *    10.2    12.7    80 
 GRAVE SPRINGS            8550     7.8     9.3    84     10.6     9.2   115 
 HANSEN SAWMILL           8760     4.3     6.9    62      7.8     7.6   103 
 MIDDLE POWDER            7760    10.1    11.8    86     15.0    11.4   132 
 POWDER RIVER PASS        9480    11.4    10.6   108     14.8    11.2   132 
 SUCKER CREEK             8880     9.8    11.8    83     12.3    12.7    97 
 TIE CREEK                6870     2.0      -M      *     8.0    10.5    76 
                                                -----                  -----
                Basin wide percent of average     86                    103 


BELLE FOURCHE

 BLIND PARK               6890     6.3    10.8    58     14.9     9.6   155 
 NORTH RAPID CREEK        6130     5.0      -M      *    12.4      -M      *
 WARREN PEAK              6520     9.7    10.8    90     14.0     7.7   182 
                                                -----                  -----
                Basin wide percent of average     74                    167 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    18.9    24.5    77     21.0    23.9    88 
 DIVIDE PEAK              8800    17.6    20.5    86     22.9    22.1   104 
 ELK RIVER                8700    14.8    19.5    76     20.6    18.6   111 
 JOE WRIGHT              10120    19.0    21.4    89     25.0    24.2   103 
 NORTH FRENCH CREEK      10100    27.6    24.8   111     27.4    22.8   120 
 OLD BATTLE              10000    26.7    31.2    86     33.5    29.3   114 
 SOUTH BRUSH CREEK        8400    11.3    12.8    88     18.2    15.8   115 
 TOWER                   10500    41.2    44.2    93     36.8    35.2   105 
 WEBBER SPRINGS           9200    17.7    27.3    65     24.4    24.5   100 
 WILLOW CREEK PASS        9540    11.1    11.6    96     11.7    12.2    96 
                                                -----                  -----
                Basin wide percent of average     87                    106 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    15.3    25.3    60     21.0    18.8   112 
 CASPER MTN.              7900    10.2    15.8    65     15.5    13.5   115 
 DEADMAN HILL            10220    15.7    16.1    98     16.5    16.1   102 
 DEER PARK                9700    15.8      -M      *    20.9      -M      *
 LAPRELE CREEK            8320      -M    10.2      *    13.8    11.4   121 
 RENO HILL                8400    12.4    13.8    90     17.4    18.5    94 
 ROACH                    9700    14.8    16.9    88     18.3    20.5    89 
 SAND LAKE               10080    32.4    32.1   101     26.8    19.7   136 
 SOUTH PASS               9040    16.8    16.0   105     17.9    16.6   108 
 WINDY PEAK               7840     6.1     8.4    73     12.1     9.1   133 
                                                -----                  -----
                Basin wide percent of average     86                    110 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.3    11.2    92     16.1    14.9   108 
 DIVIDE PEAK              8800    17.6    20.5    86     22.9    22.1   104 
 OLD BATTLE              10000    26.7    31.2    86     33.5    29.3   114 
 SANDSTONE RS             8150    10.7    14.6    73     19.1    18.1   106 
 WHISKEY PARK             8950    24.5    28.2    87     27.9    27.3   102 
                                                -----                  -----
                Basin wide percent of average     85                    107 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    15.9    14.3   111     14.8    16.3    91 
 BLIND BULL SUM           8650    27.5    29.0    95     21.6    24.0    90 
 EAST RIM DIVIDE          7930    13.2    13.8    96     13.5    15.2    89 
 ELKHART PARK G.S.        9400    13.5    13.6    99     13.9    16.0    87 
 GROS VENTRE SUMMIT       8775      -M    15.4      *      -M    16.0      *
 KENDALL R.S.             7740    14.5    14.6    99     15.5    15.6    99 
 LOOMIS PARK              8240      -M    17.3      *    19.4    18.9   103 
 NEW FORK LAKE            8340    12.1    11.1   109     11.6    14.5    80 
 SNIDER BASIN             8250    15.6    14.6   107     16.2    15.2   107 
 SPRING CREEK DIVIDE      9000    28.5    27.6   103     26.9    27.5    98 
 TRIPLE PEAK              8500    27.6    25.3   109     28.4    31.1    91 
                                                -----                  -----
                Basin wide percent of average    103                     94 


LOWER GREEN RIVER

 HAMS FORK                7840    13.0    12.2   107     10.9    13.4    81 
 HEWINTA                  9500    10.3    11.1    93     13.5    12.6   107 
 HICKERSON PARK           9150     5.7     6.6    86      9.0     9.1    99 
 HOLE-IN-ROCK             9150     5.9     6.2    95       -M     9.1      *
 INDIAN CREEK             9425    28.6    28.1   102     23.9    25.9    92 
 KELLEY R.S.              8180    16.5    16.9    98     18.0    18.8    96 
 STEEL CREEK PARK        10100    13.9    15.9    87     15.7    12.4   127 
                                                -----                  -----
                Basin wide percent of average     97                     99 


UPPER BEAR RIVER

 BUG LAKE                 7950    20.8    20.6   101     18.7    19.0    98 
 HAYDEN FORK              9400    13.8    16.2    85     19.8    18.5   107 
 KELLEY R.S.              8180    16.5    16.9    98     18.0    18.8    96 
 LILY LAKE                9050    12.0    12.9    93     17.3    14.3   121 
 MONTE CRISTO             8960    24.9    28.9    86     25.1    24.9   101 
 SALT RIVER SUMMIT        7600    15.4    14.1   109     18.0    16.9   107 
 TRIAL LAKE               9960    20.5    24.6    83     21.1    23.3    91 
                                                -----                  -----
                Basin wide percent of average     92                    102 

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


-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.