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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 FRIDAY: APRIL 4 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    30.0    17.4   172     35.0    23.0   152 
 COTTONWOOD CREEK         7600    31.8    24.2   131     33.0    26.0   127 
 GRANITE CREEK            6770    29.4    18.6   158     33.1    24.3   136 
 GRASSY LAKE              7265    47.4    36.6   130     53.1    38.5   138 
 GROS VENTRE SUMMIT       8775    23.1    15.8   146     21.6    16.5   131 
 LEWIS LAKE DIVIDE        7860    52.8    35.9   147     45.9    39.1   117 
 PHILLIPS BENCH           8200    43.4    29.7   146     46.2    30.9   150 
 SALT RIVER SUMMIT        7600    22.1    14.4   153     23.8    17.5   136 
 SNAKE RIVER STATION      6920    28.6    18.8   152     36.6    27.0   136 
 SPRING CREEK DIVIDE      9000    36.0    28.5   126     32.9    28.4   116 
 THUMB DIVIDE             7980    32.4    17.2   188     33.5    21.5   156 
 TOGWOTEE PASS            9580    35.1    25.6   137     34.0    29.3   116 
 TWO OCEAN PLATEAU        9360    45.5    26.8   170       -M    31.7      *
 WILLOW CREEK             8450    40.3    30.8   131     43.0    33.2   130 
                                                -----                  -----
                Basin wide percent of average    146                    133 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    35.8    24.2   148     30.5    18.5   165 
 BLACK BEAR               7950      -M    38.9      *      -M    41.8      *
 CANYON                   7940    23.5    13.2   178     26.4    14.6   181 
 FISHER CREEK             9100    55.9    36.5   153       -M    37.6      *
 MADISON PLATEAU          7750    42.3    25.0   169     42.3    27.0   157 
 NORTHEAST ENTRANCE       7350    12.1     9.2   132     19.4    12.1   160 
 PARKER PEAK              9400    31.6    22.1   143       -M    16.0      *
 SYLVAN LAKE              8420    32.7    22.6   145     33.2    19.6   169 
 THUMB DIVIDE             7980    32.4    17.2   188     33.5    21.5   156 
 TWO OCEAN PLATEAU        9360    45.5    26.8   170       -M    31.7      *
 WHISKEY CREEK            6800    25.7    17.7   145     31.9    22.5   142 
 WHITE MILL               8700    38.4    25.3   152       -M    29.1      *
 WOLVERINE                7650    14.0    11.7   120     15.5    13.0   119 
                                                -----                  -----
                Basin wide percent of average    155                    156 


WIND RIVER

 BURROUGHS CREEK          8750    24.0    15.1   159     25.9    17.0   152 
 CHRISTINA LAKE           9980    20.4    15.7   130     23.1    17.1   135 
 COLD SPRINGS             9630    10.2     8.5   120     12.2    10.9   112 
 HOBBS PARK              10100    17.9    15.4   116     14.1    14.5    97 
 LITTLE WARM              9620    18.3    12.0   153     20.4    13.6   150 
 SOUTH PASS               9040    25.0    16.7   150     25.3    17.5   145 
 ST. LAWRENCE ALT         8620     8.8     7.5   117     10.9    10.4   105 
 TOGWOTEE PASS            9580    35.1    25.6   137     34.0    29.3   116 
 TOWNSEND CREEK           8700    10.4    10.0   104     12.7    12.8    99 
                                                -----                  -----
                Basin wide percent of average    134                    125 


BIGHORN BASIN

 BALD MTN.                9375    22.7    20.9   109     18.9    17.7   107 
 BEAR TRAP MEADOW         7900     6.7     7.1    94      8.9     8.4   106 
 BLACKWATER               9780    38.3    22.9   167     29.2    18.4   159 
 BONE SPRINGS DIV         9350    19.6    16.8   117     17.1    15.4   111 
 EVENING STAR             9200    41.8    27.6   151     39.9    23.0   173 
 GRAVE SPRINGS            8550    12.8      -M      *    11.4     9.9   115 
 KIRWIN                   9550    14.8    10.2   145     16.1    11.1   145 
 LOST CREEK               8080    15.8    14.0   113     15.9    12.1   131 
 MARQUETTE                8760    11.4     8.2   139     11.7     9.9   118 
 MIDDLE POWDER            7760    17.4    12.5   139     15.2    12.1   126 
 OWL CREEK                8975     8.4     4.6   183      7.0     6.4   109 
 POWDER RIVER PASS        9480      -M    11.1      *    13.6    11.8   115 
 SHELL CREEK              9580    18.3    15.3   120     15.1    13.4   113 
 SYLVAN LAKE              8420    32.7    22.6   145     33.2    19.6   169 
 SYLVAN ROAD              8120    20.6    12.1   170     26.9    16.4   164 
 TIMBER CREEK             7950     7.1     6.4   111      8.2     7.3   112 
 YOUNTS PEAK              8350    24.4    17.5   139     27.3    17.0   161 
                                                -----                  -----
                Basin wide percent of average    137                    137 


SHOSHONE RIVER

 BLACKWATER               9780    38.3    22.9   167     29.2    18.4   159 
 EVENING STAR             9200    41.8    27.6   151     39.9    23.0   173 
 KIRWIN                   9550    14.8    10.2   145     16.1    11.1   145 
 MARQUETTE                8760    11.4     8.2   139     11.7     9.9   118 
 SYLVAN LAKE              8420    32.7    22.6   145     33.2    19.6   169 
 SYLVAN ROAD              8120    20.6    12.1   170     26.9    16.4   164 
 YOUNTS PEAK              8350    24.4    17.5   139     27.3    17.0   161 
                                                -----                  -----
                Basin wide percent of average    152                    160 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     6.7     7.1    94      8.9     8.4   106 
 BONE SPRINGS DIV         9350    19.6    16.8   117     17.1    15.4   111 
 BURGESS JUNCTION         7880    14.4    12.0   120     14.1    11.8   119 
 CLOUD PEAK RESERVOIR     9860    18.4    15.3   120     15.5    13.7   113 
 DOME LAKE                8880    13.8    14.0    99     14.6    13.5   108 
 GRAVE SPRINGS            8550    12.8      -M      *    11.4     9.9   115 
 HANSEN SAWMILL           8760     7.4     7.2   103      8.9     8.1   110 
 LOST CREEK               8080    15.8    14.0   113     15.9    12.1   131 
 MIDDLE POWDER            7760    17.4    12.5   139     15.2    12.1   126 
 POWDER RIVER PASS        9480      -M    11.1      *    13.6    11.8   115 
 SUCKER CREEK             8880    15.0    12.4   121     16.0    13.4   119 
 TIE CREEK                6870     7.3      -M      *    12.6    11.3   112 
                                                -----                  -----
                Basin wide percent of average    115                    116 


BELLE FOURCHE

 BLIND PARK               6890     9.1    11.2    81     14.7    10.4   141 
 NORTH RAPID CREEK        6130      -M      -M      *      -M      -M      *
 WARREN PEAK              6520    17.8    11.2   159       -M     8.2      *
                                                -----                  -----
                Basin wide percent of average    120                    141*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    28.5    24.8   115     31.4    24.9   126 
 DIVIDE PEAK              8800    26.7    21.4   125     25.4    23.3   109 
 ELK RIVER                8700    26.9    20.1   134     25.1    19.5   129 
 JOE WRIGHT              10120    25.1    22.6   111     29.3    25.5   115 
 NORTH FRENCH CREEK      10100    35.9    26.2   137     27.6    24.0   115 
 OLD BATTLE              10000    41.1    33.0   125     38.9    30.8   126 
 SOUTH BRUSH CREEK        8400    13.5    13.3   102     17.8    16.7   107 
 TOWER                   10500    54.6    46.2   118     47.7    36.9   129 
 WEBBER SPRINGS           9200    31.8    28.4   112     36.6    25.7   142 
 WILLOW CREEK PASS        9540    18.8    12.3   153     15.5    12.9   120 
                                                -----                  -----
                Basin wide percent of average    122                    123 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    36.2    27.0   134     28.0    19.8   141 
 CASPER MTN.              7900    22.1    17.1   129     20.8    14.5   143 
 CHRISTINA LAKE           9980    20.4    15.7   130     23.1    17.1   135 
 DEADMAN HILL            10220    16.8    16.9    99     18.8    17.1   110 
 LAPRELE CREEK            8320    15.1    10.5   144     15.0    12.1   124 
 RENO HILL                8400    23.4    14.6   160     20.5    19.5   105 
 ROACH                    9700    22.7    17.6   129     22.0    21.6   102 
 SAND LAKE               10080    38.5    33.7   114     30.1    20.8   145 
 SOUTH PASS               9040    25.0    16.7   150     25.3    17.5   145 
 WINDY PEAK               7840    10.6     8.9   119     11.9     9.8   121 
                                                -----                  -----
                Basin wide percent of average    129                    127 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    14.1    11.2   126     28.7    15.6   184 
 DIVIDE PEAK              8800    26.7    21.4   125     25.4    23.3   109 
 OLD BATTLE              10000    41.1    33.0   125     38.9    30.8   126 
 SANDSTONE RS             8150    17.9    15.1   119     22.4    19.0   118 
 WHISKEY PARK             8950    37.9    29.4   129     33.6    28.8   117 
                                                -----                  -----
                Basin wide percent of average    125                    127 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    19.8    14.8   134     18.4    16.8   110 
 BLIND BULL SUM           8650    43.6    30.1   145     32.9    24.8   133 
 EAST RIM DIVIDE          7930    16.9    14.2   119     17.3    15.7   110 
 ELKHART PARK G.S.        9400    18.2    14.1   129     18.6    16.5   113 
 GROS VENTRE SUMMIT       8775    23.1    15.8   146     21.6    16.5   131 
 KENDALL R.S.             7740    23.7    14.4   165     24.0    16.1   149 
 LOOMIS PARK              8240      -M    17.5      *    27.5    19.5   141 
 NEW FORK LAKE            8340    15.4    11.2   138     13.5    15.0    90 
 SNIDER BASIN             8250    23.6    15.0   157     19.5    15.7   124 
 SPRING CREEK DIVIDE      9000    36.0    28.5   126     32.9    28.4   116 
 TRIPLE PEAK              8500    36.9    26.1   141     38.0    32.0   119 
                                                -----                  -----
                Basin wide percent of average    140                    122 


LOWER GREEN RIVER

 HAMS FORK                7840    15.8    10.9   145     14.9    13.8   108 
 HEWINTA                  9500    12.1    11.0   110     14.5    13.4   108 
 HICKERSON PARK           9150     9.4     6.8   138      9.8     9.8   100 
 HOLE-IN-ROCK             9150     7.0     6.4   109     10.4     9.8   106 
 INDIAN CREEK             9425    41.2    29.3   141     31.9    26.9   119 
 KELLEY R.S.              8180    24.7    17.4   142     26.4    19.4   136 
 STEEL CREEK PARK        10100    16.7    16.9    99     16.2    13.1   124 
                                                -----                  -----
                Basin wide percent of average    129                    117 


UPPER BEAR RIVER

 BUG LAKE                 7950    33.6    21.0   160     29.7    19.9   149 
 HAYDEN FORK              9400    18.0    15.3   118     25.6    19.5   131 
 KELLEY R.S.              8180    24.7    17.4   142     26.4    19.4   136 
 LILY LAKE                9050    16.9    13.3   127     19.7    15.1   130 
 MONTE CRISTO             8960    38.3    29.8   129     33.7    26.2   129 
 SALT RIVER SUMMIT        7600    22.1    14.4   153     23.8    17.5   136 
 TRIAL LAKE               9960    34.8    25.2   138     34.7    24.4   142 
                                                -----                  -----
                Basin wide percent of average    138                    136 

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


-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.