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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: JANUARY 20 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    18.6    10.8   172     23.2    14.3   162 
 COTTONWOOD CREEK         7600    20.3    12.2   166     22.4    15.2   147 
 GRANITE CREEK            6770    20.4    10.5   194     22.5    15.1   149 
 GRASSY LAKE              7265      -M    19.8      *      -M    23.2      *
 GROS VENTRE SUMMIT       8775    15.3     9.3   165     13.1    10.2   128 
 LEWIS LAKE DIVIDE        7860    36.9    19.6   188     36.1    23.6   153 
 PHILLIPS BENCH           8200    27.6    16.5   167     27.8    18.6   149 
 SALT RIVER SUMMIT        7600    15.2     7.6   200     16.8    10.8   156 
 SNAKE RIVER STATION      6920    16.2    10.7   151     23.5    16.4   143 
 SPRING CREEK DIVIDE      9000    26.3    15.7   168     20.1    17.0   118 
 THUMB DIVIDE             7980    23.0     9.9   232     21.0    13.4   157 
 TOGWOTEE PASS            9580    23.7    14.8   160     21.7    17.7   123 
 TWO OCEAN PLATEAU        9360    30.9    16.2   191     29.0    19.8   146 
 WILLOW CREEK             8450    29.0    18.0   161     30.2    20.0   151 
                                                -----                  -----
                Basin wide percent of average    177                    145 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    24.8    14.4   172     20.5    10.7   192 
 BLACK BEAR               7950    44.9    21.2   212       -M    22.9      *
 CANYON                   7940    16.3     7.2   226     17.5     8.7   201 
 FISHER CREEK             9100    39.9    21.1   189     35.7    21.3   168 
 MADISON PLATEAU          7750    27.6    13.9   199       -M    15.1      *
 NORTHEAST ENTRANCE       7350     7.9     5.6   141     13.9     7.3   190 
 PARKER PEAK              9400    21.9    13.0   168     15.2     9.4   162 
 SYLVAN LAKE              8420    21.8    13.4   163     19.9    11.9   167 
 THUMB DIVIDE             7980    23.0     9.9   232     21.0    13.4   157 
 TWO OCEAN PLATEAU        9360    30.9    16.2   191     29.0    19.8   146 
 WHISKEY CREEK            6800    16.3     9.6   170     23.5    12.6   187 
 WHITE MILL               8700    26.9    14.9   181       -M    16.8      *
 WOLVERINE                7650    10.5     6.9   152     11.1     7.9   141 
                                                -----                  -----
                Basin wide percent of average    187                    169 


WIND RIVER

 BURROUGHS CREEK          8750    17.3     9.2   188     16.9    10.1   167 
 CHRISTINA LAKE           9980    14.7     9.3   158     17.0     9.9   172 
 COLD SPRINGS             9630      -M     5.3      *     7.9     6.4   123 
 HOBBS PARK              10100    12.1     9.2   132      9.5     8.3   114 
 LITTLE WARM              9620    12.6     6.4   197     13.7     8.0   171 
 SOUTH PASS               9040      -M    10.2      *    18.4     9.7   190 
 ST. LAWRENCE ALT         8620     5.6     4.2   133      6.7     5.8   116 
 TOGWOTEE PASS            9580    23.7    14.8   160     21.7    17.7   123 
 TOWNSEND CREEK           8700     7.2     5.6   129      8.4     7.0   120 
                                                -----                  -----
                Basin wide percent of average    159                    145 


BIGHORN BASIN

 BALD MTN.                9375    14.3    12.5   114     11.6    10.5   110 
 BEAR TRAP MEADOW         7900     5.3     4.4   120      6.0     5.0   120 
 BLACKWATER               9780    25.9    12.5   207     19.1    10.9   175 
 BONE SPRINGS DIV         9350    11.9     9.6   124     10.7     8.4   127 
 EVENING STAR             9200    28.4    16.1   176       -M    13.6      *
 GRAVE SPRINGS            8550     8.6      -M      *     8.3     5.9   141 
 KIRWIN                   9550    11.0     6.1   180     11.9     6.2   192 
 LOST CREEK               8080    10.3     7.3   141     11.1     7.0   159 
 MARQUETTE                8760     7.2     4.7   153      7.5     5.4   139 
 MIDDLE POWDER            7760    10.8     7.1   152     10.1     7.1   142 
 OWL CREEK                8975      -M     2.5      *     4.5     3.4   132 
 POWDER RIVER PASS        9480     7.1     6.3   113      8.1     6.9   117 
 SHELL CREEK              9580    11.2     9.3   120      8.8     7.9   111 
 SYLVAN LAKE              8420    21.8    13.4   163     19.9    11.9   167 
 SYLVAN ROAD              8120    13.4     7.4   181     19.4     9.9   196 
 TIMBER CREEK             7950     4.1     3.2   128      4.6     3.9   118 
 YOUNTS PEAK              8350    15.6    11.0   142     19.3    10.0   193 
                                                -----                  -----
                Basin wide percent of average    151                    150 


SHOSHONE RIVER

 BLACKWATER               9780    25.9    12.5   207     19.1    10.9   175 
 EVENING STAR             9200    28.4    16.1   176       -M    13.6      *
 KIRWIN                   9550    11.0     6.1   180     11.9     6.2   192 
 MARQUETTE                8760     7.2     4.7   153      7.5     5.4   139 
 SYLVAN LAKE              8420    21.8    13.4   163     19.9    11.9   167 
 SYLVAN ROAD              8120    13.4     7.4   181     19.4     9.9   196 
 YOUNTS PEAK              8350    15.6    11.0   142     19.3    10.0   193 
                                                -----                  -----
                Basin wide percent of average    173                    179 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     5.3     4.4   120      6.0     5.0   120 
 BONE SPRINGS DIV         9350    11.9     9.6   124     10.7     8.4   127 
 BURGESS JUNCTION         7880     8.5     6.8   125      9.0     6.5   138 
 CLOUD PEAK RESERVOIR     9860    12.2     7.1   172      9.9     7.3   136 
 DOME LAKE                8880     8.1     8.0   101      8.8     8.0   110 
 GRAVE SPRINGS            8550     8.6      -M      *     8.3     5.9   141 
 HANSEN SAWMILL           8760     4.6     4.1   112      5.3     4.6   115 
 LOST CREEK               8080    10.3     7.3   141     11.1     7.0   159 
 MIDDLE POWDER            7760    10.8     7.1   152     10.1     7.1   142 
 POWDER RIVER PASS        9480     7.1     6.3   113      8.1     6.9   117 
 SUCKER CREEK             8880     9.6     6.6   145      9.9     7.8   127 
 TIE CREEK                6870     5.7      -M      *     8.0     6.3   127 
                                                -----                  -----
                Basin wide percent of average    131                    130 


BELLE FOURCHE

 BLIND PARK               6890     7.6     6.5   117     11.8     5.6   211 
 NORTH RAPID CREEK        6130     7.6      -M      *    10.5      -M      *
 WARREN PEAK              6520    13.3     6.5   205       -M     4.7      *
                                                -----                  -----
                Basin wide percent of average    161                    211*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    15.8    13.7   115     22.4    14.2   158 
 DIVIDE PEAK              8800    17.0    12.0   142     17.6    14.5   121 
 ELK RIVER                8700    19.4    10.9   178     18.7    11.1   168 
 JOE WRIGHT              10120    17.0    12.7   134     21.3    14.6   146 
 NORTH FRENCH CREEK      10100    23.4    14.3   164     21.5    13.5   159 
 OLD BATTLE              10000    28.8    18.3   157     27.0    17.4   155 
 SOUTH BRUSH CREEK        8400      -M     6.3      *    12.8    10.4   123 
 TOWER                   10500    40.5    26.2   155     34.6    21.2   163 
 WEBBER SPRINGS           9200    21.5    15.5   139     25.1    15.3   164 
 WILLOW CREEK PASS        9540    13.1     6.7   196     10.5     7.1   148 
                                                -----                  -----
                Basin wide percent of average    151                    152 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.2    14.6   159       -M    10.7      *
 CASPER MTN.              7900    13.1     8.6   152     13.0     8.0   163 
 CHRISTINA LAKE           9980    14.7     9.3   158     17.0     9.9   172 
 DEADMAN HILL            10220    10.8    10.0   108     12.1     9.2   132 
 LAPRELE CREEK            8320    10.2     5.9   173      9.7     6.6   147 
 RENO HILL                8400    11.4     7.6   150     12.7    10.7   119 
 ROACH                    9700    15.3     9.8   156     15.8    12.7   124 
 SAND LAKE               10080    24.7    18.9   131     19.6    11.6   169 
 SOUTH PASS               9040      -M    10.2      *    18.4     9.7   190 
 WINDY PEAK               7840     6.6     3.9   169      8.4     5.2   162 
                                                -----                  -----
                Basin wide percent of average    147                    152 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.7     6.5   180     13.5     9.6   141 
 DIVIDE PEAK              8800    17.0    12.0   142     17.6    14.5   121 
 OLD BATTLE              10000    28.8    18.3   157     27.0    17.4   155 
 SANDSTONE RS             8150    14.0     8.2   171     16.3    11.6   141 
 WHISKEY PARK             8950    26.0    16.4   159     23.7    16.8   141 
                                                -----                  -----
                Basin wide percent of average    159                    140 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    14.3     8.3   172     13.1    10.5   125 
 BLIND BULL SUM           8650    28.3    16.7   169     20.5    14.5   141 
 EAST RIM DIVIDE          7930    11.7     8.0   146     12.5     9.7   129 
 ELKHART PARK G.S.        9400    14.2     7.8   182     14.1    10.3   137 
 GROS VENTRE SUMMIT       8775    15.3     9.3   165     13.1    10.2   128 
 KENDALL R.S.             7740    16.9     8.6   197     17.7     9.9   179 
 LOOMIS PARK              8240    17.1    10.0   171     17.8    12.1   147 
 NEW FORK LAKE            8340    11.1     6.7   166     10.4     9.3   112 
 SNIDER BASIN             8250    15.9     8.5   187     14.1     9.7   145 
 SPRING CREEK DIVIDE      9000    26.3    15.7   168     20.1    17.0   118 
 TRIPLE PEAK              8500    24.5    15.0   163     26.1    20.0   131 
                                                -----                  -----
                Basin wide percent of average    171                    135 


LOWER GREEN RIVER

 HAMS FORK                7840    12.3     6.8   181     11.2     8.6   130 
 HEWINTA                  9500     9.0     5.4   167      9.6     7.6   126 
 HICKERSON PARK           9150     5.2     3.1   168      6.6     5.5   120 
 HOLE-IN-ROCK             9150     5.9     2.8   211      6.8     5.5   124 
 INDIAN CREEK             9425    28.2    15.7   180     19.9    16.1   124 
 KELLEY R.S.              8180    17.9     9.2   195     21.3    12.0   178 
 STEEL CREEK PARK        10100    11.0     8.9   124     10.9     7.9   138 
                                                -----                  -----
                Basin wide percent of average    172                    137 


UPPER BEAR RIVER

 BUG LAKE                 7950    21.6    11.5   188     21.8    11.5   190 
 HAYDEN FORK              9400    13.9     9.1   153     18.2    10.7   170 
 KELLEY R.S.              8180    17.9     9.2   195     21.3    12.0   178 
 LILY LAKE                9050    12.6     7.5   168     13.9     8.6   162 
 MONTE CRISTO             8960    28.4    15.2   187     23.8    14.9   160 
 SALT RIVER SUMMIT        7600    15.2     7.6   200     16.8    10.8   156 
 TRIAL LAKE               9960    24.5    14.2   173       -M    13.6      *
                                                -----                  -----
                Basin wide percent of average    180                    169 

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


-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.