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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

At 8:53p, 5/20/18
Temperature 49.2°F
Wind 2.0 mph


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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: MAY 12 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.9     6.1   293     39.1    26.2   149 
 COTTONWOOD CREEK         7600    26.5    15.3   173     39.6    29.2   136 
 GRANITE CREEK            6770    20.0     8.5   235     35.7    27.9   128 
 GRASSY LAKE              7265    40.2    28.6   141     61.3    43.5   141 
 GROS VENTRE SUMMIT       8775    19.4    10.9   178     23.2    18.8   123 
 LEWIS LAKE DIVIDE        7860    50.8    30.6   166     63.8    44.2   144 
 PHILLIPS BENCH           8200    39.3    26.2   150     51.0    34.8   147 
 SALT RIVER SUMMIT        7600    12.4     2.3   539     26.7    20.0   134 
 SNAKE RIVER STATION      6920    12.3    12.6    98     40.9    30.5   134 
 SPRING CREEK DIVIDE      9000    33.0    26.8   123     37.4    31.9   117 
 THUMB DIVIDE             7980    21.6    12.0   180     37.1    24.5   151 
 TOGWOTEE PASS            9580    37.1    26.5   140     39.9    33.1   121 
 TWO OCEAN PLATEAU        9360    44.5    26.6   167       -M    36.0      *
 WILLOW CREEK             8450    39.9    28.7   139     53.5    37.5   143 
                                                -----                  -----
                Basin wide percent of average    159                    137 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      -M    25.1      *    35.3    22.5   157 
 BLACK BEAR               7950      -M    37.6      *      -M    48.0      *
 CANYON                   7940    16.7     7.4   226     29.6    17.2   172 
 FISHER CREEK             9100    56.3    37.7   149       -M    43.9      *
 MADISON PLATEAU          7750    35.3    19.9   177     46.2    31.1   149 
 NORTHEAST ENTRANCE       7350     2.6     3.3    79     23.4    14.8   158 
 PARKER PEAK              9400    37.4    22.9   163       -M    19.4      *
 SYLVAN LAKE              8420      -M    21.3      *    37.2    23.7   157 
 THUMB DIVIDE             7980    21.6    12.0   180     37.1    24.5   151 
 TWO OCEAN PLATEAU        9360    44.5    26.6   167       -M    36.0      *
 WHISKEY CREEK            6800    18.4    10.7   172     35.3    25.9   136 
 WHITE MILL               8700    41.1    25.2   163       -M    34.0      *
 WOLVERINE                7650     5.5     4.1   134     19.0    16.2   117 
                                                -----                  -----
                Basin wide percent of average    165                    150 


WIND RIVER

 BURROUGHS CREEK          8750    20.4     8.2   249     28.9    20.5   141 
 CHRISTINA LAKE           9980    21.2    17.3   123     27.9    21.3   131 
 COLD SPRINGS             9630     5.3     3.7   143     16.6    14.2   117 
 HOBBS PARK              10100    21.1    17.1   123     19.6    18.6   105 
 LITTLE WARM              9620    14.4     6.5   222     24.4    17.4   140 
 SOUTH PASS               9040    23.8    16.8   142     30.2    21.8   139 
 ST. LAWRENCE ALT         8620     7.2     3.0   240     16.4    13.3   123 
 TOGWOTEE PASS            9580    37.1    26.5   140     39.9    33.1   121 
 TOWNSEND CREEK           8700     9.6     6.8   141     18.3    16.6   110 
                                                -----                  -----
                Basin wide percent of average    151                    126 


BIGHORN BASIN

 BALD MTN.                9375    25.6    24.3   105     23.0    22.4   103 
 BEAR TRAP MEADOW         7900      -M     2.0      *    13.0    11.8   110 
 BLACKWATER               9780    42.0    25.0   168     34.2    21.8   157 
 BONE SPRINGS DIV         9350    21.2    17.0   125     21.4    19.6   109 
 EVENING STAR             9200    43.7    30.4   144     46.6    27.3   171 
 GRAVE SPRINGS            8550    10.1      -M      *    14.7    13.7   107 
 KIRWIN                   9550    14.7    10.4   141     20.4    14.3   143 
 LOST CREEK               8080    20.5    14.1   145     20.5    16.3   126 
 MARQUETTE                8760    12.1     7.8   155     16.3    14.8   110 
 MIDDLE POWDER            7760    15.9    14.2   112     18.8    16.0   118 
 OWL CREEK                8975      -M     1.5      *     9.5     9.0   106 
 POWDER RIVER PASS        9480    14.9     7.1   210     17.9    15.9   113 
 SHELL CREEK              9580      -M    17.0      *    19.4    17.3   112 
 SYLVAN LAKE              8420      -M    21.3      *    37.2    23.7   157 
 SYLVAN ROAD              8120     8.8     4.8   183     30.4    19.7   154 
 TIMBER CREEK             7950     1.5     3.2    47     11.5    11.3   102 
 YOUNTS PEAK              8350    23.3    16.3   143       -M    20.4      *
                                                -----                  -----
                Basin wide percent of average    140                    129 


SHOSHONE RIVER

 BLACKWATER               9780    42.0    25.0   168     34.2    21.8   157 
 EVENING STAR             9200    43.7    30.4   144     46.6    27.3   171 
 KIRWIN                   9550    14.7    10.4   141     20.4    14.3   143 
 MARQUETTE                8760    12.1     7.8   155     16.3    14.8   110 
 SYLVAN LAKE              8420      -M    21.3      *    37.2    23.7   157 
 SYLVAN ROAD              8120     8.8     4.8   183     30.4    19.7   154 
 YOUNTS PEAK              8350    23.3    16.3   143       -M    20.4      *
                                                -----                  -----
                Basin wide percent of average    153                    152 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      -M     2.0      *    13.0    11.8   110 
 BONE SPRINGS DIV         9350    21.2    17.0   125     21.4    19.6   109 
 BURGESS JUNCTION         7880    14.7    11.6   127     17.8    15.6   114 
 CLOUD PEAK RESERVOIR     9860    22.0    16.4   134     20.9    18.6   112 
 DOME LAKE                8880    14.2    11.3   126     19.8    17.7   112 
 GRAVE SPRINGS            8550    10.1      -M      *    14.7    13.7   107 
 HANSEN SAWMILL           8760     2.2     4.6    48     12.1    11.3   107 
 LOST CREEK               8080    20.5    14.1   145     20.5    16.3   126 
 MIDDLE POWDER            7760    15.9    14.2   112     18.8    16.0   118 
 POWDER RIVER PASS        9480    14.9     7.1   210     17.9    15.9   113 
 SUCKER CREEK             8880    18.7    11.2   167     21.7    17.9   121 
 TIE CREEK                6870     3.5      -M      *    17.8    14.9   119 
                                                -----                  -----
                Basin wide percent of average    134                    114 


BELLE FOURCHE

 BLIND PARK               6890     1.7     5.7    30     19.5    15.4   127 
 NORTH RAPID CREEK        6130     5.0      -M      *    18.4      -M      *
 WARREN PEAK              6520    15.2     5.7   267       -M    11.4      *
                                                -----                  -----
                Basin wide percent of average    148                    127*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    20.2    15.8   128     38.5    29.1   132 
 DIVIDE PEAK              8800    20.4    14.0   146     29.5    28.5   104 
 ELK RIVER                8700    17.3    10.2   170     30.7    23.0   133 
 JOE WRIGHT              10120    32.9    23.9   138     37.6    31.9   118 
 NORTH FRENCH CREEK      10100    37.6    27.3   138     36.3    29.5   123 
 OLD BATTLE              10000    46.7    37.2   126     46.5    37.1   125 
 SOUTH BRUSH CREEK        8400     3.4     6.9    49     21.7    21.6   100 
 TOWER                   10500    29.9    50.9    59     59.7    45.4   131 
 WEBBER SPRINGS           9200    29.1    21.7   134     42.5    31.7   134 
 WILLOW CREEK PASS        9540    21.0    11.3   186     20.4    16.4   124 
                                                -----                  -----
                Basin wide percent of average    118                    124 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    35.8    25.8   139     34.8    25.0   139 
 CASPER MTN.              7900    21.4    12.6   170     27.4    20.3   135 
 CHRISTINA LAKE           9980    21.2    17.3   123     27.9    21.3   131 
 DEADMAN HILL            10220    21.7    18.7   116     24.6    22.3   110 
 LAPRELE CREEK            8320     6.3     4.0   158     18.2    15.9   114 
 RENO HILL                8400    20.2     9.6   210     26.7    23.1   116 
 ROACH                    9700    24.5    16.5   148     27.8    27.4   101 
 SAND LAKE               10080    45.2    35.8   126     35.9    26.1   138 
 SOUTH PASS               9040    23.8    16.8   142     30.2    21.8   139 
 WINDY PEAK               7840      .2     4.4     5     14.0    13.4   104 
                                                -----                  -----
                Basin wide percent of average    136                    123 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .2     1.0    20*      -M    19.4      *
 DIVIDE PEAK              8800    20.4    14.0   146     29.5    28.5   104 
 OLD BATTLE              10000    46.7    37.2   126     46.5    37.1   125 
 SANDSTONE RS             8150     3.3     3.9    85     26.2    24.1   109 
 WHISKEY PARK             8950    41.5    26.2   158     41.1    35.5   116 
                                                -----                  -----
                Basin wide percent of average    136                    114 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    11.9    10.7   111     19.7    19.2   103 
 BLIND BULL SUM           8650    44.0    22.5   196     37.0    27.8   133 
 EAST RIM DIVIDE          7930    12.7    13.2    96     18.7    18.0   104 
 ELKHART PARK G.S.        9400    14.2    10.7   133     21.0    18.9   111 
 GROS VENTRE SUMMIT       8775    19.4    10.9   178     23.2    18.8   123 
 KENDALL R.S.             7740    11.9     2.3   517     25.0    18.3   137 
 LOOMIS PARK              8240      -M    12.1      *    29.8    22.3   134 
 NEW FORK LAKE            8340     5.8     6.8    85     15.6    17.1    91 
 SNIDER BASIN             8250    14.4     9.5   152     21.8    17.9   122 
 SPRING CREEK DIVIDE      9000    33.0    26.8   123     37.4    31.9   117 
 TRIPLE PEAK              8500    28.3    22.0   129     43.8    36.3   121 
                                                -----                  -----
                Basin wide percent of average    144                    119 


LOWER GREEN RIVER

 HAMS FORK                7840     4.5     1.2   375*    19.0    15.8   120 
 HEWINTA                  9500      .3     1.1    27*    17.2    17.3    99 
 HICKERSON PARK           9150      .9     1.1    82     12.4    13.3    93 
 HOLE-IN-ROCK             9150      .1      .9    11     12.8    13.3    96 
 INDIAN CREEK             9425    38.7    25.8   150     37.0    30.3   122 
 KELLEY R.S.              8180    16.1    11.1   145     35.2    22.2   159 
 STEEL CREEK PARK        10100    19.2    17.1   112     19.9    17.4   114 
                                                -----                  -----
                Basin wide percent of average    137                    118 


UPPER BEAR RIVER

 BUG LAKE                 7950    26.4    11.4   232     34.3    23.4   147 
 HAYDEN FORK              9400     8.0     2.0   400     29.9    24.1   124 
 KELLEY R.S.              8180    16.1    11.1   145     35.2    22.2   159 
 LILY LAKE                9050     6.6     6.3   105     23.7    19.1   124 
 MONTE CRISTO             8960    36.1    22.8   158     39.3    31.5   125 
 SALT RIVER SUMMIT        7600    12.4     2.3   539     26.7    20.0   134 
 TRIAL LAKE               9960    32.2    21.6   149     38.9    29.5   132 
                                                -----                  -----
                Basin wide percent of average    178                    134 

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


-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.