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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 11:18p, 5/20/18
Temperature 46.7°F
Wind 0.0 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 WEDNESDAY: APRIL 23 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    28.7    13.3   216     37.6    24.6   153 
 COTTONWOOD CREEK         7600    30.6    21.7   141     35.6    27.5   129 
 GRANITE CREEK            6770    26.8    15.4   174     34.4    26.1   132 
 GRASSY LAKE              7265    47.6    35.9   133     58.1    40.9   142 
 GROS VENTRE SUMMIT       8775    23.1    15.0   154     22.3    17.6   127 
 LEWIS LAKE DIVIDE        7860    52.6    35.6   148     60.4    41.6   145 
 PHILLIPS BENCH           8200    40.4    30.2   134     48.9    32.8   149 
 SALT RIVER SUMMIT        7600    20.6    12.3   167     25.2    18.7   135 
 SNAKE RIVER STATION      6920    25.3    17.5   145     38.8    28.7   135 
 SPRING CREEK DIVIDE      9000    38.8    29.5   132     34.6    30.1   115 
 THUMB DIVIDE             7980    31.4    16.2   194     35.2    23.0   153 
 TOGWOTEE PASS            9580    36.3    27.7   131     36.5    31.1   117 
 TWO OCEAN PLATEAU        9360    48.4    27.1   179       -M    33.8      *
 WILLOW CREEK             8450    41.0    31.8   129     46.9    35.3   133 
                                                -----                  -----
                Basin wide percent of average    149                    136 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    35.8    25.8   139     32.2    20.4   158 
 BLACK BEAR               7950      -M    40.0      *      -M    45.1      *
 CANYON                   7940    22.8    12.2   187       -M    15.8      *
 FISHER CREEK             9100    58.7    38.3   153       -M    40.8      *
 MADISON PLATEAU          7750    45.0    24.7   182     44.3    29.0   153 
 NORTHEAST ENTRANCE       7350    10.3     7.5   137     21.2    13.4   158 
 PARKER PEAK              9400    34.3    23.4   147       -M    17.5      *
 SYLVAN LAKE              8420    31.9    23.9   133     34.9    21.5   162 
 THUMB DIVIDE             7980    31.4    16.2   194     35.2    23.0   153 
 TWO OCEAN PLATEAU        9360    48.4    27.1   179       -M    33.8      *
 WHISKEY CREEK            6800    24.4    16.7   146     33.5    24.2   138 
 WHITE MILL               8700    40.8    26.1   156       -M    31.6      *
 WOLVERINE                7650    12.9    10.0   129     17.0    14.6   116 
                                                -----                  -----
                Basin wide percent of average    157                    149 


WIND RIVER

 BURROUGHS CREEK          8750    24.5    14.1   174     27.6    18.7   148 
 CHRISTINA LAKE           9980    20.8    17.4   120     24.8    19.2   129 
 COLD SPRINGS             9630     8.5     7.8   109     13.7    12.4   110 
 HOBBS PARK              10100    19.3    17.2   112     15.8    16.5    96 
 LITTLE WARM              9620    18.2    12.0   152     21.7    15.5   140 
 SOUTH PASS               9040    25.5    17.9   142     26.3    19.7   134 
 ST. LAWRENCE ALT         8620     8.5     6.2   137     12.8    11.9   108 
 TOGWOTEE PASS            9580    36.3    27.7   131     36.5    31.1   117 
 TOWNSEND CREEK           8700    10.0    10.0   100     13.9    14.7    95 
                                                -----                  -----
                Basin wide percent of average    132                    121 


BIGHORN BASIN

 BALD MTN.                9375    24.7    23.2   106     20.7    19.9   104 
 BEAR TRAP MEADOW         7900     6.2     5.6   111     11.2    10.0   112 
 BLACKWATER               9780    41.0    25.2   163     31.5    19.9   158 
 BONE SPRINGS DIV         9350    20.6    18.2   113     19.5    17.3   113 
 EVENING STAR             9200    43.5    30.0   145     42.8    25.0   171 
 GRAVE SPRINGS            8550    12.9      -M      *    13.0    11.7   111 
 KIRWIN                   9550    16.3    11.4   143     17.7    12.6   140 
 LOST CREEK               8080    18.8    15.5   121     18.0    14.1   128 
 MARQUETTE                8760    13.0     8.7   149     13.7    12.4   110 
 MIDDLE POWDER            7760    18.6    14.2   131     16.7    14.0   119 
 OWL CREEK                8975     6.6     4.1   161      7.3     7.6    96 
 POWDER RIVER PASS        9480      -M    11.1      *    15.5    13.8   112 
 SHELL CREEK              9580    19.8    16.6   119     16.9    15.2   111 
 SYLVAN LAKE              8420    31.9    23.9   133     34.9    21.5   162 
 SYLVAN ROAD              8120    18.6     9.4   198     28.6    18.0   159 
 TIMBER CREEK             7950     6.5     6.3   103      9.2     9.2   100 
 YOUNTS PEAK              8350    24.6    18.3   134       -M    18.6      *
                                                -----                  -----
                Basin wide percent of average    135                    131 


SHOSHONE RIVER

 BLACKWATER               9780    41.0    25.2   163     31.5    19.9   158 
 EVENING STAR             9200    43.5    30.0   145     42.8    25.0   171 
 KIRWIN                   9550    16.3    11.4   143     17.7    12.6   140 
 MARQUETTE                8760    13.0     8.7   149     13.7    12.4   110 
 SYLVAN LAKE              8420    31.9    23.9   133     34.9    21.5   162 
 SYLVAN ROAD              8120    18.6     9.4   198     28.6    18.0   159 
 YOUNTS PEAK              8350    24.6    18.3   134       -M    18.6      *
                                                -----                  -----
                Basin wide percent of average    149                    155 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     6.2     5.6   111     11.2    10.0   112 
 BONE SPRINGS DIV         9350    20.6    18.2   113     19.5    17.3   113 
 BURGESS JUNCTION         7880    16.2    13.2   123     15.8    13.6   116 
 CLOUD PEAK RESERVOIR     9860    20.0    17.2   116     17.7    16.1   110 
 DOME LAKE                8880    15.3    14.9   103     16.9    15.5   109 
 GRAVE SPRINGS            8550    12.9      -M      *    13.0    11.7   111 
 HANSEN SAWMILL           8760     5.6     7.2    78      9.8     9.7   101 
 LOST CREEK               8080    18.8    15.5   121     18.0    14.1   128 
 MIDDLE POWDER            7760    18.6    14.2   131     16.7    14.0   119 
 POWDER RIVER PASS        9480      -M    11.1      *    15.5    13.8   112 
 SUCKER CREEK             8880    17.6    13.6   129     18.3    15.6   117 
 TIE CREEK                6870     7.0      -M      *    14.9    13.1   114 
                                                -----                  -----
                Basin wide percent of average    116                    114 


BELLE FOURCHE

 BLIND PARK               6890     8.6    10.6    81     17.8    12.8   139 
 NORTH RAPID CREEK        6130    10.6      -M      *    16.3      -M      *
 WARREN PEAK              6520    20.3    10.6   192       -M     9.7      *
                                                -----                  -----
                Basin wide percent of average    136                    139*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    28.7    23.2   124     34.9    27.1   129 
 DIVIDE PEAK              8800    27.5    20.6   133     27.2    26.1   104 
 ELK RIVER                8700    27.8    18.3   152     28.2    21.3   132 
 JOE WRIGHT              10120    31.1    24.4   127     33.5    28.9   116 
 NORTH FRENCH CREEK      10100    37.5    28.8   130     32.0    26.8   119 
 OLD BATTLE              10000    44.1    37.0   119     41.6    34.2   122 
 SOUTH BRUSH CREEK        8400    12.2    11.8   103     19.3    19.5    99 
 TOWER                   10500    58.6    50.1   117     53.7    41.3   130 
 WEBBER SPRINGS           9200    32.2    27.3   118     38.9    29.2   133 
 WILLOW CREEK PASS        9540    22.6    13.5   167     18.3    14.7   124 
                                                -----                  -----
                Basin wide percent of average    126                    122 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    39.4    28.9   136     31.3    22.6   138 
 CASPER MTN.              7900    23.6    18.4   128     23.1    17.5   132 
 CHRISTINA LAKE           9980    20.8    17.4   120     24.8    19.2   129 
 DEADMAN HILL            10220    19.8    18.5   107     21.3    19.9   107 
 LAPRELE CREEK            8320    14.4     8.2   176     16.3    13.9   117 
 RENO HILL                8400    24.7    14.5   170     23.2    21.5   108 
 ROACH                    9700    25.8    18.1   143     25.0    24.5   102 
 SAND LAKE               10080    41.5    36.5   114     32.7    23.6   139 
 SOUTH PASS               9040    25.5    17.9   142     26.3    19.7   134 
 WINDY PEAK               7840     8.9     8.6   103     13.1    11.5   114 
                                                -----                  -----
                Basin wide percent of average    131                    122 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     9.8     7.9   124     30.3    17.6   172 
 DIVIDE PEAK              8800    27.5    20.6   133     27.2    26.1   104 
 OLD BATTLE              10000    44.1    37.0   119     41.6    34.2   122 
 SANDSTONE RS             8150    15.4    12.6   122     23.4    21.8   107 
 WHISKEY PARK             8950    40.8    30.2   135     36.6    32.5   113 
                                                -----                  -----
                Basin wide percent of average    127                    120 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    19.1    14.7   130     18.2    18.0   101 
 BLIND BULL SUM           8650    42.6    26.9   158     34.8    26.3   132 
 EAST RIM DIVIDE          7930    17.0    14.9   114     18.1    16.8   108 
 ELKHART PARK G.S.        9400    18.8    14.5   130     19.4    17.7   110 
 GROS VENTRE SUMMIT       8775    23.1    15.0   154     22.3    17.6   127 
 KENDALL R.S.             7740    20.9    11.8   177     24.5    17.1   143 
 LOOMIS PARK              8240      -M    16.0      *    28.5    20.8   137 
 NEW FORK LAKE            8340    13.6     9.9   137     14.0    16.0    88 
 SNIDER BASIN             8250    21.1    14.2   149     20.5    16.7   123 
 SPRING CREEK DIVIDE      9000    38.8    29.5   132     34.6    30.1   115 
 TRIPLE PEAK              8500    33.9    25.9   131     40.8    34.1   120 
                                                -----                  -----
                Basin wide percent of average    140                    119 


LOWER GREEN RIVER

 HAMS FORK                7840    12.7     5.7   223     16.1    14.8   109 
 HEWINTA                  9500     9.7     7.2   135     15.8    15.4   103 
 HICKERSON PARK           9150    11.5     4.8   240     11.6    11.6   100 
 HOLE-IN-ROCK             9150     9.3     4.2   221     12.1    11.6   104 
 INDIAN CREEK             9425    40.8    29.6   138     33.4    28.5   117 
 KELLEY R.S.              8180    22.7    16.3   139     31.8    20.7   154 
 STEEL CREEK PARK        10100    18.2    18.4    99     18.0    15.2   118 
                                                -----                  -----
                Basin wide percent of average    145                    118 


UPPER BEAR RIVER

 BUG LAKE                 7950    31.8    18.0   177     30.9    21.8   142 
 HAYDEN FORK              9400    15.1     8.7   174     27.0    22.0   123 
 KELLEY R.S.              8180    22.7    16.3   139     31.8    20.7   154 
 LILY LAKE                9050    16.8    10.8   156     21.1    17.1   123 
 MONTE CRISTO             8960    37.8    27.8   136     34.9    29.1   120 
 SALT RIVER SUMMIT        7600    20.6    12.3   167     25.2    18.7   135 
 TRIAL LAKE               9960    35.6    25.0   142     36.0    27.2   132 
                                                -----                  -----
                Basin wide percent of average    152                    132 

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


-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.