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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 3:48a, 5/20/18
Temperature 37.1°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 MONDAY: MAY 19 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    11.5     3.7   311     39.2    26.8   146 
 COTTONWOOD CREEK         7600    18.0    10.7   168     40.1    29.9   134 
 GRANITE CREEK            6770    14.5     6.0   242     35.8    28.5   126 
 GRASSY LAKE              7265    30.5    23.6   129     61.7    44.5   139 
 GROS VENTRE SUMMIT       8775    14.6     7.7   190     23.4    19.3   121 
 LEWIS LAKE DIVIDE        7860    41.4    27.3   152     64.5    45.2   143 
 PHILLIPS BENCH           8200    33.9    23.5   144     51.2    35.6   144 
 SALT RIVER SUMMIT        7600     3.5      .0      *    27.1    20.5   132 
 SNAKE RIVER STATION      6920     2.5     8.8    28     41.4    31.2   133 
 SPRING CREEK DIVIDE      9000    28.0    24.4   115     37.6    32.5   116 
 THUMB DIVIDE             7980    14.7     8.6   171     37.9    25.1   151 
 TOGWOTEE PASS            9580    29.3    25.4   115     40.2    33.9   119 
 TWO OCEAN PLATEAU        9360    42.0    25.4   165       -M    36.8      *
 WILLOW CREEK             8450    31.6    25.8   122     53.8    38.4   140 
                                                -----                  -----
                Basin wide percent of average    141                    135 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      -M    23.6      *    35.4    23.4   151 
 BLACK BEAR               7950      -M    34.8      *      -M    48.9      *
 CANYON                   7940    10.3     5.3   194     29.9    17.8   168 
 FISHER CREEK             9100    55.5    36.1   154       -M    45.0      *
 MADISON PLATEAU          7750    27.6    16.2   170     46.5    31.9   146 
 NORTHEAST ENTRANCE       7350     1.0     2.0    50     23.6    15.4   153 
 PARKER PEAK              9400    31.5    21.7   145       -M    20.1      *
 SYLVAN LAKE              8420      -M    19.1      *    37.5    24.6   152 
 THUMB DIVIDE             7980    14.7     8.6   171     37.9    25.1   151 
 TWO OCEAN PLATEAU        9360    42.0    25.4   165       -M    36.8      *
 WHISKEY CREEK            6800    12.9     7.5   172     35.6    26.5   134 
 WHITE MILL               8700    36.2    23.6   153       -M    34.9      *
 WOLVERINE                7650      -M     2.3      *    19.2    16.9   114 
                                                -----                  -----
                Basin wide percent of average    158                    146 


WIND RIVER

 BURROUGHS CREEK          8750    15.3     5.7   268     29.3    21.2   138 
 CHRISTINA LAKE           9980    17.4    15.4   113     27.9    22.1   126 
 COLD SPRINGS             9630      -M     2.2      *    16.9    14.8   114 
 HOBBS PARK              10100    18.1    15.1   120     19.7    19.4   102 
 LITTLE WARM              9620     8.1     4.3   188     25.7    18.0   143 
 SOUTH PASS               9040    18.4    15.0   123     30.3    22.6   134 
 ST. LAWRENCE ALT         8620      -M     1.9      *    16.4    13.8   119 
 TOGWOTEE PASS            9580    29.3    25.4   115     40.2    33.9   119 
 TOWNSEND CREEK           8700     2.9     5.1    57     18.4    17.3   106 
                                                -----                  -----
                Basin wide percent of average    127                    123 


BIGHORN BASIN

 BALD MTN.                9375    21.9    23.0    95     23.0    23.4    98 
 BEAR TRAP MEADOW         7900      .0     1.1     0     13.3    12.5   106 
 BLACKWATER               9780    38.6    23.4   165     34.4    22.6   152 
 BONE SPRINGS DIV         9350    19.0    14.6   130     21.8    20.5   106 
 EVENING STAR             9200    37.4    29.2   128     46.9    28.2   166 
 GRAVE SPRINGS            8550     4.6      -M      *    14.8    14.6   101 
 KIRWIN                   9550     9.5     8.9   107     20.5    15.0   137 
 LOST CREEK               8080    16.3    11.8   138     20.8    17.2   121 
 MARQUETTE                8760     8.3     6.8   122     16.5    15.7   105 
 MIDDLE POWDER            7760    10.5    11.3    93     18.9    16.8   112 
 OWL CREEK                8975      .2      .8    25      9.6     9.6   100 
 POWDER RIVER PASS        9480    11.7     5.0   234     18.8    16.7   113 
 SHELL CREEK              9580    14.9    15.6    96     19.9    18.2   109 
 SYLVAN LAKE              8420      -M    19.1      *    37.5    24.6   152 
 SYLVAN ROAD              8120      .8     3.3    24     30.7    20.5   150 
 TIMBER CREEK             7950      .0     2.0     0     11.6    12.2    95 
 YOUNTS PEAK              8350    19.6    14.2   138       -M    21.0      *
                                                -----                  -----
                Basin wide percent of average    122                    125 


SHOSHONE RIVER

 BLACKWATER               9780    38.6    23.4   165     34.4    22.6   152 
 EVENING STAR             9200    37.4    29.2   128     46.9    28.2   166 
 KIRWIN                   9550     9.5     8.9   107     20.5    15.0   137 
 MARQUETTE                8760     8.3     6.8   122     16.5    15.7   105 
 SYLVAN LAKE              8420      -M    19.1      *    37.5    24.6   152 
 SYLVAN ROAD              8120      .8     3.3    24     30.7    20.5   150 
 YOUNTS PEAK              8350    19.6    14.2   138       -M    21.0      *
                                                -----                  -----
                Basin wide percent of average    133                    147 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .0     1.1     0     13.3    12.5   106 
 BONE SPRINGS DIV         9350    19.0    14.6   130     21.8    20.5   106 
 BURGESS JUNCTION         7880    11.0     9.0   122     18.1    16.3   111 
 CLOUD PEAK RESERVOIR     9860    18.2    14.3   127     21.3    19.5   109 
 DOME LAKE                8880     9.8     8.8   111     20.5    18.6   110 
 GRAVE SPRINGS            8550     4.6      -M      *    14.8    14.6   101 
 HANSEN SAWMILL           8760      .3     3.2     9     12.8    11.9   108 
 LOST CREEK               8080    16.3    11.8   138     20.8    17.2   121 
 MIDDLE POWDER            7760    10.5    11.3    93     18.9    16.8   112 
 POWDER RIVER PASS        9480    11.7     5.0   234     18.8    16.7   113 
 SUCKER CREEK             8880    14.1     9.0   157     22.1    18.8   118 
 TIE CREEK                6870      .1      -M      *    18.1    15.7   115 
                                                -----                  -----
                Basin wide percent of average    126                    111 


BELLE FOURCHE

 BLIND PARK               6890      .0     3.5     0     20.1    16.4   123 
 NORTH RAPID CREEK        6130      .0      -M      *    18.5      -M      *
 WARREN PEAK              6520     7.5     3.5   214       -M    12.0      *
                                                -----                  -----
                Basin wide percent of average    107                    123*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    11.4    11.4   100     38.7    29.7   130 
 DIVIDE PEAK              8800    11.5    10.2   113     29.3    29.3   100 
 ELK RIVER                8700     8.9     6.5   137     31.1    23.5   132 
 JOE WRIGHT              10120    27.1    22.1   123     38.0    33.0   115 
 NORTH FRENCH CREEK      10100    31.9    25.2   127     36.6    30.5   120 
 OLD BATTLE              10000    43.7    33.9   129     46.7    38.0   123 
 SOUTH BRUSH CREEK        8400      .0     4.7     0     21.9    22.2    99 
 TOWER                   10500    58.9    49.3   119     59.8    46.8   128 
 WEBBER SPRINGS           9200    21.5    18.1   119     42.7    32.4   132 
 WILLOW CREEK PASS        9540    16.7     8.7   192     20.6    17.1   120 
                                                -----                  -----
                Basin wide percent of average    122                    121 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    27.7    22.1   125     35.1    25.7   137 
 CASPER MTN.              7900    15.0     9.4   160     27.4    21.2   129 
 CHRISTINA LAKE           9980    17.4    15.4   113     27.9    22.1   126 
 DEADMAN HILL            10220    17.9    16.6   108     24.8    23.1   107 
 LAPRELE CREEK            8320      .2     2.8     7     18.4    16.7   110 
 RENO HILL                8400    14.3     7.3   196     26.7    23.5   114 
 ROACH                    9700    17.8    14.0   127     28.2    28.4    99 
 SAND LAKE               10080    42.2    32.9   128     36.8    26.9   137 
 SOUTH PASS               9040    18.4    15.0   123     30.3    22.6   134 
 WINDY PEAK               7840      .2     2.7     7     14.3    14.2   101 
                                                -----                  -----
                Basin wide percent of average    124                    120 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .2      .0      *      -M    19.9      *
 DIVIDE PEAK              8800    11.5    10.2   113     29.3    29.3   100 
 OLD BATTLE              10000    43.7    33.9   129     46.7    38.0   123 
 SANDSTONE RS             8150      .0     1.8     0     26.2    24.7   106 
 WHISKEY PARK             8950    33.9    22.2   153     41.2    36.5   113 
                                                -----                  -----
                Basin wide percent of average    131                    112 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     4.1     7.5    55     19.7    19.7   100 
 BLIND BULL SUM           8650    45.7    21.0   218     37.2    28.4   131 
 EAST RIM DIVIDE          7930     7.6    11.4    67     18.8    18.4   102 
 ELKHART PARK G.S.        9400     8.8     8.5   104     21.3    19.4   110 
 GROS VENTRE SUMMIT       8775    14.6     7.7   190     23.4    19.3   121 
 KENDALL R.S.             7740     4.8      .0      *    25.3    18.8   135 
 LOOMIS PARK              8240      -M     8.6      *    30.1    22.8   132 
 NEW FORK LAKE            8340      .1     4.7     2     16.0    17.5    91 
 SNIDER BASIN             8250     5.9     6.5    91     21.8    18.4   118 
 SPRING CREEK DIVIDE      9000    28.0    24.4   115     37.6    32.5   116 
 TRIPLE PEAK              8500    21.0    19.7   107     44.0    37.2   118 
                                                -----                  -----
                Basin wide percent of average    122                    117 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0   100*    19.0    16.2   117 
 HEWINTA                  9500      .0      .0   100*    17.3    17.9    97 
 HICKERSON PARK           9150      .0      .5     0*    12.4    14.0    89 
 HOLE-IN-ROCK             9150      .1      .4    25*    12.9    14.0    92 
 INDIAN CREEK             9425    30.9    23.1   134     36.9    31.0   119 
 KELLEY R.S.              8180     8.3     7.6   109     35.1    22.8   154 
 STEEL CREEK PARK        10100    14.0    15.5    90     19.9    18.2   109 
                                                -----                  -----
                Basin wide percent of average    113*                   114 


UPPER BEAR RIVER

 BUG LAKE                 7950    18.7     8.3   225     34.3    23.9   144 
 HAYDEN FORK              9400      .4      .5    80*    30.1    24.9   121 
 KELLEY R.S.              8180     8.3     7.6   109     35.1    22.8   154 
 LILY LAKE                9050      .2     4.6     4     23.8    19.8   120 
 MONTE CRISTO             8960    26.9    19.1   141     39.3    32.3   122 
 SALT RIVER SUMMIT        7600     3.5      .0      *    27.1    20.5   132 
 TRIAL LAKE               9960    24.7    18.9   131     39.2    30.3   129 
                                                -----                  -----
                Basin wide percent of average    134                    131 

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


-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.