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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 3:13a, 5/23/18
Temperature 43.8°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 SATURDAY: MAY 15 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    12.6     5.0   258     30.2    26.5   114 
 COTTONWOOD CREEK         7600    23.7    14.1   169     36.3    29.7   123 
 GRANITE CREEK            6770    13.5     7.5   182     27.5    28.2    98 
 GRASSY LAKE              7265    39.3    27.4   144     48.7    43.9   111 
 GROS VENTRE SUMMIT       8775      -M    10.2      *      -M    19.2      *
 LEWIS LAKE DIVIDE        7860    38.5    29.7   130     45.3    44.8   102 
 PHILLIPS BENCH           8200    33.8    25.4   133     36.9    35.3   105 
 SALT RIVER SUMMIT        7600    11.9      .2 11801*    22.5    20.2   112 
 SNAKE RIVER STATION      6920    11.4    11.6    98     29.7    30.9    96 
 SPRING CREEK DIVIDE      9000    37.8    26.2   145     35.8    32.3   112 
 THUMB DIVIDE             7980    17.4    11.4   154     26.5    24.9   107 
 TOGWOTEE PASS            9580      -M    26.2      *    34.5    33.5   103 
 TWO OCEAN PLATEAU        9360    41.8    26.4   158     36.2    36.4   100 
 WILLOW CREEK             8450    32.8    27.9   118     48.3    38.0   127 
                                                -----                  -----
                Basin wide percent of average    148                    108 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    29.4    25.0   118     27.7    23.0   121 
 BLACK BEAR               7950    57.4    37.2   155     54.8    48.4   114 
 CANYON                   7940    13.1     6.6   199     22.4    17.5   128 
 FISHER CREEK             9100    42.8    37.5   115     43.5    44.4    98 
 MADISON PLATEAU          7750      -M    19.0      *    38.8    31.5   123 
 NORTHEAST ENTRANCE       7350     2.7     2.8    97     17.5    15.1   116 
 PARKER PEAK              9400    27.2    22.9   120       -M    19.7      *
 SYLVAN LAKE              8420    24.4    20.7   118     32.8    24.2   136 
 THUMB DIVIDE             7980    17.4    11.4   154     26.5    24.9   107 
 TWO OCEAN PLATEAU        9360    41.8    26.4   158     36.2    36.4   100 
 WHISKEY CREEK            6800    19.2     9.6   199     29.9    26.2   115 
 WHITE MILL               8700    31.4    25.0   126     29.7    34.5    87 
 WOLVERINE                7650      .7     3.2    23     15.5    16.7    94 
                                                -----                  -----
                Basin wide percent of average    135                    110 


WIND RIVER

 BURROUGHS CREEK          8750    17.9     7.0   256     22.4    20.9   107 
 COLD SPRINGS             9630    18.2     2.9   625     24.0    14.5   166 
 DEER PARK                9700    26.9      -M      *    33.5      -M      *
 HOBBS PARK              10100    30.4    17.0   179     28.2    19.0   149 
 LITTLE WARM              9620    20.2     5.5   368     24.5    17.7   139 
 SOUTH PASS               9040    24.7    16.7   149     30.7    22.2   139 
 ST. LAWRENCE ALT         8620    12.0     2.5   481     21.4    13.6   157 
 TOGWOTEE PASS            9580      -M    26.2      *    34.5    33.5   103 
 TOWNSEND CREEK           8700    18.0     6.1   296     26.0    17.0   153 
                                                -----                  -----
                Basin wide percent of average    246                    134 


BIGHORN BASIN

 BALD MTN.                9375    25.7    24.5   105     25.2    22.9   111 
 BEAR TRAP MEADOW         7900     1.2     1.5    74     16.9    12.1   139 
 BLACKWATER               9780    35.8    24.9   144     29.7    22.2   134 
 BONE SPRINGS DIV         9350    22.7    16.7   136     24.4    20.0   122 
 EVENING STAR             9200    37.3    30.4   123     40.3    27.9   145 
 GRAVE SPRINGS            8550    11.1    11.1   100     18.4    14.2   130 
 KIRWIN                   9550    17.4    10.2   170     20.7    14.7   141 
 MARQUETTE                8760    17.4     7.8   226     20.0    15.4   131 
 MIDDLE POWDER            7760    17.4    14.1   124     23.2    16.4   142 
 OWL CREEK                8975    10.5     1.2   946     14.5     9.4   156 
 POWDER RIVER PASS        9480    12.9     6.3   204     22.2    16.4   136 
 SHELL CREEK              9580    20.2    17.0   119     21.0    17.7   119 
 SYLVAN LAKE              8420    24.4    20.7   118     32.8    24.2   136 
 SYLVAN ROAD              8120     7.0     4.1   171     22.2    20.2   110 
 TIMBER CREEK             7950    10.2     2.5   409     16.9    11.9   144 
 YOUNTS PEAK              8350    20.9    16.0   132     21.9    20.7   106 
                                                -----                  -----
                Basin wide percent of average    140                    130 


SHOSHONE RIVER

 BLACKWATER               9780    35.8    24.9   144     29.7    22.2   134 
 EVENING STAR             9200    37.3    30.4   123     40.3    27.9   145 
 KIRWIN                   9550    17.4    10.2   170     20.7    14.7   141 
 MARQUETTE                8760    17.4     7.8   226     20.0    15.4   131 
 SYLVAN LAKE              8420    24.4    20.7   118     32.8    24.2   136 
 SYLVAN ROAD              8120     7.0     4.1   171     22.2    20.2   110 
 YOUNTS PEAK              8350    20.9    16.0   132     21.9    20.7   106 
                                                -----                  -----
                Basin wide percent of average    141                    130 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     1.2     1.5    74     16.9    12.1   139 
 BIG GOOSE                7990    10.0      -M      *    18.9      -M      *
 BONE SPRINGS DIV         9350    22.7    16.7   136     24.4    20.0   122 
 BURGESS JUNCTION         7880    11.6    11.2   104     17.9    16.0   112 
 CLOUD PEAK RESERVOIR     9860    24.7    16.2   153     25.2    19.0   133 
 DOME LAKE                8880      -M    10.5      *    18.2    18.2   100 
 GRAVE SPRINGS            8550    11.1    11.1   100     18.4    14.2   130 
 HANSEN SAWMILL           8760     3.8     4.1    91     17.2    11.6   149 
 MIDDLE POWDER            7760    17.4    14.1   124     23.2    16.4   142 
 POWDER RIVER PASS        9480    12.9     6.3   204     22.2    16.4   136 
 SUCKER CREEK             8880    15.1    10.5   144     22.0    18.4   120 
 TIE CREEK                6870     3.3      -M      *    18.0    15.4   118 
                                                -----                  -----
                Basin wide percent of average    131                    126 


BELLE FOURCHE

 BLIND PARK               6890      .5     4.8     9     20.0    15.9   127 
 NORTH RAPID CREEK        6130      .0      -M      *    17.5      -M      *
 WARREN PEAK              6520     1.0     4.8    22       -M    11.7      *
                                                -----                  -----
                Basin wide percent of average     15                    127*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    14.0    14.2    99     29.7    29.4   102 
 DIVIDE PEAK              8800    20.2    12.5   162     32.8    28.9   114 
 ELK RIVER                8700    11.5     8.6   133     29.5    23.2   128 
 JOE WRIGHT              10120    23.9    23.9   101     33.9    32.4   105 
 NORTH FRENCH CREEK      10100    41.4    26.9   155     40.3    30.0   135 
 OLD BATTLE              10000    41.2    37.0   112     48.2    37.5   129 
 SOUTH BRUSH CREEK        8400    10.2     6.0   170     26.7    21.9   122 
 TOWER                   10500      -M    50.9      *      -M    46.2      *
 WEBBER SPRINGS           9200    20.9    20.7   102     34.8    32.2   109 
 WILLOW CREEK PASS        9540    15.2    10.9   141     16.5    16.9    99 
                                                -----                  -----
                Basin wide percent of average    124                    116 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    28.5    25.0   115     32.7    25.4   129 
 CASPER MTN.              7900    12.5    11.2   112     23.9    20.7   115 
 DEADMAN HILL            10220    21.9    18.7   117     24.4    22.7   108 
 DEER PARK                9700    26.9      -M      *    33.5      -M      *
 LAPRELE CREEK            8320      .0     3.5     0     21.0    16.4   129 
 RENO HILL                8400    14.0     8.7   161     26.9    23.4   116 
 ROACH                    9700      -M    16.2      *    26.4    27.9    95 
 SAND LAKE               10080    46.3    35.5   131     38.8    26.5   147 
 SOUTH PASS               9040    24.7    16.7   149     30.7    22.2   139 
 WINDY PEAK               7840      .2     3.7     3     18.4    13.9   134 
                                                -----                  -----
                Basin wide percent of average    121                    123 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .2     0*    23.9    19.7   122 
 DIVIDE PEAK              8800    20.2    12.5   162     32.8    28.9   114 
 OLD BATTLE              10000    41.2    37.0   112     48.2    37.5   129 
 SANDSTONE RS             8150     3.8     2.4   155     26.9    24.4   111 
 WHISKEY PARK             8950    31.7    25.4   125     39.2    36.0   109 
                                                -----                  -----
                Basin wide percent of average    125                    117 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    15.0    10.0   152     19.5    19.5   100 
 BLIND BULL SUM           8650    33.3    22.5   148     28.2    28.2   100 
 EAST RIM DIVIDE          7930    14.5    12.9   113     18.0    18.2    99 
 ELKHART PARK G.S.        9400    16.0    10.0   162     19.4    19.2   102 
 GROS VENTRE SUMMIT       8775      -M    10.2      *      -M    19.2      *
 KENDALL R.S.             7740     8.9      .0      *    20.0    18.7   108 
 LOOMIS PARK              8240      -M    11.5      *    24.9    22.5   111 
 NEW FORK LAKE            8340    10.4     6.3   164     16.2    17.4    94 
 SNIDER BASIN             8250    16.9     8.6   196     22.9    18.2   126 
 SPRING CREEK DIVIDE      9000    37.8    26.2   145     35.8    32.3   112 
 TRIPLE PEAK              8500    30.7    21.4   144     38.7    36.8   105 
                                                -----                  -----
                Basin wide percent of average    149                    106 


LOWER GREEN RIVER

 HAMS FORK                7840     5.5      .2  5401*    18.4    16.0   115 
 HEWINTA                  9500    13.0      .0      *    20.4    17.7   116 
 HICKERSON PARK           9150     4.5      .7   629*    15.4    13.7   112 
 HOLE-IN-ROCK             9150     8.0      .5  1600*    16.0    13.7   117 
 INDIAN CREEK             9425    38.7    25.0   155     34.4    30.7   113 
 KELLEY R.S.              8180    15.0    10.1   148     24.4    22.5   109 
 STEEL CREEK PARK        10100    23.4    16.7   140     24.5    17.9   138 
                                                -----                  -----
                Basin wide percent of average    179*                   117 


UPPER BEAR RIVER

 BUG LAKE                 7950    23.7    10.2   232     29.4    23.7   124 
 HAYDEN FORK              9400    14.1      .9  1763*    29.0    24.5   119 
 KELLEY R.S.              8180    15.0    10.1   148     24.4    22.5   109 
 LILY LAKE                9050    13.1     5.8   226     25.4    19.5   131 
 MONTE CRISTO             8960    40.3    22.0   184     37.9    31.9   119 
 SALT RIVER SUMMIT        7600    11.9      .2 11801*    22.5    20.2   112 
 TRIAL LAKE               9960    28.9    21.2   137     31.5    29.9   106 
                                                -----                  -----
                Basin wide percent of average    210                    117 

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


-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.