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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 8:23p, 8/20/18
Temperature 60.9°F
Wind 7.0 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 17 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    12.9     4.3   298     30.9    26.7   116 
 COTTONWOOD CREEK         7600    23.9    12.5   193     36.7    29.7   124 
 GRANITE CREEK            6770    13.2     6.8   198     27.7    28.4    98 
 GRASSY LAKE              7265    39.8    25.5   157     49.7    44.3   113 
 GROS VENTRE SUMMIT       8775      -M     9.0      *      -M    19.2      *
 LEWIS LAKE DIVIDE        7860    39.3    28.5   138     46.0    45.0   103 
 PHILLIPS BENCH           8200    33.3    24.4   137     37.3    35.5   105 
 SALT RIVER SUMMIT        7600    11.9      .0      *    22.9    20.4   112 
 SNAKE RIVER STATION      6920    11.1    10.2   109     30.4    31.0    98 
 SPRING CREEK DIVIDE      9000    38.3    25.2   152     36.3    32.4   113 
 THUMB DIVIDE             7980      -M    10.0      *      -M    24.9      *
 TOGWOTEE PASS            9580      -M    25.9      *    35.8    33.8   106 
 TWO OCEAN PLATEAU        9360    42.9    25.9   166     37.2    36.8   102 
 WILLOW CREEK             8450    33.0    26.9   124     49.0    38.3   129 
                                                -----                  -----
                Basin wide percent of average    152                    110 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    29.0    24.4   120     28.0    23.2   121 
 BLACK BEAR               7950    58.3    35.9   163     55.4    48.8   114 
 CANYON                   7940    13.4     6.0   222     22.7    17.7   129 
 FISHER CREEK             9100    42.9    36.8   117     43.8    44.8    98 
 MADISON PLATEAU          7750      -M    17.7      *    39.0    31.7   124 
 NORTHEAST ENTRANCE       7350     2.4     2.4   100     17.7    15.4   116 
 PARKER PEAK              9400    27.9    22.4   125       -M    20.0      *
 SYLVAN LAKE              8420    25.4    19.9   128     33.9    24.4   139 
 THUMB DIVIDE             7980      -M    10.0      *      -M    24.9      *
 TWO OCEAN PLATEAU        9360    42.9    25.9   166     37.2    36.8   102 
 WHISKEY CREEK            6800      -M     8.6      *      -M    26.4      *
 WHITE MILL               8700    31.4    24.4   130     30.0    34.8    87 
 WOLVERINE                7650      .7     2.8    26     15.7    16.7    95 
                                                -----                  -----
                Basin wide percent of average    137                    111 


WIND RIVER

 BURROUGHS CREEK          8750    19.0     6.5   297     23.5    21.0   112 
 COLD SPRINGS             9630    18.7     2.7   716     24.7    14.7   169 
 DEER PARK                9700    27.2      -M      *    34.2      -M      *
 HOBBS PARK              10100      -M    16.2      *    29.2    19.2   152 
 LITTLE WARM              9620    20.4     5.0   417     25.0    17.9   140 
 SOUTH PASS               9040    24.7    15.9   157     31.0    22.4   139 
 ST. LAWRENCE ALT         8620    12.2     2.3   555     21.5    13.7   157 
 TOGWOTEE PASS            9580      -M    25.9      *    35.8    33.8   106 
 TOWNSEND CREEK           8700    18.4     5.6   327     26.4    17.2   154 
                                                -----                  -----
                Basin wide percent of average    302                    136 


BIGHORN BASIN

 BALD MTN.                9375    26.5    23.9   112     25.9    23.2   112 
 BEAR TRAP MEADOW         7900      -M     1.4      *    18.0    12.5   146 
 BLACKWATER               9780    37.3    24.2   155     31.0    22.4   139 
 BONE SPRINGS DIV         9350    23.7    15.7   151     25.4    20.4   126 
 EVENING STAR             9200    37.3    29.9   126     41.0    28.0   147 
 GRAVE SPRINGS            8550    11.4    10.0   114     18.9    14.5   131 
 KIRWIN                   9550    18.0     9.6   188     21.4    14.9   145 
 MARQUETTE                8760    19.2     7.3   266     21.7    15.5   140 
 MIDDLE POWDER            7760    17.7    12.7   140     23.2    16.7   140 
 OWL CREEK                8975    11.4      .0  1256     15.4     9.5   162 
 POWDER RIVER PASS        9480    13.5     5.8   236     22.9    16.7   138 
 SHELL CREEK              9580    20.5    16.4   126     21.4    18.0   119 
 SYLVAN LAKE              8420    25.4    19.9   128     33.9    24.4   139 
 SYLVAN ROAD              8120      -M     3.8      *      -M    20.4      *
 TIMBER CREEK             7950    11.5     2.3   501     18.4    12.0   154 
 YOUNTS PEAK              8350    21.2    15.1   141     22.7    20.9   109 
                                                -----                  -----
                Basin wide percent of average    153                    135 


SHOSHONE RIVER

 BLACKWATER               9780    37.3    24.2   155     31.0    22.4   139 
 EVENING STAR             9200    37.3    29.9   126     41.0    28.0   147 
 KIRWIN                   9550    18.0     9.6   188     21.4    14.9   145 
 MARQUETTE                8760    19.2     7.3   266     21.7    15.5   140 
 SYLVAN LAKE              8420    25.4    19.9   128     33.9    24.4   139 
 SYLVAN ROAD              8120      -M     3.8      *      -M    20.4      *
 YOUNTS PEAK              8350    21.2    15.1   141     22.7    20.9   109 
                                                -----                  -----
                Basin wide percent of average    150                    137 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      -M     1.4      *    18.0    12.5   146 
 BIG GOOSE                7990    10.5      -M      *    19.4      -M      *
 BONE SPRINGS DIV         9350    23.7    15.7   151     25.4    20.4   126 
 BURGESS JUNCTION         7880    12.5    10.1   124     18.7    16.2   115 
 CLOUD PEAK RESERVOIR     9860    25.2    15.2   166     25.7    19.4   133 
 DOME LAKE                8880      -M     9.6      *    18.7    18.4   102 
 GRAVE SPRINGS            8550    11.4    10.0   114     18.9    14.5   131 
 HANSEN SAWMILL           8760     4.3     3.8   117     18.0    11.7   154 
 MIDDLE POWDER            7760    17.7    12.7   140     23.2    16.7   140 
 POWDER RIVER PASS        9480    13.5     5.8   236     22.9    16.7   138 
 SUCKER CREEK             8880    16.2     9.9   166     23.2    18.7   125 
 TIE CREEK                6870     4.5      -M      *    19.2    15.5   124 
                                                -----                  -----
                Basin wide percent of average    150                    129 


BELLE FOURCHE

 BLIND PARK               6890      .5     4.1    10     20.4    16.2   127 
 NORTH RAPID CREEK        6130      .0      -M      *    17.7      -M      *
 WARREN PEAK              6520      .7     4.1    18       -M    12.0      *
                                                -----                  -----
                Basin wide percent of average     14                    127*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    12.5    12.9    98     29.9    29.7   101 
 DIVIDE PEAK              8800    20.4    11.5   179     32.8    29.2   113 
 ELK RIVER                8700    10.9     7.6   143     29.7    23.4   127 
 JOE WRIGHT              10120    24.2    23.0   106     34.3    32.8   105 
 NORTH FRENCH CREEK      10100    42.0    26.0   162     40.5    30.4   134 
 OLD BATTLE              10000    41.4    35.4   117     48.3    37.8   128 
 SOUTH BRUSH CREEK        8400    10.0     5.5   184     27.2    22.0   124 
 TOWER                   10500      -M    50.2      *      -M    46.5      *
 WEBBER SPRINGS           9200    20.7    19.4   107     34.9    32.3   109 
 WILLOW CREEK PASS        9540    14.7     9.9   150     16.5    16.9    98 
                                                -----                  -----
                Basin wide percent of average    131                    116 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    27.9    23.5   119     32.9    25.7   129 
 CASPER MTN.              7900    11.6    10.4   113     23.9    21.0   114 
 DEADMAN HILL            10220    21.4    17.7   121     24.9    23.0   108 
 DEER PARK                9700    27.2      -M      *    34.2      -M      *
 LAPRELE CREEK            8320      .0     3.3     0     21.4    16.5   130 
 RENO HILL                8400    13.0     8.0   163     27.0    23.4   116 
 ROACH                    9700      -M    15.0      *    26.7    28.2    96 
 SAND LAKE               10080    46.3    34.3   136     39.2    26.7   147 
 SOUTH PASS               9040    24.7    15.9   157     31.0    22.4   139 
 WINDY PEAK               7840      .2     3.2     4     18.7    14.1   132 
                                                -----                  -----
                Basin wide percent of average    126                    123 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100*    23.9    19.9   121 
 DIVIDE PEAK              8800    20.4    11.5   179     32.8    29.2   113 
 OLD BATTLE              10000    41.4    35.4   117     48.3    37.8   128 
 SANDSTONE RS             8150     2.9     2.2   139     27.2    24.7   111 
 WHISKEY PARK             8950    31.9    23.9   134     39.4    36.3   109 
                                                -----                  -----
                Basin wide percent of average    133                    117 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100      -M     8.7      *      -M    19.7      *
 BLIND BULL SUM           8650    33.7    21.7   155     28.5    28.4   101 
 EAST RIM DIVIDE          7930    14.5    12.1   120     18.4    18.4   100 
 ELKHART PARK G.S.        9400    16.0     9.2   174     19.7    19.4   103 
 GROS VENTRE SUMMIT       8775      -M     9.0      *      -M    19.2      *
 KENDALL R.S.             7740     9.1      .0      *    20.4    18.7   110 
 LOOMIS PARK              8240      -M    10.0      *    25.2    22.7   112 
 NEW FORK LAKE            8340    10.4     5.5   188     16.4    17.4    95 
 SNIDER BASIN             8250    16.7     7.5   223     23.2    18.4   127 
 SPRING CREEK DIVIDE      9000    38.3    25.2   152     36.3    32.4   113 
 TRIPLE PEAK              8500    30.7    20.5   150     39.2    37.0   106 
                                                -----                  -----
                Basin wide percent of average    158                    107 


LOWER GREEN RIVER

 HAMS FORK                7840     5.0      .0      *    18.4    16.2   115 
 HEWINTA                  9500    13.5      .0      *    20.5    17.7   116 
 HICKERSON PARK           9150     5.1      .6   850*    15.5    13.9   112 
 HOLE-IN-ROCK             9150     8.4      .5  1661*    16.0    13.9   116 
 INDIAN CREEK             9425    38.7    24.2   161     34.8    30.9   113 
 KELLEY R.S.              8180    15.1     9.0   170     24.7    22.7   109 
 STEEL CREEK PARK        10100    23.4    16.2   146     24.7    18.2   136 
                                                -----                  -----
                Basin wide percent of average    181*                   116 


UPPER BEAR RIVER

 BUG LAKE                 7950    23.9     9.2   260     29.5    23.9   124 
 HAYDEN FORK              9400    14.9      .7  2115*    29.0    24.7   118 
 KELLEY R.S.              8180    15.1     9.0   170     24.7    22.7   109 
 LILY LAKE                9050    13.5     5.3   260     25.5    19.7   130 
 MONTE CRISTO             8960    39.8    20.5   195     38.4    32.2   120 
 SALT RIVER SUMMIT        7600    11.9      .0      *    22.9    20.4   112 
 TRIAL LAKE               9960    28.9    20.0   145     31.7    30.2   105 
                                                -----                  -----
                Basin wide percent of average    211                    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.