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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 9:08p, 5/20/18
Temperature 48.4°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 SUNDAY: MAY 23 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     7.5     2.7   285     30.9    27.2   114 
 COTTONWOOD CREEK         7600    18.4     7.5   245     36.7    30.4   121 
 GRANITE CREEK            6770     9.2     4.8   196     27.9    29.0    96 
 GRASSY LAKE              7265    36.0    20.2   180     49.8    45.2   111 
 GROS VENTRE SUMMIT       8775      -M     5.5      *      -M    19.7      *
 LEWIS LAKE DIVIDE        7860    36.3    25.0   146     46.3    45.8   101 
 PHILLIPS BENCH           8200    29.4    21.7   136     37.3    36.2   104 
 SALT RIVER SUMMIT        7600     4.5      .0      *    22.9    20.9   111 
 SNAKE RIVER STATION      6920     5.3     6.1    87     30.4    31.7    96 
 SPRING CREEK DIVIDE      9000    35.5    22.9   156     36.3    33.0   111 
 THUMB DIVIDE             7980    13.9     6.0   231     28.0    25.4   111 
 TOGWOTEE PASS            9580      -M    24.9      *    35.8    34.4   105 
 TWO OCEAN PLATEAU        9360    40.2    24.7   164     37.2    37.4   100 
 WILLOW CREEK             8450    29.2    23.9   123     49.0    38.9   126 
                                                -----                  -----
                Basin wide percent of average    158                    108 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    27.0    22.4   121     28.2    23.9   118 
 BLACK BEAR               7950    58.3    32.7   179     60.3    49.5   122 
 CANYON                   7940     9.5     4.3   227     22.9    18.2   126 
 FISHER CREEK             9100    39.3    34.8   113     43.9    45.8    97 
 MADISON PLATEAU          7750      -M    13.6      *    39.3    32.4   121 
 NORTHEAST ENTRANCE       7350      .0     1.5     0     17.9    15.9   113 
 PARKER PEAK              9400    24.9    20.9   120       -M    20.7      *
 SYLVAN LAKE              8420      -M    17.7      *      -M    25.2      *
 THUMB DIVIDE             7980    13.9     6.0   231     28.0    25.4   111 
 TWO OCEAN PLATEAU        9360    40.2    24.7   164     37.2    37.4   100 
 WHISKEY CREEK            6800    14.7     5.6   263     30.4    26.9   113 
 WHITE MILL               8700    28.5    22.4   128     30.2    35.5    86 
 WOLVERINE                7650      .0     1.7     0     15.5    17.4    90 
                                                -----                  -----
                Basin wide percent of average    146                    108 


WIND RIVER

 BURROUGHS CREEK          8750    16.5     4.6   359     23.5    21.7   109 
 COLD SPRINGS             9630    15.2     1.7   895     24.9    15.4   163 
 DEER PARK                9700    25.4      -M      *    34.2      -M      *
 HOBBS PARK              10100    29.5    13.5   221     29.2    19.9   147 
 LITTLE WARM              9620    16.4     3.3   513     25.2    18.5   136 
 SOUTH PASS               9040    21.4    13.5   159     31.2    23.2   136 
 ST. LAWRENCE ALT         8620     8.0     1.4   565     21.7    14.2   153 
 TOGWOTEE PASS            9580      -M    24.9      *    35.8    34.4   105 
 TOWNSEND CREEK           8700    14.5     4.1   354     26.7    17.9   150 
                                                -----                  -----
                Basin wide percent of average    290                    133 


BIGHORN BASIN

 BALD MTN.                9375    24.9    21.7   115     26.2    24.0   110 
 BEAR TRAP MEADOW         7900      .9      .9   100     18.2    13.0   141 
 BLACKWATER               9780    33.4    22.0   152     31.2    23.2   136 
 BONE SPRINGS DIV         9350    22.5    12.7   178     26.2    21.2   124 
 EVENING STAR             9200    34.5    28.2   123     41.2    28.9   143 
 GRAVE SPRINGS            8550     7.0     6.8   103     19.0    15.1   126 
 KIRWIN                   9550    16.4     7.8   211     21.7    15.5   141 
 MARQUETTE                8760    17.9     6.0   297     22.0    16.2   136 
 MIDDLE POWDER            7760    14.0     8.6   162     22.9    17.4   133 
 OWL CREEK                8975     8.0      .6  1334     15.5    10.0   156 
 POWDER RIVER PASS        9480    11.0     3.9   280     22.9    17.2   134 
 SHELL CREEK              9580    19.2    14.4   135     21.5    18.7   115 
 SYLVAN LAKE              8420      -M    17.7      *      -M    25.2      *
 SYLVAN ROAD              8120      -M     2.7      *      -M    20.9      *
 TIMBER CREEK             7950     8.5     1.5   567     18.4    12.7   145 
 YOUNTS PEAK              8350    19.7    12.7   155     22.9    21.5   107 
                                                -----                  -----
                Basin wide percent of average    161                    130 


SHOSHONE RIVER

 BLACKWATER               9780    33.4    22.0   152     31.2    23.2   136 
 EVENING STAR             9200    34.5    28.2   123     41.2    28.9   143 
 KIRWIN                   9550    16.4     7.8   211     21.7    15.5   141 
 MARQUETTE                8760    17.9     6.0   297     22.0    16.2   136 
 SYLVAN LAKE              8420      -M    17.7      *      -M    25.2      *
 SYLVAN ROAD              8120      -M     2.7      *      -M    20.9      *
 YOUNTS PEAK              8350    19.7    12.7   155     22.9    21.5   107 
                                                -----                  -----
                Basin wide percent of average    159                    133 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .9      .9   100     18.2    13.0   141 
 BIG GOOSE                7990     8.0      -M      *    19.7      -M      *
 BONE SPRINGS DIV         9350    22.5    12.7   178     26.2    21.2   124 
 BURGESS JUNCTION         7880    10.2     7.0   146     18.9    16.9   113 
 CLOUD PEAK RESERVOIR     9860    22.9    12.5   184     26.0    20.2   130 
 DOME LAKE                8880      -M     7.3      *    18.7    19.2    98 
 GRAVE SPRINGS            8550     7.0     6.8   103     19.0    15.1   126 
 HANSEN SAWMILL           8760      .3     2.5     9     18.0    12.4   147 
 MIDDLE POWDER            7760    14.0     8.6   162     22.9    17.4   133 
 POWDER RIVER PASS        9480    11.0     3.9   280     22.9    17.2   134 
 SUCKER CREEK             8880    14.1     7.5   189     23.4    19.4   121 
 TIE CREEK                6870      .9      -M      *    19.4    16.2   121 
                                                -----                  -----
                Basin wide percent of average    165                    125 


BELLE FOURCHE

 BLIND PARK               6890      .2     2.5     5     21.4    17.0   126 
 NORTH RAPID CREEK        6130      .0      -M      *    18.2      -M      *
 WARREN PEAK              6520      .0     2.5     0       -M    12.5      *
                                                -----                  -----
                Basin wide percent of average      3                    126*


UPPER N. PLATTE RIVER

 COLUMBINE                9400     4.8     8.9    54     30.2    30.2   101 
 DIVIDE PEAK              8800    12.4     8.0   154     32.8    29.9   110 
 ELK RIVER                8700     1.9     4.6    40     29.9    23.9   126 
 JOE WRIGHT              10120    21.7    20.7   105     34.4    33.7   103 
 NORTH FRENCH CREEK      10100    40.9    23.7   173     39.9    31.2   129 
 OLD BATTLE              10000    38.3    30.9   124     48.8    38.5   127 
 SOUTH BRUSH CREEK        8400     7.8     3.7   217     27.4    22.7   121 
 TOWER                   10500      -M    47.8      *      -M    47.8      *
 WEBBER SPRINGS           9200    14.5    15.9    92     35.3    32.9   107 
 WILLOW CREEK PASS        9540    11.1     6.8   164     17.2    17.5    98 
                                                -----                  -----
                Basin wide percent of average    125                    114 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    24.2    19.4   125     33.0    26.2   126 
 CASPER MTN.              7900     4.5     7.6    60     23.9    21.9   110 
 DEADMAN HILL            10220    18.4    14.7   126     24.9    23.7   106 
 DEER PARK                9700    25.4      -M      *    34.2      -M      *
 LAPRELE CREEK            8320      .0     2.3     0     22.0    17.2   128 
 RENO HILL                8400     7.1     6.0   119     27.2    23.9   114 
 ROACH                    9700      -M    12.0      *    26.9    29.0    93 
 SAND LAKE               10080    46.3    30.4   152     39.7    27.4   145 
 SOUTH PASS               9040    21.4    13.5   159     31.2    23.2   136 
 WINDY PEAK               7840      .0     1.9     0     19.0    14.7   130 
                                                -----                  -----
                Basin wide percent of average    128                    120 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .2      .0      *    24.0    20.4   119 
 DIVIDE PEAK              8800    12.4     8.0   154     32.8    29.9   110 
 OLD BATTLE              10000    38.3    30.9   124     48.8    38.5   127 
 SANDSTONE RS             8150      .0     1.4     0*    27.0    25.2   108 
 WHISKEY PARK             8950    26.9    19.2   141     39.7    37.2   107 
                                                -----                  -----
                Basin wide percent of average    131                    114 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    10.2     5.3   197     19.7    20.0    99 
 BLIND BULL SUM           8650    31.9    19.7   163     28.7    28.9   100 
 EAST RIM DIVIDE          7930    11.5    10.1   114     18.4    18.7    99 
 ELKHART PARK G.S.        9400    12.6     7.3   173     19.9    19.7   102 
 GROS VENTRE SUMMIT       8775      -M     5.5      *      -M    19.7      *
 KENDALL R.S.             7740     4.1      .0      *    20.5    19.2   108 
 LOOMIS PARK              8240      -M     6.0      *    25.4    23.2   110 
 NEW FORK LAKE            8340     5.8     3.3   173     17.0    17.9    96 
 SNIDER BASIN             8250    11.4     4.5   252     23.2    18.7   125 
 SPRING CREEK DIVIDE      9000    35.5    22.9   156     36.3    33.0   111 
 TRIPLE PEAK              8500    25.2    18.2   138     39.3    37.8   104 
                                                -----                  -----
                Basin wide percent of average    158                    105 


LOWER GREEN RIVER

 HAMS FORK                7840      .0      .0      *    18.4    16.5   111 
 HEWINTA                  9500     8.5      .0      *    20.5    18.4   113 
 HICKERSON PARK           9150      .0      .5     0*    15.5    14.5   108 
 HOLE-IN-ROCK             9150     1.5      .5   375*    16.0    14.5   111 
 INDIAN CREEK             9425    34.3    21.4   161     34.9    31.4   112 
 KELLEY R.S.              8180    10.0     5.3   187     24.9    23.2   108 
 STEEL CREEK PARK        10100    22.4    14.5   155     24.7    18.9   131 
                                                -----                  -----
                Basin wide percent of average    163*                   113 


UPPER BEAR RIVER

 BUG LAKE                 7950    16.7     6.5   257     29.7    24.4   123 
 HAYDEN FORK              9400     8.6      .5  2150*    29.4    25.4   116 
 KELLEY R.S.              8180    10.0     5.3   187     24.9    23.2   108 
 LILY LAKE                9050     8.2     3.5   235     25.5    20.4   126 
 MONTE CRISTO             8960    36.3    16.4   223     38.7    32.8   118 
 SALT RIVER SUMMIT        7600     4.5      .0      *    22.9    20.9   111 
 TRIAL LAKE               9960    25.2    16.9   150     31.7    30.9   103 
                                                -----                  -----
                Basin wide percent of average    215                    115 

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


-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.