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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 11:18a, 5/20/18
Temperature 52.8°F
Wind 3.0 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 9 , 1998 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     5.3     7.3    73     22.9    25.9    88 
 COTTONWOOD CREEK         7600    11.0    16.6    66     26.3    28.9    91 
 GRANITE CREEK            6770     7.9     9.7    81     22.4    27.6    81 
 GRASSY LAKE              7265    21.7    30.1    72     38.5    43.0    90 
 GROS VENTRE SUMMIT       8775     9.0    11.7    77     15.1    18.6    81 
 LEWIS LAKE DIVIDE        7860    23.4    31.7    74     35.3    43.8    81 
 PHILLIPS BENCH           8200    22.9    27.1    85     29.2    34.5    85 
 SALT RIVER SUMMIT        7600     5.1     4.6   111     21.3    19.8   108 
 SNAKE RIVER STATION      6920      -M    13.6      *      -M    30.2      *
 SPRING CREEK DIVIDE      9000    19.8    27.5    72     24.8    31.6    78 
 THUMB DIVIDE             7980      -M    12.9      *      -M    24.2      *
 TOGWOTEE PASS            9580    23.1    27.0    86     26.8    32.8    82 
 TWO OCEAN PLATEAU        9360    27.8    26.9   103     30.4    35.7    85 
 WILLOW CREEK             8450    17.8    29.6    60     35.4    37.2    95 
                                                -----                  -----
                Basin wide percent of average     78                     87 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    16.9    25.4    67     18.3    22.2    82 
 BLACK BEAR               7950    34.9    38.2    91     39.9    47.6    84 
 CANYON                   7940     4.9     8.4    58     16.3    17.0    96 
 FISHER CREEK             9100    27.7    38.0    73     30.9    43.4    71 
 MADISON PLATEAU          7750    16.0    21.0    76     25.7    30.8    83 
 NORTHEAST ENTRANCE       7350      .0     4.0     0     12.7    14.6    87 
 PARKER PEAK              9400    15.2    23.1    66     18.0    19.1    94 
 SYLVAN LAKE              8420    13.0    22.0    59     22.7    23.3    97 
 THUMB DIVIDE             7980      -M    12.9      *      -M    24.2      *
 TWO OCEAN PLATEAU        9360    27.8    26.9   103     30.4    35.7    85 
 WHISKEY CREEK            6800    10.9    11.9    92     21.1    25.6    82 
 WHITE MILL               8700    20.4    25.5    80     23.1    33.6    69 
 WOLVERINE                7650      .0     5.2     0       -M    15.9      *
                                                -----                  -----
                Basin wide percent of average     75                     83 


WIND RIVER

 BURROUGHS CREEK          8750    12.9     9.5   136     19.6    20.2    97 
 COLD SPRINGS             9630     6.3     4.5   140     15.2    13.9   109 
 DEER PARK                9700      -M      -M      *    25.1      -M      *
 HOBBS PARK              10100    19.1    17.4   110     19.2    18.2   105 
 LITTLE WARM              9620     6.6     7.5    88     16.0    17.1    94 
 SOUTH PASS               9040    13.8    17.2    80     21.7    21.5   101 
 ST. LAWRENCE ALT         8620     5.8     3.7   157     13.7    13.1   105 
 TOGWOTEE PASS            9580    23.1    27.0    86     26.8    32.8    82 
 TOWNSEND CREEK           8700     9.1     7.6   120     17.7    16.3   109 
                                                -----                  -----
                Basin wide percent of average    102                     98 


BIGHORN BASIN

 BALD MTN.                9375    19.5    24.3    80     20.4    22.0    93 
 BEAR TRAP MEADOW         7900      .0     2.6     0     11.7    11.5   102 
 BLACKWATER               9780    20.1    25.2    80     20.5    21.5    95 
 BONE SPRINGS DIV         9350    16.8    17.4    97     19.8    19.2   103 
 EVENING STAR             9200    19.1    30.5    63     27.2    26.9   101 
 GRAVE SPRINGS            8550     8.9      -M      *    14.3    13.4   107 
 KIRWIN                   9550    10.8    10.8   100     16.4    14.0   117 
 MARQUETTE                8760    10.9     8.0   136     16.5    14.5   114 
 MIDDLE POWDER            7760     9.1    14.3    64     13.5    15.7    86 
 OWL CREEK                8975     1.8     2.0    90      9.8     8.8   111 
 POWDER RIVER PASS        9480     9.6     8.0   120     16.5    15.6   106 
 SHELL CREEK              9580    13.2    17.0    78     13.8    16.9    82 
 SYLVAN LAKE              8420    13.0    22.0    59     22.7    23.3    97 
 SYLVAN ROAD              8120      .1     5.7     2     15.2    19.4    78 
 TIMBER CREEK             7950     3.9     4.0    98     12.7    11.0   115 
 YOUNTS PEAK              8350    13.7    16.9    81     17.0    20.1    85 
                                                -----                  -----
                Basin wide percent of average     77                     98 


SHOSHONE RIVER

 BLACKWATER               9780    20.1    25.2    80     20.5    21.5    95 
 EVENING STAR             9200    19.1    30.5    63     27.2    26.9   101 
 KIRWIN                   9550    10.8    10.8   100     16.4    14.0   117 
 MARQUETTE                8760    10.9     8.0   136     16.5    14.5   114 
 SYLVAN LAKE              8420    13.0    22.0    59     22.7    23.3    97 
 SYLVAN ROAD              8120      .1     5.7     2     15.2    19.4    78 
 YOUNTS PEAK              8350    13.7    16.9    81     17.0    20.1    85 
                                                -----                  -----
                Basin wide percent of average     74                     97 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .0     2.6     0     11.7    11.5   102 
 BONE SPRINGS DIV         9350    16.8    17.4    97     19.8    19.2   103 
 BURGESS JUNCTION         7880     9.8    12.1    81     15.2    15.3    99 
 CLOUD PEAK RESERVOIR     9860    15.6    16.8    93     20.0    18.2   110 
 DOME LAKE                8880      -M    12.3      *    16.6    17.4    95 
 GRAVE SPRINGS            8550     8.9      -M      *    14.3    13.4   107 
 HANSEN SAWMILL           8760     3.3     5.2    63     13.9    11.0   126 
 MIDDLE POWDER            7760     9.1    14.3    64     13.5    15.7    86 
 POWDER RIVER PASS        9480     9.6     8.0   120     16.5    15.6   106 
 SUCKER CREEK             8880     9.2    11.9    77     17.0    17.5    97 
 TIE CREEK                6870      .2      -M      *    16.3    14.6   112 
                                                -----                  -----
                Basin wide percent of average     83                    103 


BELLE FOURCHE

 BLIND PARK               6890      -M     6.7      *    14.4    14.9    97 
 NORTH RAPID CREEK        6130      .1      -M      *    12.0      -M      *
 WARREN PEAK              6520      -M     6.7      *      -M    11.1      *
                                                -----                  -----
                Basin wide percent of average       *                    97*


UPPER N. PLATTE RIVER

 COLUMBINE                9400     7.9    17.5    45     26.1    28.8    91 
 DIVIDE PEAK              8800    13.8    15.4    90     23.4    28.2    83 
 ELK RIVER                8700     7.8    11.8    66     22.8    22.7   100 
 JOE WRIGHT              10120    22.1    24.1    92     29.0    31.5    92 
 NORTH FRENCH CREEK      10100    32.0    27.9   115     34.3    29.1   118 
 OLD BATTLE              10000    35.4    37.5    94     39.9    36.7   109 
 SOUTH BRUSH CREEK        8400     1.5     7.9    19     15.3    21.3    72 
 TOWER                   10500    53.3    50.9   105     46.7    44.8   104 
 WEBBER SPRINGS           9200    16.6    22.9    72     29.3    31.4    93 
 WILLOW CREEK PASS        9540     9.4    11.9    79     10.1    16.1    63 
                                                -----                  -----
                Basin wide percent of average     88                     95 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    22.4    26.6    84     26.5    24.7   107 
 CASPER MTN.              7900     4.8    14.0    34     15.1    19.9    76 
 DEADMAN HILL            10220    17.2    18.8    91     18.7    22.0    85 
 DEER PARK                9700      -M      -M      *    25.1      -M      *
 LAPRELE CREEK            8320      .0     4.6     0     12.7    15.6    81 
 RENO HILL                8400     4.0    10.7    37     13.6    22.9    59 
 ROACH                    9700    14.1    16.9    83     21.1    26.9    78 
 SAND LAKE               10080    30.8    36.2    85     28.7    25.7   112 
 SOUTH PASS               9040    13.8    17.2    80     21.7    21.5   101 
 WINDY PEAK               7840      .0     5.4     0     10.8    13.1    82 
                                                -----                  -----
                Basin wide percent of average     71                     88 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0     2.1     0     17.7    19.1    93 
 DIVIDE PEAK              8800    13.8    15.4    90     23.4    28.2    83 
 OLD BATTLE              10000    35.4    37.5    94     39.9    36.7   109 
 SANDSTONE RS             8150     2.8     5.5    51     22.2    23.8    93 
 WHISKEY PARK             8950    28.5    27.1   105     33.3    35.1    95 
                                                -----                  -----
                Basin wide percent of average     92                     96 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     8.8    11.6    76     14.6    19.0    77 
 BLIND BULL SUM           8650    22.0    22.5    98     21.1    27.6    76 
 EAST RIM DIVIDE          7930     9.0    13.6    66     13.5    17.8    76 
 ELKHART PARK G.S.        9400     8.1    11.6    70     15.7    18.7    84 
 GROS VENTRE SUMMIT       8775     9.0    11.7    77     15.1    18.6    81 
 KENDALL R.S.             7740     3.9     4.5    87     17.1    18.1    94 
 LOOMIS PARK              8240      -M    12.9      *    19.7    22.0    90 
 NEW FORK LAKE            8340     2.7     7.4    36     13.4    16.9    79 
 SNIDER BASIN             8250     8.4    10.4    81     14.9    17.7    84 
 SPRING CREEK DIVIDE      9000    19.8    27.5    72     24.8    31.6    78 
 TRIPLE PEAK              8500    13.0    22.8    57     24.8    36.0    69 
                                                -----                  -----
                Basin wide percent of average     73                     80 


LOWER GREEN RIVER

 HAMS FORK                7840      .3     2.4    12     13.3    15.6    85 
 HEWINTA                  9500     5.9     2.3   257     18.2    17.0   107 
 HICKERSON PARK           9150     8.0     1.6   500     16.8    13.0   129 
 HOLE-IN-ROCK             9150     4.3     1.3   331     14.3    13.0   110 
 INDIAN CREEK             9425    21.1    26.6    79     22.4    30.0    75 
 KELLEY R.S.              8180     7.6    12.1    63     18.6    21.9    85 
 STEEL CREEK PARK        10100    21.6    17.6   123     22.2    17.1   130 
                                                -----                  -----
                Basin wide percent of average    108                     99 


UPPER BEAR RIVER

 BUG LAKE                 7950    14.0    12.6   111     24.0    23.2   103 
 HAYDEN FORK              9400     7.4     3.2   231     24.9    23.8   105 
 KELLEY R.S.              8180     7.6    12.1    63     18.6    21.9    85 
 LILY LAKE                9050     8.8     7.0   126     21.7    18.8   115 
 MONTE CRISTO             8960    23.7    23.7   100     30.2    31.2    97 
 SALT RIVER SUMMIT        7600     5.1     4.6   111     21.3    19.8   108 
 TRIAL LAKE               9960    20.6    22.3    92     27.4    29.2    94 
                                                -----                  -----
                Basin wide percent of average    102                    100 

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


-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.