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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 3:58a, 5/24/18
Temperature 44.6°F
Wind 2.0 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 FRIDAY: APRIL 30 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.4    11.1   157     29.2    25.2   116 
 COTTONWOOD CREEK         7600    23.9    20.4   118     32.0    28.2   114 
 GRANITE CREEK            6770    18.2    13.4   137     26.4    26.9    99 
 GRASSY LAKE              7265    41.8    34.3   123     45.0    41.8   108 
 GROS VENTRE SUMMIT       8775    17.2    14.1   122     18.0    18.2   100 
 LEWIS LAKE DIVIDE        7860    39.8    34.7   115     42.8    42.5   101 
 PHILLIPS BENCH           8200    37.5    29.7   127     35.4    33.7   106 
 SALT RIVER SUMMIT        7600    14.7    11.0   134     20.9    19.2   109 
 SNAKE RIVER STATION      6920    16.2    16.7    98     28.2    29.4    96 
 SPRING CREEK DIVIDE      9000    35.3    29.7   120     32.8    30.9   107 
 THUMB DIVIDE             7980    20.9    15.4   137     24.7    23.7   105 
 TOGWOTEE PASS            9580      -M    28.4      *    32.5    31.9   102 
 TWO OCEAN PLATEAU        9360    39.3    27.7   143     34.7    34.7   100 
 WILLOW CREEK             8450    33.2    31.9   104     43.2    36.2   120 
                                                -----                  -----
                Basin wide percent of average    123                    106 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    28.4    26.0   109     27.2    21.2   128 
 BLACK BEAR               7950      -M    39.9      *    49.3    46.4   107 
 CANYON                   7940    16.2    11.1   146     20.9    16.4   128 
 FISHER CREEK             9100      -M    38.8      *    41.0    42.2    98 
 MADISON PLATEAU          7750      -M    24.0      *    34.7    29.9   117 
 NORTHEAST ENTRANCE       7350     7.0     6.1   114     16.2    14.0   116 
 PARKER PEAK              9400    27.7    23.7   117       -M    18.2      *
 SYLVAN LAKE              8420    26.0    23.9   109     31.0    22.4   140 
 THUMB DIVIDE             7980    20.9    15.4   137     24.7    23.7   105 
 TWO OCEAN PLATEAU        9360    39.3    27.7   143     34.7    34.7   100 
 WHISKEY CREEK            6800    20.7    15.5   135     26.5    24.9   107 
 WHITE MILL               8700    30.4    26.4   116     28.0    32.5    87 
 WOLVERINE                7650     9.5     8.5   114     15.0    15.2    99 
                                                -----                  -----
                Basin wide percent of average    123                    108 


WIND RIVER

 BURROUGHS CREEK          8750    19.0    13.1   146     21.2    19.4   109 
 COLD SPRINGS             9630      -M     7.0      *      -M    13.1      *
 DEER PARK                9700    25.7      -M      *    31.4      -M      *
 HOBBS PARK              10100    28.7    18.0   159     25.7    17.2   149 
 LITTLE WARM              9620      -M    10.6      *      -M    16.4      *
 SOUTH PASS               9040    24.9    18.2   138     28.9    20.5   141 
 ST. LAWRENCE ALT         8620    14.5     5.6   259     20.2    12.5   161 
 TOGWOTEE PASS            9580      -M    28.4      *    32.5    31.9   102 
 TOWNSEND CREEK           8700    19.5     9.6   204     24.7    15.5   160 
                                                -----                  -----
                Basin wide percent of average    166                    131 


BIGHORN BASIN

 BALD MTN.                9375    22.2    24.0    93     21.7    20.7   105 
 BEAR TRAP MEADOW         7900     2.0     4.5    46     13.7    10.6   130 
 BLACKWATER               9780    35.0    25.7   137     28.7    20.7   139 
 BONE SPRINGS DIV         9350    20.5    18.4   112     21.4    18.2   118 
 EVENING STAR             9200    37.2    30.9   121     39.3    25.9   152 
 GRAVE SPRINGS            8550    11.5    11.6    99     16.4    12.5   132 
 KIRWIN                   9550    16.7    11.7   142     19.2    13.4   144 
 MARQUETTE                8760    17.4     8.7   199     18.5    13.5   139 
 MIDDLE POWDER            7760    17.0    14.9   115     21.5    14.9   146 
 OWL CREEK                8975      -M     3.5      *      -M     8.1      *
 POWDER RIVER PASS        9480    13.4    10.6   126     18.9    14.6   130 
 SHELL CREEK              9580    18.0    17.0   106     18.0    16.0   114 
 SYLVAN LAKE              8420    26.0    23.9   109     31.0    22.4   140 
 SYLVAN ROAD              8120    12.6     8.1   156     21.4    18.7   115 
 TIMBER CREEK             7950    10.5     6.1   171     15.0    10.0   150 
 YOUNTS PEAK              8350    21.9    18.4   119     21.2    19.4   110 
                                                -----                  -----
                Basin wide percent of average    121                    130 


SHOSHONE RIVER

 BLACKWATER               9780    35.0    25.7   137     28.7    20.7   139 
 EVENING STAR             9200    37.2    30.9   121     39.3    25.9   152 
 KIRWIN                   9550    16.7    11.7   142     19.2    13.4   144 
 MARQUETTE                8760    17.4     8.7   199     18.5    13.5   139 
 SYLVAN LAKE              8420    26.0    23.9   109     31.0    22.4   140 
 SYLVAN ROAD              8120    12.6     8.1   156     21.4    18.7   115 
 YOUNTS PEAK              8350    21.9    18.4   119     21.2    19.4   110 
                                                -----                  -----
                Basin wide percent of average    131                    135 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     2.0     4.5    46     13.7    10.6   130 
 BIG GOOSE                7990    10.7      -M      *    16.7      -M      *
 BONE SPRINGS DIV         9350    20.5    18.4   112     21.4    18.2   118 
 BURGESS JUNCTION         7880    11.6    13.5    86     15.5    14.5   108 
 CLOUD PEAK RESERVOIR     9860    23.5    17.7   133     22.5    17.0   133 
 DOME LAKE                8880      -M    15.0      *    16.2    16.4   100 
 GRAVE SPRINGS            8550    11.5    11.6    99     16.4    12.5   132 
 HANSEN SAWMILL           8760     6.8     7.0    98     14.7    10.4   143 
 MIDDLE POWDER            7760    17.0    14.9   115     21.5    14.9   146 
 POWDER RIVER PASS        9480    13.4    10.6   126     18.9    14.6   130 
 SUCKER CREEK             8880    14.7    13.9   107     19.0    16.4   116 
 TIE CREEK                6870      -M      -M      *      -M    13.9      *
                                                -----                  -----
                Basin wide percent of average    109                    124 


BELLE FOURCHE

 BLIND PARK               6890      .0     9.9     0     17.9    13.7   130 
 NORTH RAPID CREEK        6130     1.4      -M      *    16.4      -M      *
 WARREN PEAK              6520     7.8     9.9    80     13.1    10.4   128 
                                                -----                  -----
                Basin wide percent of average     40                    129 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    16.7    22.4    75     27.2    28.0    97 
 DIVIDE PEAK              8800    21.5    19.5   111     29.7    27.2   109 
 ELK RIVER                8700    14.7    16.5    90     26.5    22.2   120 
 JOE WRIGHT              10120    23.2    24.7    94     30.9    30.2   102 
 NORTH FRENCH CREEK      10100    38.3    29.4   130     36.8    27.9   132 
 OLD BATTLE              10000    36.5    38.2    96     43.0    35.7   121 
 SOUTH BRUSH CREEK        8400     9.5    10.9    88     22.9    20.5   112 
 TOWER                   10500    54.7    51.0   108     46.0    43.0   107 
 WEBBER SPRINGS           9200    21.4    26.2    82     31.4    30.5   103 
 WILLOW CREEK PASS        9540    15.0    13.5   111     14.5    15.5    95 
                                                -----                  -----
                Basin wide percent of average    100                    111 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.7    29.0    82     29.7    23.7   125 
 CASPER MTN.              7900    14.2    17.9    80     21.2    18.7   114 
 DEADMAN HILL            10220    20.7    19.2   109     22.2    21.0   106 
 DEER PARK                9700    25.7      -M      *    31.4      -M      *
 LAPRELE CREEK            8320      .0     6.6     0     19.7    14.7   134 
 RENO HILL                8400    16.2    13.6   120     24.4    22.4   110 
 ROACH                    9700    19.9    18.2   109     24.9    25.7    97 
 SAND LAKE               10080    45.8    37.3   123     36.8    24.7   149 
 SOUTH PASS               9040    24.9    18.2   138     28.9    20.5   141 
 WINDY PEAK               7840     7.1     8.0    89     17.4    12.2   143 
                                                -----                  -----
                Basin wide percent of average    103                    123 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     4.8     5.3    93     21.7    18.4   118 
 DIVIDE PEAK              8800    21.5    19.5   111     29.7    27.2   109 
 OLD BATTLE              10000    36.5    38.2    96     43.0    35.7   121 
 SANDSTONE RS             8150     9.0    10.2    88     24.4    22.9   107 
 WHISKEY PARK             8950    30.7    29.7   104     34.9    33.9   103 
                                                -----                  -----
                Basin wide percent of average    100                    112 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    16.7    14.0   120     18.0    18.5    98 
 BLIND BULL SUM           8650    32.0    23.4   138     25.9    26.9    97 
 EAST RIM DIVIDE          7930    15.2    15.0   103     16.9    17.4    98 
 ELKHART PARK G.S.        9400    16.0    14.1   113     17.7    18.2    98 
 GROS VENTRE SUMMIT       8775    17.2    14.1   122     18.0    18.2   100 
 KENDALL R.S.             7740    13.2    10.9   123     18.9    17.7   108 
 LOOMIS PARK              8240      -M    15.4      *    23.2    21.4   109 
 NEW FORK LAKE            8340    13.0     9.4   140     14.7    16.4    90 
 SNIDER BASIN             8250    20.7    13.2   157     21.2    17.2   123 
 SPRING CREEK DIVIDE      9000    35.3    29.7   120     32.8    30.9   107 
 TRIPLE PEAK              8500    31.9    25.2   127     35.7    34.9   103 
                                                -----                  -----
                Basin wide percent of average    126                    103 


LOWER GREEN RIVER

 HAMS FORK                7840    11.2     5.8   194     16.2    15.2   106 
 HEWINTA                  9500    13.0     5.6   231     17.9    16.2   110 
 HICKERSON PARK           9150     6.0     3.3   188     13.5    12.4   110 
 HOLE-IN-ROCK             9150     9.2     2.7   354     14.0    12.4   114 
 INDIAN CREEK             9425    36.0    29.0   125     30.9    29.2   106 
 KELLEY R.S.              8180    17.2    15.2   114     22.5    21.4   106 
 STEEL CREEK PARK        10100    19.7    18.9   104     21.4    16.0   134 
                                                -----                  -----
                Basin wide percent of average    140                    112 


UPPER BEAR RIVER

 BUG LAKE                 7950    25.2    16.4   154     26.4    22.7   117 
 HAYDEN FORK              9400    13.9     7.0   200     25.2    22.9   111 
 KELLEY R.S.              8180    17.2    15.2   114     22.5    21.4   106 
 LILY LAKE                9050    13.5     9.0   150     22.4    17.9   125 
 MONTE CRISTO             8960    35.9    26.4   136     33.7    30.2   112 
 SALT RIVER SUMMIT        7600    14.7    11.0   134     20.9    19.2   109 
 TRIAL LAKE               9960    24.9    24.2   103     27.7    28.2    98 
                                                -----                  -----
                Basin wide percent of average    134                    110 

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


-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.