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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 9:03p, 5/20/18
Temperature 48.5°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 SATURDAY: MAY 8 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.0     7.8   179     29.9    25.9   116 
 COTTONWOOD CREEK         7600    22.9    17.2   134     34.2    28.9   118 
 GRANITE CREEK            6770    14.7    10.2   145     26.9    27.5    98 
 GRASSY LAKE              7265    40.3    30.7   132     48.2    42.9   113 
 GROS VENTRE SUMMIT       8775    16.0    12.1   132     18.7    18.7   101 
 LEWIS LAKE DIVIDE        7860    39.0    32.2   122     44.7    43.8   103 
 PHILLIPS BENCH           8200    35.3    27.5   129     36.5    34.4   107 
 SALT RIVER SUMMIT        7600    12.4     5.5   224     21.7    19.7   111 
 SNAKE RIVER STATION      6920    12.5    14.0    90     29.4    30.2    98 
 SPRING CREEK DIVIDE      9000    37.3    27.9   134     34.7    31.5   110 
 THUMB DIVIDE             7980    18.2    13.2   138     25.7    24.2   107 
 TOGWOTEE PASS            9580      -M    27.2      *    33.4    32.8   103 
 TWO OCEAN PLATEAU        9360    40.5    27.0   150     35.7    35.7   100 
 WILLOW CREEK             8450    32.0    29.9   108     45.8    37.2   124 
                                                -----                  -----
                Basin wide percent of average    132                    108 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    28.7    25.5   113     27.7    22.2   125 
 BLACK BEAR               7950    54.8    38.5   143     52.8    47.5   111 
 CANYON                   7940    13.5     8.9   153     21.2    16.9   126 
 FISHER CREEK             9100    40.5    38.2   107     42.2    43.3    98 
 MADISON PLATEAU          7750      -M    21.4      *    36.8    30.7   120 
 NORTHEAST ENTRANCE       7350     3.5     4.3    82     16.7    14.5   116 
 PARKER PEAK              9400    26.2    23.4   113       -M    19.0      *
 SYLVAN LAKE              8420    23.7    22.4   107     31.9    23.4   137 
 THUMB DIVIDE             7980    18.2    13.2   138     25.7    24.2   107 
 TWO OCEAN PLATEAU        9360    40.5    27.0   150     35.7    35.7   100 
 WHISKEY CREEK            6800    19.5    12.5   158     28.4    25.7   111 
 WHITE MILL               8700    30.5    25.7   119     28.9    33.7    86 
 WOLVERINE                7650     4.0     5.6    72     15.2    16.0    96 
                                                -----                  -----
                Basin wide percent of average    124                    109 


WIND RIVER

 BURROUGHS CREEK          8750    17.9    10.0   179     21.5    20.2   107 
 COLD SPRINGS             9630    18.2     5.0   372     23.4    13.9   169 
 DEER PARK                9700    25.7      -M      *    32.3      -M      *
 HOBBS PARK              10100    29.5    17.5   169     27.2    18.2   150 
 LITTLE WARM              9620    19.4     8.0   242     23.2    17.0   137 
 SOUTH PASS               9040    24.4    17.4   141     29.9    21.4   140 
 ST. LAWRENCE ALT         8620    13.5     4.0   338     20.9    13.1   160 
 TOGWOTEE PASS            9580      -M    27.2      *    33.4    32.8   103 
 TOWNSEND CREEK           8700    19.4     7.8   248     25.7    16.4   158 
                                                -----                  -----
                Basin wide percent of average    205                    135 


BIGHORN BASIN

 BALD MTN.                9375    22.9    24.4    94     22.7    21.9   104 
 BEAR TRAP MEADOW         7900      .9     2.9    28     14.9    11.5   130 
 BLACKWATER               9780    35.2    25.4   139     29.2    21.4   136 
 BONE SPRINGS DIV         9350    20.4    17.7   116     22.2    19.2   116 
 EVENING STAR             9200    35.3    30.7   116     39.8    26.9   148 
 GRAVE SPRINGS            8550    11.4    11.5   100     17.4    13.4   131 
 KIRWIN                   9550    16.4    11.0   149     19.4    14.0   138 
 MARQUETTE                8760    16.9     8.2   205     19.4    14.5   135 
 MIDDLE POWDER            7760    16.9    14.5   116     23.2    15.6   149 
 OWL CREEK                8975    10.0     2.3   431     13.0     8.7   150 
 POWDER RIVER PASS        9480    11.7     8.5   140     20.2    15.5   130 
 SHELL CREEK              9580    17.9    17.0   106     19.0    16.9   114 
 SYLVAN LAKE              8420    23.7    22.4   107     31.9    23.4   137 
 SYLVAN ROAD              8120     8.6     6.0   144     21.7    19.4   112 
 TIMBER CREEK             7950     9.7     4.3   226     16.0    11.0   146 
 YOUNTS PEAK              8350    21.0    17.2   123     21.4    20.0   107 
                                                -----                  -----
                Basin wide percent of average    125                    129 


SHOSHONE RIVER

 BLACKWATER               9780    35.2    25.4   139     29.2    21.4   136 
 EVENING STAR             9200    35.3    30.7   116     39.8    26.9   148 
 KIRWIN                   9550    16.4    11.0   149     19.4    14.0   138 
 MARQUETTE                8760    16.9     8.2   205     19.4    14.5   135 
 SYLVAN LAKE              8420    23.7    22.4   107     31.9    23.4   137 
 SYLVAN ROAD              8120     8.6     6.0   144     21.7    19.4   112 
 YOUNTS PEAK              8350    21.0    17.2   123     21.4    20.0   107 
                                                -----                  -----
                Basin wide percent of average    131                    131 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .9     2.9    28     14.9    11.5   130 
 BIG GOOSE                7990     9.5      -M      *    17.7      -M      *
 BONE SPRINGS DIV         9350    20.4    17.7   116     22.2    19.2   116 
 BURGESS JUNCTION         7880    10.5    12.5    85     16.2    15.2   106 
 CLOUD PEAK RESERVOIR     9860    24.2    17.0   142     24.0    18.2   133 
 DOME LAKE                8880      -M    12.7      *    16.9    17.4    98 
 GRAVE SPRINGS            8550    11.4    11.5   100     17.4    13.4   131 
 HANSEN SAWMILL           8760     4.8     5.5    86     15.6    11.0   142 
 MIDDLE POWDER            7760    16.9    14.5   116     23.2    15.6   149 
 POWDER RIVER PASS        9480    11.7     8.5   140     20.2    15.5   130 
 SUCKER CREEK             8880    14.0    12.2   114     20.2    17.5   116 
 TIE CREEK                6870      -M      -M      *      -M    14.6      *
                                                -----                  -----
                Basin wide percent of average    112                    124 


BELLE FOURCHE

 BLIND PARK               6890      .0     7.3     0     18.4    14.9   125 
 NORTH RAPID CREEK        6130      .3      -M      *    16.7      -M      *
 WARREN PEAK              6520     2.0     7.3    28       -M    11.0      *
                                                -----                  -----
                Basin wide percent of average     14                    125*


UPPER N. PLATTE RIVER

 COLUMBINE                9400    17.2    18.2    94     29.0    28.9   101 
 DIVIDE PEAK              8800    22.5    16.0   141     31.4    28.2   112 
 ELK RIVER                8700    14.4    12.5   116     28.2    22.7   124 
 JOE WRIGHT              10120    24.0    24.4    99     32.7    31.4   104 
 NORTH FRENCH CREEK      10100    40.9    28.2   146     39.8    29.0   138 
 OLD BATTLE              10000    39.9    37.7   107     46.3    36.7   127 
 SOUTH BRUSH CREEK        8400    10.4     8.4   125     25.4    21.4   120 
 TOWER                   10500    57.8    51.0   114     48.8    44.8   110 
 WEBBER SPRINGS           9200    22.0    23.4    95     33.5    31.4   107 
 WILLOW CREEK PASS        9540    15.9    12.2   130     15.6    16.2    97 
                                                -----                  -----
                Basin wide percent of average    115                    114 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    28.9    27.0   107     31.9    24.7   130 
 CASPER MTN.              7900    13.5    14.5    94     22.7    19.9   115 
 DEADMAN HILL            10220    22.4    18.9   119     23.7    21.9   109 
 DEER PARK                9700    25.7      -M      *    32.3      -M      *
 LAPRELE CREEK            8320      .0     5.0     0     20.5    15.5   133 
 RENO HILL                8400    15.6    11.1   141     26.2    22.9   115 
 ROACH                    9700      -M    17.2      *    25.7    26.9    96 
 SAND LAKE               10080    46.3    36.4   127     37.5    25.7   146 
 SOUTH PASS               9040    24.4    17.4   141     29.9    21.4   140 
 WINDY PEAK               7840     3.9     5.8    68     18.4    13.0   142 
                                                -----                  -----
                Basin wide percent of average    114                    124 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0     2.5     0     22.7    19.2   119 
 DIVIDE PEAK              8800    22.5    16.0   141     31.4    28.2   112 
 OLD BATTLE              10000    39.9    37.7   107     46.3    36.7   127 
 SANDSTONE RS             8150     5.8     6.1    94     25.4    23.7   108 
 WHISKEY PARK             8950    32.7    27.5   119     37.4    35.0   107 
                                                -----                  -----
                Basin wide percent of average    113                    115 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    15.0    12.0   126     18.5    19.0    98 
 BLIND BULL SUM           8650    32.3    22.7   143     27.2    27.5    99 
 EAST RIM DIVIDE          7930    14.4    13.9   104     17.4    17.9    98 
 ELKHART PARK G.S.        9400    15.5    12.0   129     18.4    18.7    98 
 GROS VENTRE SUMMIT       8775    16.0    12.1   132     18.7    18.7   101 
 KENDALL R.S.             7740    10.2     5.3   193     19.2    18.2   107 
 LOOMIS PARK              8240      -M    13.4      *    24.0    22.0   110 
 NEW FORK LAKE            8340    10.5     7.8   137     15.4    16.9    91 
 SNIDER BASIN             8250    18.7    10.9   173     22.2    17.7   126 
 SPRING CREEK DIVIDE      9000    37.3    27.9   134     34.7    31.5   110 
 TRIPLE PEAK              8500    31.4    23.2   136     37.4    35.9   105 
                                                -----                  -----
                Basin wide percent of average    137                    104 


LOWER GREEN RIVER

 HAMS FORK                7840     8.5     2.9   294     17.7    15.6   113 
 HEWINTA                  9500    13.0     2.8   482     18.9    17.0   112 
 HICKERSON PARK           9150     5.8     1.9   317     14.5    13.0   111 
 HOLE-IN-ROCK             9150     9.0     1.4   636     14.7    13.0   114 
 INDIAN CREEK             9425    38.4    27.0   143     33.2    30.0   111 
 KELLEY R.S.              8180    15.9    12.6   126     23.5    21.9   108 
 STEEL CREEK PARK        10100    21.4    17.9   121     22.7    17.0   134 
                                                -----                  -----
                Basin wide percent of average    169                    114 


UPPER BEAR RIVER

 BUG LAKE                 7950    25.4    13.1   194     28.2    23.2   122 
 HAYDEN FORK              9400    14.5     3.8   392     27.7    23.9   117 
 KELLEY R.S.              8180    15.9    12.6   126     23.5    21.9   108 
 LILY LAKE                9050    13.0     7.3   179     23.7    18.9   126 
 MONTE CRISTO             8960    40.3    24.2   168     36.5    31.2   118 
 SALT RIVER SUMMIT        7600    12.4     5.5   224     21.7    19.7   111 
 TRIAL LAKE               9960    27.9    22.7   124     30.2    29.2   104 
                                                -----                  -----
                Basin wide percent of average    168                    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.