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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 4:17p, 8/20/18
Temperature 70.4°F
Wind 9.0 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 WEDNESDAY: MAY 13 , 2009
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     5.5     7.9    70     24.2    25.3    96
 COTTONWOOD CREEK         7670    22.7    15.3   148     38.5    33.5   115
 GRAND TARGHEE            9260    54.1      -M      *    43.0      -M      *
 GRANITE CREEK            6770     7.7     9.0    86     25.4    23.3   109
 GRASSY LAKE              7265    27.5    28.3    97     42.6    42.4   100
 GROS VENTRE SUMMIT       8750    11.9    10.8   110     19.3    16.1   120
 GUNSIGHT PASS            9820    18.3      -M      *    20.6      -M      *
 LEWIS LAKE DIVIDE        7850    35.9    30.5   118     41.5    43.1    96
 PHILLIPS BENCH           8200    28.5    25.5   112     35.8    34.4   104
 SALT RIVER SUMMIT        7760     8.8     6.2   142     20.3    22.6    90
 SNAKE RIVER STATION      6920     7.8     7.2   108     28.7    26.6   108
 SPRING CREEK DIVIDE      9000    31.5    25.9   122     32.6    31.3   104
 THUMB DIVIDE             7980    18.0    10.9   165     27.0    23.1   117
 TOGWOTEE PASS            9580    33.1    27.8   119     36.3    30.4   119
 TWO OCEAN PLATEAU        9240    48.2    31.1   155     37.4    33.7   111
 WILLOW CREEK             8380    32.5    26.8   121     48.3    39.7   122
                                                -----                  -----
                Basin wide percent of average    121                    108


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    28.5    25.7   111     26.8    24.9   108
 BLACK BEAR               8170    43.4    37.5   116     44.9    47.6    94
 CANYON                   7870    14.4     8.0   180     20.1    18.7   107
 FISHER CREEK             9100    44.9    37.3   120     44.4    43.7   102
 MADISON PLATEAU          7750    24.6    20.9   118     31.6    31.7   100
 NORTHEAST ENTRANCE       7350     1.6     4.4    36     17.7    15.8   112
 PARKER PEAK              9400    33.3    24.2   138     24.2    20.9   116
 SYLVAN LAKE              8420    22.8    21.3   107     30.1    26.2   115
 THUMB DIVIDE             7980    18.0    10.9   165     27.0    23.1   117
 TWO OCEAN PLATEAU        9240    48.2    31.1   155     37.4    33.7   111
 WHISKEY CREEK            6800    17.1    11.3   151     26.5    25.3   105
 WHITE MILL               8700    31.2    25.5   122     31.2    32.7    95
 WOLVERINE                7650     5.2     4.2   124     16.6    16.4   101
                                                -----                  -----
                Basin wide percent of average    127                    105


WIND RIVER

 BURROUGHS CREEK          8750    18.1    11.1   163     21.8    20.5   106
 COLD SPRINGS             9630     6.4     4.0   160     15.5    15.2   102
 DEER PARK                9700    14.6    17.0    86     22.9    28.4    81
 HOBBS PARK              10100    17.7    17.3   102     20.9    18.5   113
 LITTLE WARM              9370    11.9     8.5   140     19.6    18.1   108
 SOUTH PASS               9040    13.2    15.1    87     20.1    24.2    83
 ST. LAWRENCE ALT         8620      -M     4.5      *      -M    13.4      *
 TOGWOTEE PASS            9580    33.1    27.8   119     36.3    30.4   119
 TOWNSEND CREEK           8700     8.1     6.5   125     17.4    16.9   103
                                                -----                  -----
                Basin wide percent of average    115                    101


BIGHORN BASIN

 BALD MTN.                9380    22.0    23.5    94     19.6    23.0    85
 BEAR TRAP MEADOW         8200     1.0     1.1    91     12.3    12.1   102
 BLACKWATER               9780    32.6    28.8   113     30.0    26.2   115
 BONE SPRINGS DIV         9350    18.9    16.9   112     18.6    19.9    93
 EVENING STAR             9200    34.5    32.9   105     39.3    31.5   125
 GRAVE SPRINGS            8550     7.5     9.2    82     12.6    14.4    88
 KIRWIN                   9550    15.1    11.9   127     19.6    15.5   126
 MARQUETTE                8760     7.7     9.6    80     12.8    15.3    84
 MIDDLE POWDER            7760    10.3    11.9    87     13.1    17.1    77
 OWL CREEK                8975      .2     2.8     7     10.2     9.2   111
 POWDER RIVER PASS        9480    12.7     8.8   144     19.1    17.3   110
 SHELL CREEK              9580    19.4    16.7   116     19.9    18.3   109
 SYLVAN LAKE              8420    22.8    21.3   107     30.1    26.2   115
 SYLVAN ROAD              7120      .4     3.7    11     24.8    21.6   115
 TIMBER CREEK             7950     1.3     2.8    46     12.2    12.0   102
 YOUNTS PEAK              8350    20.4    16.5   124     20.6    20.0   103
                                                -----                  -----
                Basin wide percent of average    104                    105


SHOSHONE RIVER

 BLACKWATER               9780    32.6    28.8   113     30.0    26.2   115
 EVENING STAR             9200    34.5    32.9   105     39.3    31.5   125
 KIRWIN                   9550    15.1    11.9   127     19.6    15.5   126
 MARQUETTE                8760     7.7     9.6    80     12.8    15.3    84
 SYLVAN LAKE              8420    22.8    21.3   107     30.1    26.2   115
 SYLVAN ROAD              7120      .4     3.7    11     24.8    21.6   115
 YOUNTS PEAK              8350    20.4    16.5   124     20.6    20.0   103
                                                -----                  -----
                Basin wide percent of average    107                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     1.0     1.1    91     12.3    12.1   102
 BIG GOOSE                7990     9.7     9.7   100     16.3    14.5   112
 BONE SPRINGS DIV         9350    18.9    16.9   112     18.6    19.9    93
 BURGESS JUNCTION         7880    12.2    11.1   110     15.9    16.7    95
 CLOUD PEAK RESERVOIR     9860    19.5    15.4   127     21.5    18.9   114
 DOME LAKE                8880    10.9    11.2    97     19.5    18.4   106
 GRAVE SPRINGS            8550     7.5     9.2    82     12.6    14.4    88
 HANSEN SAWMILL           8360      .1     3.0     3     13.1    12.1   108
 MIDDLE POWDER            7760    10.3    11.9    87     13.1    17.1    77
 POWDER RIVER PASS        9480    12.7     8.8   144     19.1    17.3   110
 SUCKER CREEK             8880    15.1    11.0   137     21.2    19.1   111
 TIE CREEK                6870      .0     2.1     0     17.6    15.0   117
                                                -----                  -----
                Basin wide percent of average    106                    103


BELLE FOURCHE

 BLIND PARK               6890      -M      .8      *    17.8    15.6   114
 COLE CANYON              5910      .0     1.2     0     15.3    10.9   140
 NORTH RAPID CREEK        6130      .0      .9     0     17.3    12.5   138
                                                -----                  -----
                Basin wide percent of average      0                    129


UPPER N. PLATTE RIVER

 COLUMBINE                9160     8.5    15.1    56     33.3    30.4   110
 DIVIDE PEAK              8880    20.2    14.5   139     33.5    25.6   131
 ELK RIVER                8700     1.0     9.2    11     25.9    24.2   107
 JOE WRIGHT              10120    24.5    24.4   100     35.0    32.0   109
 NORTH FRENCH CREEK      10130    38.7    33.8   114     39.7    31.6   126
 OLD BATTLE              10000    39.7    36.4   109     47.4    41.7   114
 SAGE CREEK BASIN         7850      .2     8.4     2     19.4    14.8   131
 SOUTH BRUSH CREEK        8440     1.5     7.6    20     22.9    21.5   107
 TOWER                   10500    49.0    52.1    94     50.9    47.3   108
 WEBBER SPRINGS           9250    18.8    20.0    94     35.9    32.6   110
 WILLOW CREEK PASS        9540    10.1    12.3    82     16.1    16.8    96
                                                -----                  -----
                Basin wide percent of average     91                    113


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    22.6    24.8    91     28.3    28.7    99
 CASPER MTN.              7900    10.3    13.2    78     17.5    21.3    82
 DEADMAN HILL            10220    20.0    18.7   107     23.8    22.5   106
 DEER PARK                9700    14.6    17.0    86     22.9    28.4    81
 LAPRELE CREEK            8375     4.6     4.3   107     17.0    17.9    95
 RENO HILL                8400    11.9    10.9   109     21.4    22.1    97
 ROACH                    9700    13.2    14.8    89     24.3    24.0   101
 SAND LAKE               10050    35.7    36.2    99     36.9    31.3   118
 SOUTH PASS               9040    13.2    15.1    87     20.1    24.2    83
 WINDY PEAK               7900     3.6     2.3   157     15.6    14.8   105
                                                -----                  -----
                Basin wide percent of average     95                     97


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0     1.5     0     22.9    19.6   117
 DIVIDE PEAK              8880    20.2    14.5   139     33.5    25.6   131
 OLD BATTLE              10000    39.7    36.4   109     47.4    41.7   114
 SANDSTONE RS             8150      .9     4.9    18     25.4    23.1   110
 WHISKEY PARK             8950    27.1    27.9    97     40.8    35.6   115
                                                -----                  -----
                Basin wide percent of average    103                    117


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    10.0    10.2    98     16.7    16.9    99
 BLIND BULL SUM           8650    32.1    25.8   124     25.2    26.3    96
 EAST RIM DIVIDE          7930      .0    10.3     0     14.6    14.7    99
 ELKHART PARK G.S.        9400    13.5    10.3   131     18.8    17.1   110
 GROS VENTRE SUMMIT       8750    11.9    10.8   110     19.3    16.1   120
 GUNSIGHT PASS            9820    18.3      -M      *    20.6      -M      *
 KENDALL R.S.             7740      .3     5.2     6     17.2    17.3    99
 LOOMIS PARK              8240    10.0    10.8    93     22.3    20.9   107
 NEW FORK LAKE            8340     4.5     4.9    92     14.1    14.3    99
 SNIDER BASIN             8060     8.1     8.9    91     18.1    19.3    94
 SPRING CREEK DIVIDE      9000    31.5    25.9   122     32.6    31.3   104
 TRIPLE PEAK              8500    20.8    18.9   110     33.3    30.0   111
                                                -----                  -----
                Basin wide percent of average    100                    104


LOWER GREEN RIVER

 HAMS FORK                7840      .1     2.2     5     15.9    15.7   101
 HEWINTA                  9519      .0     5.5     0     17.2    18.8    91
 HICKERSON PARK           9145      .0     2.8     0     13.4    11.1   121
 HOLE-IN-ROCK             9150      .0     2.3     0     12.7    10.7   119
 INDIAN CREEK             9425      -M    25.0      *    27.3    30.7    89
 KELLEY R.S.              8180    11.0    10.3   107     22.1    24.6    90
 STEEL CREEK PARK        10200    15.1    18.6    81     21.0    21.4    98
                                                -----                  -----
                Basin wide percent of average     63                     97


UPPER BEAR RIVER

 BUG LAKE                 7950    11.6    12.5    93     21.9    23.5    93
 HAYDEN FORK              9212      .2     8.6     2     27.3    26.4   103
 KELLEY R.S.              8180    11.0    10.3   107     22.1    24.6    90
 LILY LAKE                9156     1.2     7.4    16     21.5    22.3    96
 MONTE CRISTO             8960    23.0    24.1    95     31.9    31.9   100
 SALT RIVER SUMMIT        7760     8.8     6.2   142     20.3    22.6    90
 TRIAL LAKE               9992    20.3    24.3    84     29.8    30.9    96
                                                -----                  -----
                Basin wide percent of average     81                     96

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


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Average Snow Water Equivalent and

Total Precipitation values

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.