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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 4:02p, 8/21/18
Temperature 59.5°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 THURSDAY: APRIL 23 , 2009
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    11.8    15.2    78     21.3    23.6    90
 COTTONWOOD CREEK         7670    26.6    22.4   119     34.7    30.7   113
 GRAND TARGHEE            9260    49.4      -M      *    38.3      -M      *
 GRANITE CREEK            6770    14.4    15.4    94     23.2    21.6   107
 GRASSY LAKE              7265    31.7    36.1    88     38.0    39.6    96
 GROS VENTRE SUMMIT       8750      -M    14.3      *    17.4    14.6   119
 GUNSIGHT PASS            9820    15.9      -M      *    17.9      -M      *
 LEWIS LAKE DIVIDE        7850    33.4    36.3    92     36.5    40.4    90
 PHILLIPS BENCH           8200    29.7    30.6    97     33.0    32.0   103
 SALT RIVER SUMMIT        7760    14.2    13.2   108     18.6    20.9    89
 SNAKE RIVER STATION      6920    14.1    15.6    90     24.8    24.7   100
 SPRING CREEK DIVIDE      9000    31.7    28.9   110     29.9    29.2   102
 THUMB DIVIDE             7980    19.8    17.4   114     23.9    21.1   113
 TOGWOTEE PASS            9580    29.8    27.4   109     32.7    27.7   118
 TWO OCEAN PLATEAU        9240    40.8    31.3   130     32.1    30.8   104
 WILLOW CREEK             8380    33.9    31.8   107     43.4    36.1   120
                                                -----                  -----
                Basin wide percent of average    103                    104


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    23.7    25.6    93     23.0    22.5   102
 BLACK BEAR               8170    37.1    40.8    91     38.9    44.5    87
 CANYON                   7870    12.9    12.8   101     16.5    17.1    96
 FISHER CREEK             9100    38.5    37.6   102     38.5    40.3    96
 MADISON PLATEAU          7750    23.8    25.6    93     26.9    29.6    91
 NORTHEAST ENTRANCE       7350     6.4     9.3    69     15.0    14.1   106
 PARKER PEAK              9400    29.8    23.8   125     20.4    18.5   110
 SYLVAN LAKE              8420    20.3    24.1    84     25.4    23.6   108
 THUMB DIVIDE             7980    19.8    17.4   114     23.9    21.1   113
 TWO OCEAN PLATEAU        9240    40.8    31.3   130     32.1    30.8   104
 WHISKEY CREEK            6800    17.8    17.1   104     22.6    23.3    97
 WHITE MILL               8700    26.1    26.3    99     26.4    30.0    88
 WOLVERINE                7650     9.4     9.5    99     13.6    14.4    94
                                                -----                  -----
                Basin wide percent of average    102                     98


WIND RIVER

 BURROUGHS CREEK          8750    17.1    14.7   116     18.6    18.4   101
 COLD SPRINGS             9630     8.3     5.5   151     12.7    12.9    98
 DEER PARK                9700    14.1    17.9    79     20.4    25.3    81
 HOBBS PARK              10100    15.9    17.1    93     17.3    15.6   111
 LITTLE WARM              9370    11.7    12.0    98     16.4    15.7   104
 SOUTH PASS               9040    14.8    17.8    83     17.7    21.4    83
 ST. LAWRENCE ALT         8620     6.8     6.5   105     12.1    11.0   110
 TOGWOTEE PASS            9580    29.8    27.4   109     32.7    27.7   118
 TOWNSEND CREEK           8700    11.0     9.5   116     15.2    14.3   106
                                                -----                  -----
                Basin wide percent of average    101                    100


BIGHORN BASIN

 BALD MTN.                9380    19.2    22.6    85     16.9    20.0    84
 BEAR TRAP MEADOW         8200     5.8     3.6   161     10.5    10.1   104
 BLACKWATER               9780    27.6    27.4   101     25.5    23.5   109
 BONE SPRINGS DIV         9350    16.5    17.7    93     15.8    17.1    92
 EVENING STAR             9200    30.9    32.4    95     33.9    28.6   119
 GRAVE SPRINGS            8550     9.7    11.0    88     11.5    12.2    94
 KIRWIN                   9550    14.2    12.6   113     16.4    13.2   124
 MARQUETTE                8760     7.3    10.7    68     10.5    12.4    85
 MIDDLE POWDER            7760    11.8    14.3    83     11.5    14.7    78
 OWL CREEK                8975     4.1     4.5    91      7.7     7.4   104
 POWDER RIVER PASS        9480    11.3    11.6    97     16.0    14.6   110
 SHELL CREEK              9580    17.6    16.4   107     16.9    15.7   108
 SYLVAN LAKE              8420    20.3    24.1    84     25.4    23.6   108
 SYLVAN ROAD              7120     8.4    10.3    82     20.9    19.6   107
 TIMBER CREEK             7950     4.0     5.1    78      9.4     9.3   101
 YOUNTS PEAK              8350    19.2    18.1   106     17.8    18.0    99
                                                -----                  -----
                Basin wide percent of average     94                    103


SHOSHONE RIVER

 BLACKWATER               9780    27.6    27.4   101     25.5    23.5   109
 EVENING STAR             9200    30.9    32.4    95     33.9    28.6   119
 KIRWIN                   9550    14.2    12.6   113     16.4    13.2   124
 MARQUETTE                8760     7.3    10.7    68     10.5    12.4    85
 SYLVAN LAKE              8420    20.3    24.1    84     25.4    23.6   108
 SYLVAN ROAD              7120     8.4    10.3    82     20.9    19.6   107
 YOUNTS PEAK              8350    19.2    18.1   106     17.8    18.0    99
                                                -----                  -----
                Basin wide percent of average     94                    108


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     5.8     3.6   161     10.5    10.1   104
 BIG GOOSE                7990    10.9    12.5    87     14.9    11.6   128
 BONE SPRINGS DIV         9350    16.5    17.7    93     15.8    17.1    92
 BURGESS JUNCTION         7880    13.0    13.3    98     14.5    14.4   101
 CLOUD PEAK RESERVOIR     9860    18.8    15.8   119     19.3    15.7   123
 DOME LAKE                8880    12.9    13.7    94     17.6    15.6   113
 GRAVE SPRINGS            8550     9.7    11.0    88     11.5    12.2    94
 HANSEN SAWMILL           8360     4.6     5.4    85     11.5    10.0   115
 MIDDLE POWDER            7760    11.8    14.3    83     11.5    14.7    78
 POWDER RIVER PASS        9480    11.3    11.6    97     16.0    14.6   110
 SUCKER CREEK             8880    15.4    13.5   114     19.0    16.1   118
 TIE CREEK                6870     4.5     5.2    87     16.2    12.3   132
                                                -----                  -----
                Basin wide percent of average     98                    108


BELLE FOURCHE

 BLIND PARK               6890      .6     6.5     9     15.8    13.1   121
 COLE CANYON              5910     5.5     6.6    83     13.9     8.3   167
 NORTH RAPID CREEK        6130     4.9     7.5    65     16.0    10.2   157
                                                -----                  -----
                Basin wide percent of average     53                    145


UPPER N. PLATTE RIVER

 COLUMBINE                9160    25.5    23.6   108     30.3    28.1   108
 DIVIDE PEAK              8880    27.3    20.8   131     30.4    23.2   131
 ELK RIVER                8700    21.0    18.2   115     24.6    22.0   112
 JOE WRIGHT              10120    26.3    24.5   107     32.3    28.5   113
 NORTH FRENCH CREEK      10130    38.0    33.7   113     35.6    28.1   127
 OLD BATTLE              10000    39.0    35.7   109     44.1    38.3   115
 SAGE CREEK BASIN         7850    14.1    12.1   117     16.9    13.5   125
 SOUTH BRUSH CREEK        8440    11.4    12.7    90     19.8    18.9   105
 TOWER                   10500    48.6    51.0    95     47.0    43.2   109
 WEBBER SPRINGS           9250    28.1    26.0   108     33.5    29.9   112
 WILLOW CREEK PASS        9540    14.4    14.1   102     14.6    14.8    99
                                                -----                  -----
                Basin wide percent of average    108                    114


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    26.3    27.6    95     25.5    25.5   100
 CASPER MTN.              7900    13.8    17.5    79     15.6    17.9    87
 DEADMAN HILL            10220    21.4    19.1   112     21.7    19.7   110
 DEER PARK                9700    14.1    17.9    79     20.4    25.3    81
 LAPRELE CREEK            8375     8.5     9.1    93     15.1    15.2    99
 RENO HILL                8400    16.4    16.0   102     19.7    18.6   106
 ROACH                    9700    19.0    18.5   103     22.2    21.2   105
 SAND LAKE               10050    35.3    36.0    98     33.8    27.7   122
 SOUTH PASS               9040    14.8    17.8    83     17.7    21.4    83
 WINDY PEAK               7900     9.6     6.9   139     13.0    12.5   104
                                                -----                  -----
                Basin wide percent of average     96                    100


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    12.0     7.0   171     20.6    17.8   116
 DIVIDE PEAK              8880    27.3    20.8   131     30.4    23.2   131
 OLD BATTLE              10000    39.0    35.7   109     44.1    38.3   115
 SANDSTONE RS             8150    18.5    12.1   153     23.1    20.8   111
 WHISKEY PARK             8950    33.9    30.7   110     38.0    32.2   118
                                                -----                  -----
                Basin wide percent of average    123                    118


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.6    14.9    85     14.5    15.1    96
 BLIND BULL SUM           8650    29.7    28.7   103     22.8    24.4    93
 EAST RIM DIVIDE          7930     7.2    14.0    51     13.6    13.3   102
 ELKHART PARK G.S.        9400    14.5    13.8   105     17.1    15.1   113
 GROS VENTRE SUMMIT       8750      -M    14.3      *    17.4    14.6   119
 GUNSIGHT PASS            9820    15.9      -M      *    17.9      -M      *
 KENDALL R.S.             7740     7.6    12.4    61     15.2    15.9    96
 LOOMIS PARK              8240    14.3    16.2    88     20.7    19.2   108
 NEW FORK LAKE            8340     9.8    10.4    94     12.5    12.7    98
 SNIDER BASIN             8060    14.5    14.3   101     17.0    17.9    95
 SPRING CREEK DIVIDE      9000    31.7    28.9   110     29.9    29.2   102
 TRIPLE PEAK              8500    24.0    25.6    94     29.7    27.5   108
                                                -----                  -----
                Basin wide percent of average     93                    103


LOWER GREEN RIVER

 HAMS FORK                7840     9.6     8.4   114     14.4    13.9   104
 HEWINTA                  9519    10.1    11.4    89     15.7    16.9    93
 HICKERSON PARK           9145     6.0     7.5    80     11.9     9.5   125
 HOLE-IN-ROCK             9150     5.7     6.5    88     11.3     9.0   126
 INDIAN CREEK             9425    26.4    29.5    89     25.6    28.4    90
 KELLEY R.S.              8180    15.7    16.3    96     20.6    22.7    91
 STEEL CREEK PARK        10200    17.0    17.9    95     19.2    19.2   100
                                                -----                  -----
                Basin wide percent of average     93                     99


UPPER BEAR RIVER

 BUG LAKE                 7950    19.3    20.7    93     20.4    21.5    95
 HAYDEN FORK              9212    15.8    15.4   103     25.1    24.0   105
 KELLEY R.S.              8180    15.7    16.3    96     20.6    22.7    91
 LILY LAKE                9156    14.0    13.5   104     19.6    20.2    97
 MONTE CRISTO             8960    28.9    30.0    96     30.2    28.8   105
 SALT RIVER SUMMIT        7760    14.2    13.2   108     18.6    20.9    89
 TRIAL LAKE               9992    27.2    26.6   102     27.2    28.1    97
                                                -----                  -----
                Basin wide percent of average    100                     97

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


 -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.