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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 7:48a, 5/20/18
Temperature 40.2°F
Wind 6.0 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 2 , 2009
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    15.8    18.1    87     19.3    21.7    89
 COTTONWOOD CREEK         7670    27.2    24.2   112     30.5    27.8   110
 GRAND TARGHEE            9260    43.1      -M      *    33.6      -M      *
 GRANITE CREEK            6770    16.6    18.6    89     20.8    20.1   103
 GRASSY LAKE              7265    31.8    36.1    88     34.1    36.4    94
 GROS VENTRE SUMMIT       8750      -M    14.4      *    15.6    13.0   120
 GUNSIGHT PASS            9820    15.0      -M      *    15.9      -M      *
 LEWIS LAKE DIVIDE        7850    30.4    35.8    85     32.6    37.2    88
 PHILLIPS BENCH           8200    27.9    29.2    96     29.2    29.4    99
 SALT RIVER SUMMIT        7760    15.0    14.6   103     16.2    19.0    85
 SNAKE RIVER STATION      6920    16.9    19.2    88     21.9    22.5    97
 SPRING CREEK DIVIDE      9000    27.3    26.9   101     26.3    26.8    98
 THUMB DIVIDE             7980    19.5    19.2   102     20.2    19.1   106
 TOGWOTEE PASS            9580    27.4    25.2   109     29.6    24.9   119
 TWO OCEAN PLATEAU        9240    38.2    28.4   135     29.5    28.0   105
 WILLOW CREEK             8380    34.6    30.6   113     38.9    32.6   119
                                                -----                  -----
                Basin wide percent of average    101                    102


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    23.4    23.6    99     21.3    20.3   105
 BLACK BEAR               8170    36.5    39.8    92     35.2    40.9    86
 CANYON                   7870    13.6    13.9    98     14.8    15.6    95
 FISHER CREEK             9100    37.0    35.4   105     35.9    36.8    98
 MADISON PLATEAU          7750    22.5    25.5    88     24.1    27.1    89
 NORTHEAST ENTRANCE       7350    11.2    11.3    99     13.7    12.8   107
 PARKER PEAK              9400    26.4    21.9   121     19.8    16.4   121
 SYLVAN LAKE              8420    20.7    22.8    91     22.7    21.1   108
 THUMB DIVIDE             7980    19.5    19.2   102     20.2    19.1   106
 TWO OCEAN PLATEAU        9240    38.2    28.4   135     29.5    28.0   105
 WHISKEY CREEK            6800    16.6    17.4    95     20.0    21.2    94
 WHITE MILL               8700    24.9    24.6   101     24.3    27.3    89
 WOLVERINE                7650    12.0    11.6   103     12.3    12.9    95
                                                -----                  -----
                Basin wide percent of average    102                     98


WIND RIVER

 BURROUGHS CREEK          8750    15.7    14.8   106     16.3    16.4    99
 COLD SPRINGS             9630     7.8     9.0    87     10.2    10.7    95
 DEER PARK                9700    11.5    17.1    67     16.2    22.1    73
 HOBBS PARK              10100    13.3    15.1    88     13.2    12.9   102
 LITTLE WARM              9370    12.1    12.0   101     14.8    13.5   110
 SOUTH PASS               9040    12.5    16.7    75     14.4    18.6    77
 ST. LAWRENCE ALT         8620     5.9     7.4    80      9.3     8.9   104
 TOGWOTEE PASS            9580    27.4    25.2   109     29.6    24.9   119
 TOWNSEND CREEK           8700     8.9     8.8   101     11.4    11.7    97
                                                -----                  -----
                Basin wide percent of average     91                     97


BIGHORN BASIN

 BALD MTN.                9380    19.0    19.9    95     15.3    17.5    87
 BEAR TRAP MEADOW         8200     9.4     5.2   181      9.9     8.3   119
 BLACKWATER               9780    25.1    24.8   101     22.7    20.7   110
 BONE SPRINGS DIV         9350    17.7    16.4   108     14.6    14.7    99
 EVENING STAR             9200    30.3    30.1   101     31.1    25.5   122
 GRAVE SPRINGS            8550     9.9     9.4   105     10.4     9.7   107
 KIRWIN                   9550    12.8    11.5   111     14.1    11.3   125
 MARQUETTE                8760     6.6     9.0    73      8.5     9.8    87
 MIDDLE POWDER            7760    12.1    11.8   103     10.5    12.4    85
 OWL CREEK                8975     5.7     5.6   102      5.7     5.9    97
 POWDER RIVER PASS        9480    12.8    10.9   117     14.8    12.4   119
 SHELL CREEK              9580    17.0    14.9   114     16.1    13.4   120
 SYLVAN LAKE              8420    20.7    22.8    91     22.7    21.1   108
 SYLVAN ROAD              7120    14.2    12.9   110     19.0    17.8   107
 TIMBER CREEK             7950     4.8     5.8    83      8.4     7.4   114
 YOUNTS PEAK              8350    18.2    17.3   105     16.1    16.3    99
                                                -----                  -----
                Basin wide percent of average    104                    107


SHOSHONE RIVER

 BLACKWATER               9780    25.1    24.8   101     22.7    20.7   110
 EVENING STAR             9200    30.3    30.1   101     31.1    25.5   122
 KIRWIN                   9550    12.8    11.5   111     14.1    11.3   125
 MARQUETTE                8760     6.6     9.0    73      8.5     9.8    87
 SYLVAN LAKE              8420    20.7    22.8    91     22.7    21.1   108
 SYLVAN ROAD              7120    14.2    12.9   110     19.0    17.8   107
 YOUNTS PEAK              8350    18.2    17.3   105     16.1    16.3    99
                                                -----                  -----
                Basin wide percent of average    100                    110


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     9.4     5.2   181      9.9     8.3   119
 BIG GOOSE                7990    10.2    10.7    95     12.4     8.5   146
 BONE SPRINGS DIV         9350    17.7    16.4   108     14.6    14.7    99
 BURGESS JUNCTION         7880    12.7    11.7   109     13.0    12.2   107
 CLOUD PEAK RESERVOIR     9860    17.8    13.5   132     16.2    12.9   126
 DOME LAKE                8880    13.3    12.6   106     15.5    13.2   117
 GRAVE SPRINGS            8550     9.9     9.4   105     10.4     9.7   107
 HANSEN SAWMILL           8360     6.9     6.5   106      9.9     8.2   121
 MIDDLE POWDER            7760    12.1    11.8   103     10.5    12.4    85
 POWDER RIVER PASS        9480    12.8    10.9   117     14.8    12.4   119
 SUCKER CREEK             8880    14.8    11.8   125     16.9    13.6   124
 TIE CREEK                6870     6.0     6.1    98     13.6     9.9   137
                                                -----                  -----
                Basin wide percent of average    113                    116


BELLE FOURCHE

 BLIND PARK               6890     7.2     8.7    83     14.8    11.1   133
 COLE CANYON              5910     7.1     6.9   103     12.2     6.7   182
 NORTH RAPID CREEK        6130    10.2     8.3   123     14.2     8.6   165
                                                -----                  -----
                Basin wide percent of average    103                    156


UPPER N. PLATTE RIVER

 COLUMBINE                9160    27.1    25.0   108     26.8    25.3   106
 DIVIDE PEAK              8880    24.3    20.0   122     25.6    20.8   123
 ELK RIVER                8700    22.6    19.6   115     22.0    19.7   112
 JOE WRIGHT              10120    23.7    21.5   110     28.4    24.9   114
 NORTH FRENCH CREEK      10130    35.1    29.5   119     32.1    24.8   129
 OLD BATTLE              10000    33.4    32.4   103     38.7    34.8   111
 SAGE CREEK BASIN         7850    12.2    11.6   105     14.5    12.1   120
 SOUTH BRUSH CREEK        8440    13.2    13.2   100     17.2    16.4   105
 TOWER                   10500    45.3    45.8    99     43.1    38.6   112
 WEBBER SPRINGS           9250    25.5    26.4    97     28.8    26.8   107
 WILLOW CREEK PASS        9540    12.5    12.1   103     12.5    12.9    97
                                                -----                  -----
                Basin wide percent of average    107                    113


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.5    23.9    98     21.7    22.1    98
 CASPER MTN.              7900    12.4    14.6    85     13.5    14.4    94
 DEADMAN HILL            10220    16.4    16.4   100     16.8    17.0    99
 DEER PARK                9700    11.5    17.1    67     16.2    22.1    73
 LAPRELE CREEK            8375     9.4    11.0    85     11.9    12.6    94
 RENO HILL                8400    14.5    14.3   101     15.5    15.0   103
 ROACH                    9700    14.8    17.2    86     17.3    18.7    93
 SAND LAKE               10050    30.8    32.7    94     28.8    24.2   119
 SOUTH PASS               9040    12.5    16.7    75     14.4    18.6    77
 WINDY PEAK               7900     9.0     8.1   111     10.0    10.6    94
                                                -----                  -----
                Basin wide percent of average     90                     95


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    17.3    11.0   157     18.6    15.9   117
 DIVIDE PEAK              8880    24.3    20.0   122     25.6    20.8   123
 OLD BATTLE              10000    33.4    32.4   103     38.7    34.8   111
 SANDSTONE RS             8150    19.1    14.8   129     20.7    18.8   110
 WHISKEY PARK             8950    33.8    30.4   111     34.5    28.8   120
                                                -----                  -----
                Basin wide percent of average    118                    116


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.3    14.7    84     12.1    13.5    90
 BLIND BULL SUM           8650    26.8    28.3    95     19.8    22.5    88
 EAST RIM DIVIDE          7930     9.9    13.3    74     11.9    12.2    98
 ELKHART PARK G.S.        9400    12.7    13.6    93     13.8    13.4   103
 GROS VENTRE SUMMIT       8750      -M    14.4      *    15.6    13.0   120
 GUNSIGHT PASS            9820    15.0      -M      *    15.9      -M      *
 KENDALL R.S.             7740    11.7    14.6    80     13.9    14.7    95
 LOOMIS PARK              8240    16.3    17.5    93     18.5    17.6   105
 NEW FORK LAKE            8340    11.7    11.3   104     10.5    11.4    92
 SNIDER BASIN             8060    14.4    14.7    98     14.7    16.3    90
 SPRING CREEK DIVIDE      9000    27.3    26.9   101     26.3    26.8    98
 TRIPLE PEAK              8500    24.7    25.2    98     26.3    25.1   105
                                                -----                  -----
                Basin wide percent of average     93                     98


LOWER GREEN RIVER

 HAMS FORK                7840    11.1    12.0    92     11.5    12.3    93
 HEWINTA                  9519     9.7    12.1    80     13.2    14.7    90
 HICKERSON PARK           9145     4.0     7.7    52      7.3     8.0    91
 HOLE-IN-ROCK             9150     4.8     7.2    67      7.5     7.5   100
 INDIAN CREEK             9425    24.7    28.2    88     21.9    25.7    85
 KELLEY R.S.              8180    16.5    17.1    96     18.0    20.6    87
 STEEL CREEK PARK        10200    12.5    15.9    79     15.8    16.3    97
                                                -----                  -----
                Basin wide percent of average     83                     91


UPPER BEAR RIVER

 BUG LAKE                 7950    19.1    21.2    90     18.0    19.5    92
 HAYDEN FORK              9212    15.9    16.6    96     20.9    21.2    99
 KELLEY R.S.              8180    16.5    17.1    96     18.0    20.6    87
 LILY LAKE                9156    14.0    13.5   104     16.2    17.6    92
 MONTE CRISTO             8960    26.9    30.1    89     26.1    25.7   102
 SALT RIVER SUMMIT        7760    15.0    14.6   103     16.2    19.0    85
 TRIAL LAKE               9992    23.5    25.3    93     21.9    25.2    87
                                                -----                  -----
                Basin wide percent of average     95                     92

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


 -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.