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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 7:28p, 5/24/18
Temperature 69.8°F
Wind 3.0 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 SUNDAY: APRIL 15 , 2012
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    13.8    16.8    82     25.0    22.9   109
 BLACK BEAR               8170    41.2    40.9   101     44.6    43.3   103
 BLIND BULL SUM           8650    23.9    28.9    83     17.7    23.8    74
 COTTONWOOD CREEK         7670    16.3    23.8    68     25.5    29.8    86
 EAST RIM DIVIDE          7930     5.1    14.0    36     11.9    12.9    92
 GRAND TARGHEE            9260    38.2      -M      *    31.4      -M      *
 GRANITE CREEK            6770      -M    17.0      *      -M    21.1      *
 GRASSY LAKE              7265    32.3    37.0    87     40.2    38.5   104
 GROS VENTRE SUMMIT       8750     7.7    14.6    53     11.2    14.0    80
 GUNSIGHT PASS            9820    11.6      -M      *    15.0      -M      *
 LEWIS LAKE DIVIDE        7850    32.1    36.7    87     36.6    39.4    93
 PHILLIPS BENCH           8200    23.1    30.6    75     26.3    31.2    84
 SALT RIVER SUMMIT        7760     6.9    14.4    48     11.5    20.3    57
 SNAKE RIVER STATION      6920    12.6    17.5    72     25.8    24.0   108
 SPRING CREEK DIVIDE      9000    23.1    28.5    81     23.1    28.5    81
 THUMB DIVIDE             7980    15.0    18.7    80     19.6    20.5    96
 TOGWOTEE PASS            9580    22.6    26.7    85     25.1    26.8    94
 TWO OCEAN PLATEAU        9240    35.3    30.6   115     29.2    29.9    98
 WILLOW CREEK             8380    21.1    31.9    66     33.4    34.9    96
 YOUNTS PEAK              8350    15.7    18.1    87     16.4    17.5    94
                                                -----                  -----
                Basin wide percent of average     81                     92


MADISON-GALLATIN

 BLACK BEAR               8170    41.2    40.9   101     44.6    43.3   103
 CANYON                   7870    12.5    13.9    90     16.5    16.6    99
 MADISON PLATEAU          7750    27.7    26.1   106     33.6    28.9   116
 WEST YELLOWSTONE         6700     7.3    11.3    65     18.8    13.9   135
 WHISKEY CREEK            6800    17.0    17.8    96     25.5    22.6   113
                                                -----                  -----
                Basin wide percent of average     96                    111


YELLOWSTONE

 BEARTOOTH LAKE           9360    26.4    25.5   104     25.7    21.8   118
 BURNT MTN                5880      .3     5.7     5     13.0    17.5    74
 CANYON                   7870    12.5    13.9    90     16.5    16.6    99
 COLE CREEK               7850    14.8    18.6    80     12.7    19.0    67
 EVENING STAR             9200    30.6    32.0    96     34.0    27.6   123
 FISHER CREEK             9100    38.2    37.0   103     37.4    39.2    95
 NORTHEAST ENTRANCE       7350     6.1    10.7    57       -M    13.7      *
 PARKER PEAK              9400    25.8    23.4   110     24.5    17.8   138
 SYLVAN LAKE              8420    17.7    24.2    73     26.5    22.8   116
 THUMB DIVIDE             7980    15.0    18.7    80     19.6    20.5    96
 TWO OCEAN PLATEAU        9240    35.3    30.6   115     29.2    29.9    98
 WHITE MILL               8700    25.5    26.0    98     26.0    29.1    89
 WOLVERINE                7650     4.5    11.0    41     13.7    13.9    99
                                                -----                  -----
                Basin wide percent of average     91                    101


WIND RIVER

 BURROUGHS CREEK          8750    13.9    15.1    92     14.5    17.7    82
 CASTLE CREEK             8400      .9      -M      *     8.9      -M      *
 COLD SPRINGS             9630      .4     7.1     6      9.5    12.1    79
 DEER PARK                9700    10.6    17.1    62     18.9    24.1    78
 HOBBS PARK              10100    13.6    16.8    81     14.2    14.7    97
 KIRWIN                   9550    11.6    12.3    94     14.8    12.5   118
 LITTLE WARM              9370     7.2    12.5    58     12.0    14.9    81
 OWL CREEK                8975      .0     5.2     0      5.7     6.9    83
 SOUTH PASS               9040    12.7    17.7    72     14.1    20.4    69
 ST. LAWRENCE ALT         8620      .3     7.3     4      8.1    10.2    79
 TOGWOTEE PASS            9580    22.6    26.7    85     25.1    26.8    94
 TOWNSEND CREEK           8700     4.6     9.8    47     11.8    13.4    88
                                                -----                  -----
                Basin wide percent of average     66                     86


BIGHORN BASIN

 BALD MTN.                9380    22.2    21.8   102     16.7    19.1    87
 BEAR TRAP MEADOW         8200     1.1     4.7    23      9.5     9.4   101
 BONE SPRINGS DIV         9350    20.6    17.7   116     17.0    16.3   104
 GRAVE SPRINGS            8550     6.0    10.7    56     11.2    11.4    98
 KIRWIN                   9550    11.6    12.3    94     14.8    12.5   118
 MARQUETTE                8760     7.1      -M      *    12.2    11.4   107
 MIDDLE POWDER            7760     9.4    14.0    67     11.5    13.8    83
 OWL CREEK                8975      .0     5.2     0      5.7     6.9    83
 POWDER RIVER PASS        9480     9.2    11.9    77     16.8    13.8   122
 SHELL CREEK              9580    19.6    16.1   122     17.3    14.8   117
 TIMBER CREEK             7950      .3     5.7     5      9.5     8.6   110
                                                -----                  -----
                Basin wide percent of average     83                    103


SHOSHONE RIVER

 BLACKWATER               9780    25.7    26.9    96     25.5    22.6   113
 EVENING STAR             9200    30.6    32.0    96     34.0    27.6   123
 MARQUETTE                8760     7.1      -M      *    12.2    11.4   107
 SYLVAN ROAD              7120     3.1    12.1    26     19.3    19.0   102
 YOUNTS PEAK              8350    15.7    18.1    87     16.4    17.5    94
                                                -----                  -----
                Basin wide percent of average     84                    109


POWDER RIVER

 BEAR TRAP MEADOW         8200     1.1     4.7    23      9.5     9.4   101
 CLOUD PEAK RESERVOIR     9860    13.9    15.3    91     16.4    14.7   112
 GRAVE SPRINGS            8550     6.0    10.7    56     11.2    11.4    98
 HANSEN SAWMILL           8360      .3     6.2     5      9.3     9.3   100
 MIDDLE POWDER            7760     9.4    14.0    67     11.5    13.8    83
 POWDER RIVER PASS        9480     9.2    11.9    77     16.8    13.8   122
 SOLDIER PARK             8720     5.2      -M      *    11.0      -M      *
                                                -----                  -----
                Basin wide percent of average     64                    103


TONGUE RIVER

 BIG GOOSE                7990     7.4    12.4    60     15.4    10.6   145
 BONE SPRINGS DIV         9350    20.6    17.7   116     17.0    16.3   104
 BURGESS JUNCTION         7880    12.0    13.2    91     14.9    13.6   110
 DOME LAKE                8880    12.6    14.0    90     16.3    14.8   110
 LITTLE GOOSE             8870     6.7      -M      *    17.7      -M      *
 SUCKER CREEK             8880    11.0    13.5    81     16.5    15.2   109
 TIE CREEK                6870      .6     5.3    11     14.5    11.4   127
                                                -----                  -----
                Basin wide percent of average     84                    116


BELLE FOURCHE

 COLE CANYON              5910      .0     7.1     0      8.8     7.7   114
                                                -----                  -----
                Basin wide percent of average      0                    114


CHEYENNE RIVER BASIN

 BLIND PARK               6890      .0     7.6     0     10.8    12.3    88
 NORTH RAPID CREEK        6130      .1     8.8     1      8.6     9.6    90
                                                -----                  -----
                Basin wide percent of average      1                     89


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    12.9    24.8    52     17.2    28.8    60
 BLACKHALL MTN            9820    19.4      -M      *    24.0      -M      *
 COLUMBINE                9160      -M    24.7      *    20.0    27.2    74
 DIVIDE PEAK              8880      -M    20.9      *    19.6    22.4    88
 JOE WRIGHT              10120      -M    23.6      *    19.1    27.2    70
 LAPRELE CREEK            8375      .9    10.2     9     12.4    14.2    87
 NORTH FRENCH CREEK      10130    15.5    32.6    48     20.2    26.9    75
 NEVER SUMMER            10280    10.5    22.4    47     11.5    25.9    44
 OLD BATTLE              10000    22.7    34.7    65     27.9    37.2    75
 RAWAH                    9020      .0    16.2     0     11.6    17.9    65
 SAGE CREEK BASIN         7850      -M    12.1      *    10.8    13.0    83
 SAND LAKE               10050    22.2    35.0    63     23.5    26.5    89
 SOUTH BRUSH CREEK        8440      -M    13.3      *    11.7    18.1    65
 TOWER                   10500    26.9    49.5    54     32.2    41.7    77
 WEBBER SPRINGS           9250    10.8    26.1    41     21.9    28.9    76
 WILLOW CREEK PASS        9540      -M    13.6      *     9.8    14.1    70
 ZIRKEL                   9340      -M    25.4      *    25.0    28.0    89
                                                -----                  -----
                Basin wide percent of average     49                     74


SWEETWATER

 DEER PARK                9700    10.6    17.1    62     18.9    24.1    78
 LARSEN CREEK             9000     6.0      -M      *    15.1      -M      *
 SOUTH PASS               9040    12.7    17.7    72     14.1    20.4    69
                                                -----                  -----
                Basin wide percent of average     67                     74


LOWER N. PLATTE

 CASPER MTN.              7900    14.4    16.8    86     19.2    16.7   115
 LAPRELE CREEK            8375      .9    10.2     9     12.4    14.2    87
 RENO HILL                8400    12.1    15.9    76     18.7    17.3   108
 WINDY PEAK               7900      -M     8.0      *     9.1    11.8    77
                                                -----                  -----
                Basin wide percent of average     64                     99


LARAMIE RIVER

 BROOKLYN LAKE           10240    12.9    26.5    49     19.3    24.4    79
 CINNABAR PARK            9574     9.4    17.7    53     20.1    21.5    93
 CROW CREEK               8330      .1     9.4     1     10.2    11.0    93
 DEADMAN HILL            10220    16.0    18.3    87     16.4    18.7    88
 RAWAH                    9020      .0    16.2     0     11.6    17.9    65
 ROACH                    9700    10.2    18.4    55     17.2    20.4    84
                                                -----                  -----
                Basin wide percent of average     46                     83


S. PLATTE

 BLACK MOUNTAIN           8920     6.2      -M      *    12.8      -M      *
 CROW CREEK               8330      .1     9.4     1     10.2    11.0    93
 DEADMAN HILL            10220    16.0    18.3    87     16.4    18.7    88
                                                -----                  -----
                Basin wide percent of average     58                     90


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .1     8.7     1     12.5    17.2    73
 DIVIDE PEAK              8880      -M    20.9      *    19.6    22.4    88
 ELK RIVER                8700      -M    19.6      *    16.0    21.2    75
 LITTLE SNAKE RIVER       8915     9.1      -M      *    24.9      -M      *
 OLD BATTLE              10000    22.7    34.7    65     27.9    37.2    75
 SAGE CREEK BASIN         7850      -M    12.1      *    10.8    13.0    83
 SANDSTONE RS             8150      -M    13.4      *    12.3    20.1    61
 WHISKEY PARK             8950    13.7    30.7    45     24.6    31.0    79
                                                -----                  -----
                Basin wide percent of average     49*                    76


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    13.2    15.3    86     14.8    14.5   102
 BLIND BULL SUM           8650    23.9    28.9    83     17.7    23.8    74
 EAST RIM DIVIDE          7930     5.1    14.0    36     11.9    12.9    92
 ELKHART PARK G.S.        9400    13.7    14.0    98     15.9    14.5   110
 GROS VENTRE SUMMIT       8750     7.7    14.6    53     11.2    14.0    80
 GUNSIGHT PASS            9820    11.6      -M      *    15.0      -M      *
 KENDALL R.S.             7740     9.2    13.6    68     15.1    15.5    97
 LOOMIS PARK              8240     8.8    17.1    51     17.0    18.7    91
 NEW FORK LAKE            8340     7.2    11.3    64     11.2    12.3    91
 POCKET CREEK             9360    10.1      -M      *    13.2      -M      *
 SNIDER BASIN             8060     9.0    14.9    60     13.1    17.5    75
 SPRING CREEK DIVIDE      9000    23.1    28.5    81     23.1    28.5    81
 TRIPLE PEAK              8500    15.9    25.9    61     25.5    26.7    96
                                                -----                  -----
                Basin wide percent of average     69                     89


LOWER GREEN RIVER

 BLACKS FORK JCT          8870      .0      -M      *    11.8      -M      *
 BUCK PASTURE             9700      .1      -M      *     4.9      -M      *
 EF BLACKS FORK GS        9308      .8      -M      *    10.1      -M      *
 HAMS FORK                7840     3.0    10.0    30     10.3    13.4    77
 HEWINTA                  9519     4.1    12.3    33     13.7    16.2    85
 HICKERSON PARK           9145     1.2     8.3    14     13.7     8.9   154
 HOLE-IN-ROCK             9150     3.3     7.3    45     13.6     8.5   160
 INDIAN CREEK             9425    17.8    29.6    60     18.6    27.6    67
 KELLEY R.S.              8180    11.2    17.2    65     16.0    22.0    73
 SPIRIT LK               10223     8.1      -M      *    19.5      -M      *
 STEEL CREEK PARK        10200    12.1    17.3    70     15.7    18.3    86
                                                -----                  -----
                Basin wide percent of average     52                     88


UPPER BEAR RIVER

 BEAR RIVER RS            8500      .0      -M      *    11.0      -M      *
 BUG LAKE                 7950    12.9    21.7    59     16.6    20.8    80
 BURTS MILLER RANCH       8000      .5      -M      *     9.6      -M      *
 CHALK CREEK #1           8993    13.1    25.8    51     20.3    27.6    74
 HAYDEN FORK              9212     3.7    16.5    22     19.3    23.1    84
 KELLEY R.S.              8180    11.2    17.2    65     16.0    22.0    73
 LILY LAKE                9156     4.8    14.5    33     13.3    19.4    69
 MONTE CRISTO             8960    15.4    30.6    50     20.6    27.8    74
 SALT RIVER SUMMIT        7760     6.9    14.4    48     11.5    20.3    57
                                                -----                  -----
                Basin wide percent of average     48                     73

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


 -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 1971-2000.

Provisional data, subject to revision.