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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


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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 5 , 2012
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.0    18.0    94     24.2    22.0   110
 BLACK BEAR               8170    41.5    40.3   103     41.9    41.6   101
 BLIND BULL SUM           8650    23.1    28.6    81     17.3    22.9    76
 COTTONWOOD CREEK         7670    17.1    24.4    70     24.4    28.3    86
 EAST RIM DIVIDE          7930     8.0    13.5    59     11.4    12.4    92
 GRAND TARGHEE            9260    37.8      -M      *    29.9      -M      *
 GRANITE CREEK            6770    12.4    18.4    67     16.6    20.4    81
 GRASSY LAKE              7265    32.3    36.7    88     38.5    37.0   104
 GROS VENTRE SUMMIT       8750     8.6    14.5    59     10.6    13.3    80
 GUNSIGHT PASS            9820    12.4      -M      *    14.5      -M      *
 LEWIS LAKE DIVIDE        7850    31.9    36.3    88     35.3    37.8    93
 PHILLIPS BENCH           8200    24.1    29.8    81     25.7    29.9    86
 SALT RIVER SUMMIT        7760     8.6    14.9    58     11.4    19.4    59
 SNAKE RIVER STATION      6920    15.8    19.0    83     24.9    22.9   109
 SPRING CREEK DIVIDE      9000    22.9    27.5    83     22.5    27.3    82
 THUMB DIVIDE             7980    16.6    19.3    86     18.6    19.5    95
 TOGWOTEE PASS            9580    22.0    25.7    86     24.2    25.4    95
 TWO OCEAN PLATEAU        9240    33.8    29.1   116     28.1    28.6    98
 WILLOW CREEK             8380    23.5    31.1    76     31.9    33.2    96
 YOUNTS PEAK              8350    15.7    17.6    89     15.7    16.6    95
                                                -----                  -----
                Basin wide percent of average     84                     92


MADISON-GALLATIN

 BLACK BEAR               8170    41.5    40.3   103     41.9    41.6   101
 CANYON                   7870    12.2    14.0    87     15.0    15.9    94
 MADISON PLATEAU          7750    25.5    25.8    99     30.9    27.6   112
 WEST YELLOWSTONE         6700     8.9    12.5    71     17.4    13.3   131
 WHISKEY CREEK            6800    15.9    17.7    90     23.2    21.6   107
                                                -----                  -----
                Basin wide percent of average     94                    107


YELLOWSTONE

 BEARTOOTH LAKE           9360    25.0    24.1   104     24.3    20.7   117
 BURNT MTN                5880      .0     6.3     0     11.4    16.0    71
 CANYON                   7870    12.2    14.0    87     15.0    15.9    94
 COLE CREEK               7850    13.9    17.1    81     11.6    17.3    67
 EVENING STAR             9200    29.5    30.5    97     32.2    26.1   123
 FISHER CREEK             9100    36.7    35.9   102     34.8    37.5    93
 NORTHEAST ENTRANCE       7350     7.3    11.2    65     13.1    13.0   101
 PARKER PEAK              9400    24.1    22.3   108     23.1    16.8   138
 SYLVAN LAKE              8420    17.9    23.2    77     24.8    21.6   115
 THUMB DIVIDE             7980    16.6    19.3    86     18.6    19.5    95
 TWO OCEAN PLATEAU        9240    33.8    29.1   116     28.1    28.6    98
 WHITE MILL               8700    23.3    25.0    93     23.9    27.8    86
 WOLVERINE                7650     7.2    11.7    62     13.1    13.2    99
                                                -----                  -----
                Basin wide percent of average     92                    100


WIND RIVER

 BURROUGHS CREEK          8750    13.8    14.9    93     14.4    16.8    86
 CASTLE CREEK             8400     4.7      -M      *     8.7      -M      *
 COLD SPRINGS             9630     4.5     8.8    51      9.3    11.0    85
 DEER PARK                9700    10.7    17.3    62     17.6    22.7    78
 HOBBS PARK              10100    14.0    15.7    89     13.5    13.4   101
 KIRWIN                   9550    11.6    11.8    98     14.1    11.6   122
 LITTLE WARM              9370     7.9    12.3    64     11.6    13.8    84
 OWL CREEK                8975      .4     5.8     7      5.7     6.2    92
 SOUTH PASS               9040    13.0    17.2    76     13.5    19.1    71
 ST. LAWRENCE ALT         8620      .0     7.6     0      7.6     9.2    83
 TOGWOTEE PASS            9580    22.0    25.7    86     24.2    25.4    95
 TOWNSEND CREEK           8700     6.3     9.4    67     11.3    12.1    93
                                                -----                  -----
                Basin wide percent of average     71                     89


BIGHORN BASIN

 BALD MTN.                9380    20.8    20.3   102     15.7    18.0    87
 BEAR TRAP MEADOW         8200     4.4     5.1    86      9.3     8.6   108
 BONE SPRINGS DIV         9350    20.0    16.8   119     15.9    15.1   105
 GRAVE SPRINGS            8550     7.0     9.8    71     10.4    10.1   103
 KIRWIN                   9550    11.6    11.8    98     14.1    11.6   122
 MARQUETTE                8760     7.6      -M      *    11.7    10.2   115
 MIDDLE POWDER            7760     9.7    12.4    78     11.2    12.8    88
 OWL CREEK                8975      .4     5.8     7      5.7     6.2    92
 POWDER RIVER PASS        9480    10.0    11.2    89     15.5    12.8   121
 SHELL CREEK              9580    18.1    15.2   119     15.9    13.8   115
 TIMBER CREEK             7950      .0     5.9     0      9.1     7.7   118
                                                -----                  -----
                Basin wide percent of average     89                    106


SHOSHONE RIVER

 BLACKWATER               9780    24.8    25.4    98     24.6    21.2   116
 EVENING STAR             9200    29.5    30.5    97     32.2    26.1   123
 MARQUETTE                8760     7.6      -M      *    11.7    10.2   115
 SYLVAN ROAD              7120     7.1    12.8    55     18.0    18.1    99
 YOUNTS PEAK              8350    15.7    17.6    89     15.7    16.6    95
                                                -----                  -----
                Basin wide percent of average     89                    111


POWDER RIVER

 BEAR TRAP MEADOW         8200     4.4     5.1    86      9.3     8.6   108
 CLOUD PEAK RESERVOIR     9860    13.7    13.9    99     15.2    13.4   113
 GRAVE SPRINGS            8550     7.0     9.8    71     10.4    10.1   103
 HANSEN SAWMILL           8360      .0     6.6     0      8.5     8.5   100
 MIDDLE POWDER            7760     9.7    12.4    78     11.2    12.8    88
 POWDER RIVER PASS        9480    10.0    11.2    89     15.5    12.8   121
 SOLDIER PARK             8720     7.8      -M      *     9.9      -M      *
                                                -----                  -----
                Basin wide percent of average     76                    106


TONGUE RIVER

 BIG GOOSE                7990     7.9    11.3    70     14.4     9.0   160
 BONE SPRINGS DIV         9350    20.0    16.8   119     15.9    15.1   105
 BURGESS JUNCTION         7880    11.7    12.2    96     14.3    12.6   113
 DOME LAKE                8880    12.5    13.0    96     15.0    13.6   110
 LITTLE GOOSE             8870     7.7      -M      *    16.5      -M      *
 SUCKER CREEK             8880    11.5    12.3    93     15.5    14.0   111
 TIE CREEK                6870      .0     6.1     0     13.8    10.3   134
                                                -----                  -----
                Basin wide percent of average     89                    119


BELLE FOURCHE

 COLE CANYON              5910      .0     7.0     0      8.2     6.9   119
                                                -----                  -----
                Basin wide percent of average      0                    119


CHEYENNE RIVER BASIN

 BLIND PARK               6890      .0     8.3     0     10.3    11.4    90
 NORTH RAPID CREEK        6130      .0     8.6     0      7.9     8.8    90
                                                -----                  -----
                Basin wide percent of average      0                     90


UPPER N. PLATTE

 ARAPAHO RIDGE           10960      -M    23.5      *      -M    27.4      *
 BLACKHALL MTN            9820    20.9      -M      *    23.2      -M      *
 COLUMBINE                9160    10.2    25.1    41     19.4    25.9    75
 DIVIDE PEAK              8880     9.2    20.4    45     18.9    21.3    89
 JOE WRIGHT              10120    11.1    22.1    50     18.6    25.5    73
 LAPRELE CREEK            8375     5.2    11.0    47     11.8    13.0    91
 NORTH FRENCH CREEK      10130    17.3    30.5    57     19.2    25.3    76
 NEVER SUMMER            10280    11.1    21.0    53     10.9    24.2    45
 OLD BATTLE              10000    22.5    33.1    68     26.9    35.5    76
 RAWAH                    9020     1.0    15.6     6     11.0    16.9    65
 SAGE CREEK BASIN         7850     1.5    11.8    13     10.2    12.3    83
 SAND LAKE               10050    23.1    33.4    69     22.8    24.9    92
 SOUTH BRUSH CREEK        8440      -M    13.3      *    11.4    16.9    67
 TOWER                   10500    27.8    47.0    59     30.7    39.4    78
 WEBBER SPRINGS           9250    13.3    26.4    50     21.1    27.4    77
 WILLOW CREEK PASS        9540      -M    12.6      *     9.2    13.2    70
 ZIRKEL                   9340      -M    25.9      *    24.3    26.7    91
                                                -----                  -----
                Basin wide percent of average     52                     76


SWEETWATER

 DEER PARK                9700    10.7    17.3    62     17.6    22.7    78
 LARSEN CREEK             9000     8.0      -M      *    13.9      -M      *
 SOUTH PASS               9040    13.0    17.2    76     13.5    19.1    71
                                                -----                  -----
                Basin wide percent of average     69                     74


LOWER N. PLATTE

 CASPER MTN.              7900    16.0    15.2   105     18.3    15.0   122
 LAPRELE CREEK            8375     5.2    11.0    47     11.8    13.0    91
 RENO HILL                8400    13.9    14.9    93     17.9    15.6   115
 WINDY PEAK               7900     3.4     8.4    40      8.7    10.9    80
                                                -----                  -----
                Basin wide percent of average     78                    104


LARAMIE RIVER

 BROOKLYN LAKE           10240    15.1    24.6    61     18.6    22.8    82
 CINNABAR PARK            9574    11.8    18.0    66     19.2    20.5    94
 CROW CREEK               8330     1.2     9.1    13     10.0    10.3    97
 DEADMAN HILL            10220    16.1    17.0    95     15.5    17.4    89
 RAWAH                    9020     1.0    15.6     6     11.0    16.9    65
 ROACH                    9700    11.7    17.7    66     16.3    19.2    85
                                                -----                  -----
                Basin wide percent of average     56                     85


S. PLATTE

 BLACK MOUNTAIN           8920     9.3      -M      *    12.6      -M      *
 CROW CREEK               8330     1.2     9.1    13     10.0    10.3    97
 DEADMAN HILL            10220    16.1    17.0    95     15.5    17.4    89
                                                -----                  -----
                Basin wide percent of average     66                     92


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    10.5      *    11.7    16.3    72
 DIVIDE PEAK              8880     9.2    20.4    45     18.9    21.3    89
 ELK RIVER                8700      -M    20.0      *    15.4    20.1    77
 LITTLE SNAKE RIVER       8915    12.5      -M      *    24.0      -M      *
 OLD BATTLE              10000    22.5    33.1    68     26.9    35.5    76
 SAGE CREEK BASIN         7850     1.5    11.8    13     10.2    12.3    83
 SANDSTONE RS             8150      -M    14.5      *    11.7    19.2    61
 WHISKEY PARK             8950    15.8    30.6    52     23.7    29.4    81
                                                -----                  -----
                Basin wide percent of average     51                     77


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    13.2    15.0    88     13.8    13.8   100
 BLIND BULL SUM           8650    23.1    28.6    81     17.3    22.9    76
 EAST RIM DIVIDE          7930     8.0    13.5    59     11.4    12.4    92
 ELKHART PARK G.S.        9400    13.8    13.8   100     15.2    13.8   110
 GROS VENTRE SUMMIT       8750     8.6    14.5    59     10.6    13.3    80
 GUNSIGHT PASS            9820    12.4      -M      *    14.5      -M      *
 KENDALL R.S.             7740    11.2    14.4    78     14.7    14.9    99
 LOOMIS PARK              8240    11.2    17.5    64     16.5    17.9    92
 NEW FORK LAKE            8340     8.8    11.5    77     10.7    11.7    91
 POCKET CREEK             9360    10.3      -M      *    12.4      -M      *
 SNIDER BASIN             8060    11.1    14.9    74     13.0    16.6    78
 SPRING CREEK DIVIDE      9000    22.9    27.5    83     22.5    27.3    82
 TRIPLE PEAK              8500    18.8    25.6    73     25.0    25.5    98
                                                -----                  -----
                Basin wide percent of average     77                     90


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     1.6      -M      *    11.1      -M      *
 BUCK PASTURE             9700      .1      -M      *     4.2      -M      *
 EF BLACKS FORK GS        9308     5.2      -M      *     9.6      -M      *
 HAMS FORK                7840     5.9    11.5    51      9.8    12.6    78
 HEWINTA                  9519     6.5    12.4    52     13.2    15.1    87
 HICKERSON PARK           9145     4.0     8.0    50     12.6     8.2   154
 HOLE-IN-ROCK             9150     5.4     7.4    73     12.6     7.8   162
 INDIAN CREEK             9425    19.2    28.8    67     18.0    26.3    68
 KELLEY R.S.              8180    12.2    17.3    71     15.1    21.0    72
 SPIRIT LK               10223    10.1      -M      *    18.1      -M      *
 STEEL CREEK PARK        10200    11.3    16.3    69     14.9    16.9    88
                                                -----                  -----
                Basin wide percent of average     63                     89


UPPER BEAR RIVER

 BEAR RIVER RS            8500      .3      -M      *    10.5      -M      *
 BUG LAKE                 7950    14.2    21.6    66     15.7    19.8    79
 BURTS MILLER RANCH       8000      .4      -M      *     9.7      -M      *
 CHALK CREEK #1           8993    14.3    25.3    57     19.0    26.0    73
 HAYDEN FORK              9212     6.6    16.8    39     17.9    21.7    82
 KELLEY R.S.              8180    12.2    17.3    71     15.1    21.0    72
 LILY LAKE                9156     7.6    14.2    54     12.5    18.1    69
 MONTE CRISTO             8960    15.7    30.4    52     19.0    26.3    72
 SALT RIVER SUMMIT        7760     8.6    14.9    58     11.4    19.4    59
                                                -----                  -----
                Basin wide percent of average     56                     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.