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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 WEDNESDAY: APRIL 13 , 2005
-----------------------------------------------------------------------------
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    17.0    69     15.7    22.8    69
 COTTONWOOD CREEK         7600    18.8    23.9    79     22.9    29.4    78
 GRANITE CREEK            6770    12.4    17.2    72     16.0    21.0    76
 GRASSY LAKE              7265    25.6    36.9    69     26.6    38.2    70
 GROS VENTRE SUMMIT       8750    11.4    14.6    78     11.2    13.9    81
 LEWIS LAKE DIVIDE        7850    24.9    36.6    68     23.9    39.0    61
 PHILLIPS BENCH           8200    22.9    30.4    75     23.0    30.9    74
 SALT RIVER SUMMIT        7600    13.4    14.4    93     17.3    20.0    86
 SNAKE RIVER STATION      6920    10.8    17.7    61     14.7    23.7    62
 SPRING CREEK DIVIDE      9000    25.2    28.3    89     22.9    28.2    81
 THUMB DIVIDE             7980    14.6    18.8    78     14.0    20.3    69
 TOGWOTEE PASS            9580    17.7    26.5    67     17.9    26.5    68
 TWO OCEAN PLATEAU        9240    25.1    30.3    83     19.8    29.6    67
 WILLOW CREEK             8450    27.1    31.7    85     31.4    34.6    91
                                                -----                  -----
                Basin wide percent of average     76                     73


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    16.0    25.2    63     14.6    21.6    68
 BLACK BEAR               8170    35.7    40.7    88     32.7    42.9    76
 CANYON                   8090     9.4    13.9    68     11.6    16.4    71
 FISHER CREEK             9100    26.3    36.8    71     26.4    38.8    68
 MADISON PLATEAU          7750    20.4    26.0    78     21.9    28.4    77
 NORTHEAST ENTRANCE       7350     5.4    10.8    50      8.0    13.6    59
 PARKER PEAK              9400    16.3    23.2    70     13.7    17.6    78
 SYLVAN LAKE              8420    15.4    24.0    64     18.0    22.5    80
 THUMB DIVIDE             7980    14.6    18.8    78     14.0    20.3    69
 TWO OCEAN PLATEAU        9240    25.1    30.3    83     19.8    29.6    67
 WHISKEY CREEK            6800      -M    17.7      *      -M    22.4      *
 WHITE MILL               8700    18.1    25.8    70     16.8    28.9    58
 WOLVERINE                7650     5.7    11.1    51      7.4    13.8    54
                                                -----                  -----
                Basin wide percent of average     73                     70


WIND RIVER

 BURROUGHS CREEK          8750    10.2    15.1    68     10.7    17.6    61
 COLD SPRINGS             9630     5.8     7.4    78      8.1    12.0    68
 DEER PARK                9700    21.6    17.1   126     25.0    24.1   104
 HOBBS PARK              10100    14.9    16.6    90     13.6    14.5    94
 LITTLE WARM              9370     8.3    12.4    67      9.7    14.8    66
 SOUTH PASS               9040    19.6    17.6   111     21.0    20.2   104
 ST. LAWRENCE ALT         8620     6.0     7.3    82      8.5    10.2    83
 TOGWOTEE PASS            9580    17.7    26.5    67     17.9    26.5    68
 TOWNSEND CREEK           8700    10.4     9.7   107     14.3    13.2   108
                                                -----                  -----
                Basin wide percent of average     88                     84


BIGHORN BASIN

 BALD MTN.                9380    17.3    21.6    80     16.2    19.0    85
 BEAR TRAP MEADOW         8200     2.1     4.8    44      7.4     9.3    80
 BLACKWATER               9780    15.4    26.6    58     14.4    22.3    65
 BONE SPRINGS DIV         9350    15.2    17.5    87     15.2    16.1    94
 EVENING STAR             9200    18.0    31.7    57     20.2    27.3    74
 GRAVE SPRINGS            8550     6.9    10.5    66      8.6    11.1    77
 KIRWIN                   9550     6.8    12.2    56      7.8    12.5    62
 MARQUETTE                8760     5.1    10.4    49      7.1    11.4    62
 MIDDLE POWDER            7760     8.8    13.7    64      8.0    13.8    58
 OWL CREEK                8975     3.9     5.3    74      5.0     6.8    74
 POWDER RIVER PASS        9480    10.3    11.8    87     12.6    13.8    91
 SHELL CREEK              9580    14.9    15.9    94     13.2    14.8    89
 SYLVAN LAKE              8420    15.4    24.0    64     18.0    22.5    80
 SYLVAN ROAD              7120     8.7    12.2    71     11.7    18.9    62
 TIMBER CREEK             7950     2.0     5.7    35      3.8     8.6    44
 YOUNTS PEAK              8350    10.9    18.0    61     10.9    17.3    63
                                                -----                  -----
                Basin wide percent of average     67                     73


SHOSHONE RIVER

 BLACKWATER               9780    15.4    26.6    58     14.4    22.3    65
 EVENING STAR             9200    18.0    31.7    57     20.2    27.3    74
 KIRWIN                   9550     6.8    12.2    56      7.8    12.5    62
 MARQUETTE                8760     5.1    10.4    49      7.1    11.4    62
 SYLVAN LAKE              8420    15.4    24.0    64     18.0    22.5    80
 SYLVAN ROAD              7120     8.7    12.2    71     11.7    18.9    62
 YOUNTS PEAK              8350    10.9    18.0    61     10.9    17.3    63
                                                -----                  -----
                Basin wide percent of average     59                     68


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.1     4.8    44      7.4     9.3    80
 BIG GOOSE                7990     8.2    12.2    67     10.3    10.3   100
 BONE SPRINGS DIV         9350    15.2    17.5    87     15.2    16.1    94
 BURGESS JUNCTION         7880    10.2    13.0    78     11.6    13.5    86
 CLOUD PEAK RESERVOIR     9860    14.6    15.0    97     12.6    14.6    86
 DOME LAKE                8880    10.4    13.8    75     12.4    14.6    85
 GRAVE SPRINGS            8550     6.9    10.5    66      8.6    11.1    77
 HANSEN SAWMILL           8360     4.5     6.2    73      8.3     9.3    89
 MIDDLE POWDER            7760     8.8    13.7    64      8.0    13.8    58
 POWDER RIVER PASS        9480    10.3    11.8    87     12.6    13.8    91
 SUCKER CREEK             8880    11.7    13.3    88     14.6    15.1    97
 TIE CREEK                6870      .5     5.4     9      9.3    11.3    82
                                                -----                  -----
                Basin wide percent of average     75                     86


BELLE FOURCHE

 BLIND PARK               6890     2.0     7.8    26      8.5    12.3    69
 COLE CANYON              5910      .2     5.9     3      6.8      -M      *
 NORTH RAPID CREEK        6130      .6     8.7     7       -M     9.7      *
                                                -----                  -----
                Basin wide percent of average     13                     69*


UPPER N. PLATTE RIVER

 COLUMBINE                9160    18.3    24.7    74     21.2    26.9    79
 DIVIDE PEAK              8860    20.0    20.8    96     23.2    22.2   105
 ELK RIVER                8700    20.4    19.6   104     21.4    21.0   102
 JOE WRIGHT              10120    20.6    23.3    88     21.7    27.0    80
 NORTH FRENCH CREEK      10130    25.7    32.2    80     23.8    26.8    89
 OLD BATTLE               9920    34.1    34.4    99     36.0    36.8    98
 SAGE CREEK BASIN         7850    11.8    12.0    98     16.1    12.9   125
 SOUTH BRUSH CREEK        8440    10.9    13.3    82     13.7    17.9    77
 TOWER                   10500    39.2    49.0    80     36.9    41.2    90
 WEBBER SPRINGS           9250    24.0    26.1    92     27.1    28.5    95
 WILLOW CREEK PASS        9540    13.5    13.4   101     13.3    14.0    95
                                                -----                  -----
                Basin wide percent of average     89                     92


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10220    18.5    26.1    71     18.3    24.1    76
 CASPER MTN.              7850    11.2    16.5    68     12.9    16.4    79
 DEADMAN HILL            10220    17.0    18.0    94     15.2    18.6    82
 DEER PARK                9700    21.6    17.1   126     25.0    24.1   104
 LAPRELE CREEK            8375     5.9    10.3    57      9.7    14.2    68
 RENO HILL                8500    10.4    15.7    66     12.1    17.1    71
 ROACH                    9700    15.0    18.2    82     18.0    20.2    89
 SAND LAKE               10050    23.5    34.7    68     22.2    26.2    85
 SOUTH PASS               9040    19.6    17.6   111     21.0    20.2   104
 WINDY PEAK               7900     6.1     8.0    76      8.8    11.8    75
                                                -----                  -----
                Basin wide percent of average     82                     85


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.2     9.0    91     14.9    17.0    88
 DIVIDE PEAK              8860    20.0    20.8    96     23.2    22.2   105
 OLD BATTLE               9920    34.1    34.4    99     36.0    36.8    98
 SANDSTONE RS             8150    12.9    13.6    95     18.9    20.0    94
 WHISKEY PARK             8950    27.6    30.7    90     25.5    30.8    83
                                                -----                  -----
                Basin wide percent of average     95                     93


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    15.8    15.2   104     15.2    14.5   105
 BLIND BULL SUM           8900    19.9    28.8    69     16.3    23.6    69
 EAST RIM DIVIDE          7930     9.3    13.9    67     10.4    12.9    81
 ELKHART PARK G.S.        9400    12.8    13.9    92     14.3    14.4    99
 GROS VENTRE SUMMIT       8750    11.4    14.6    78     11.2    13.9    81
 KENDALL R.S.             7740    10.6    13.7    77     13.1    15.5    85
 LOOMIS PARK              8240    14.7    17.2    85     16.1    18.5    87
 NEW FORK LAKE            8340    11.0    11.3    97     10.9    12.2    89
 SNIDER BASIN             8060    14.0    14.9    94     14.0    17.2    81
 SPRING CREEK DIVIDE      9000    25.2    28.3    89     22.9    28.2    81
 TRIPLE PEAK              8500    19.0    25.8    74     20.7    26.5    78
                                                -----                  -----
                Basin wide percent of average     83                     84


LOWER GREEN RIVER

 HAMS FORK                7840    11.5    10.3   112     13.3    13.3   100
 HEWINTA                  9500     9.7    12.3    79     12.9    15.9    81
 HICKERSON PARK           9100     9.3     8.2   113     11.4     8.9   128
 HOLE-IN-ROCK             9150     6.7     7.3    92     10.4     8.4   124
 INDIAN CREEK             9425    29.6    29.4   101     24.6    27.2    90
 KELLEY R.S.              8180    17.4    17.2   101     19.8    21.8    91
 STEEL CREEK PARK        10100    16.2    17.1    95     16.8    17.9    94
                                                -----                  -----
                Basin wide percent of average     99                     96


UPPER BEAR RIVER

 BUG LAKE                 7950    21.3    21.6    99     22.7    20.7   110
 HAYDEN FORK              9100    18.3    16.5   111     25.5    22.8   112
 KELLEY R.S.              8180    17.4    17.2   101     19.8    21.8    91
 LILY LAKE                9050    15.3    14.4   106     18.2    19.0    96
 MONTE CRISTO             8960    30.9    30.5   101     30.3    27.5   110
 SALT RIVER SUMMIT        7600    13.4    14.4    93     17.3    20.0    86
 TRIAL LAKE               9960    30.6    26.2   117     31.1    26.9   116
                                                -----                  -----
                Basin wide percent of average    105                    104

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


 -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.