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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 TUESDAY: APRIL 13 , 2004 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     8.5    17.0    50     19.5    22.8    86 
 COTTONWOOD CREEK         7600    14.0    23.9    59     21.0    29.4    71 
 GRANITE CREEK            6770    10.4    17.2    60     17.2    21.0    82 
 GRASSY LAKE              7265    26.3    36.9    71     32.8    38.2    86 
 GROS VENTRE SUMMIT       8750     8.8    14.6    60     10.6    13.9    76 
 LEWIS LAKE DIVIDE        7850    24.7    36.6    67     30.5    39.0    78 
 PHILLIPS BENCH           8200      -M    30.4      *      -M    30.9      *
 SALT RIVER SUMMIT        7600     7.8    14.4    54     14.3    20.0    72 
 SNAKE RIVER STATION      6920     9.2    17.7    52     18.4    23.7    78 
 SPRING CREEK DIVIDE      9000    21.0    28.3    74     20.2    28.2    72 
 THUMB DIVIDE             7980     9.3    18.8    49     16.1    20.3    79 
 TOGWOTEE PASS            9580    19.0    26.5    72     19.4    26.5    73 
 TWO OCEAN PLATEAU        9240    23.9    30.3    79     22.5    29.6    76 
 WILLOW CREEK             8450    19.1    31.7    60     29.7    34.6    86 
                                                -----                  -----
                Basin wide percent of average     64                     78 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    19.1    25.2    76     18.9    21.6    87 
 BLACK BEAR               8170    38.5    40.7    95     37.9    42.9    88 
 CANYON                   8090     8.1    13.9    58     12.7    16.4    77 
 FISHER CREEK             9100    27.8    36.8    76     28.8    38.8    74 
 MADISON PLATEAU          7750    23.3    26.0    90     24.1    28.4    85 
 NORTHEAST ENTRANCE       7350      .0    10.8     0      9.9    13.6    73 
 PARKER PEAK              9400    14.9    23.2    64     13.7    17.6    78 
 SYLVAN LAKE              8420    10.8    24.0    45     18.4    22.5    82 
 THUMB DIVIDE             7980     9.3    18.8    49     16.1    20.3    79 
 TWO OCEAN PLATEAU        9240    23.9    30.3    79     22.5    29.6    76 
 WHISKEY CREEK            6800    14.4    17.7    81     20.5    22.4    92 
 WHITE MILL               8700    17.9    25.8    69     19.5    28.9    67 
 WOLVERINE                7650      .2    11.1     2      9.1    13.8    66 
                                                -----                  -----
                Basin wide percent of average     68                     80 


WIND RIVER

 BURROUGHS CREEK          8750    12.1    15.1    80     13.4    17.6    76 
 COLD SPRINGS             9630     2.1     7.4    28      8.8    12.0    73 
 DEER PARK                9700    16.5    17.1    96     20.2    24.1    84 
 HOBBS PARK              10100    14.4    16.6    87     14.3    14.5    99 
 LITTLE WARM              9370     6.8    12.4    55     10.1    14.8    68 
 SOUTH PASS               9040    16.3    17.6    93     17.6    20.2    87 
 ST. LAWRENCE ALT         8620     4.2     7.3    58      8.9    10.2    87 
 TOGWOTEE PASS            9580    19.0    26.5    72     19.4    26.5    73 
 TOWNSEND CREEK           8700    10.5     9.7   108     13.1    13.2    99 
                                                -----                  -----
                Basin wide percent of average     79                     82 


BIGHORN BASIN

 BALD MTN.                9380    18.1    21.6    84     16.5    19.0    87 
 BEAR TRAP MEADOW         8200      .4     4.8     8      6.3     9.3    68 
 BLACKWATER               9780    18.1    26.6    68     17.9    22.3    80 
 BONE SPRINGS DIV         9350    15.2    17.5    87     16.1    16.1   100 
 EVENING STAR             9200    18.8    31.7    59     24.3    27.3    89 
 GRAVE SPRINGS            8550     8.8    10.5    84     10.3    11.1    93 
 KIRWIN                   9550     6.9    12.2    57      9.1    12.5    73 
 MARQUETTE                8760     7.4    10.4    71      9.1    11.4    80 
 MIDDLE POWDER            7760     8.9    13.7    65      7.8    13.8    57 
 OWL CREEK                8975     3.8     5.3    72      5.3     6.8    78 
 POWDER RIVER PASS        9480     6.9    11.8    58     11.6    13.8    84 
 SHELL CREEK              9580    14.1    15.9    89     13.2    14.8    89 
 SYLVAN LAKE              8420    10.8    24.0    45     18.4    22.5    82 
 SYLVAN ROAD              7120     4.6    12.2    38     13.0    18.9    69 
 TIMBER CREEK             7950     4.0     5.7    70      7.5     8.6    87 
 YOUNTS PEAK              8350     6.0    18.0    33     11.0    17.3    64 
                                                -----                  -----
                Basin wide percent of average     63                     80 


SHOSHONE RIVER

 BLACKWATER               9780    18.1    26.6    68     17.9    22.3    80 
 EVENING STAR             9200    18.8    31.7    59     24.3    27.3    89 
 KIRWIN                   9550     6.9    12.2    57      9.1    12.5    73 
 MARQUETTE                8760     7.4    10.4    71      9.1    11.4    80 
 SYLVAN LAKE              8420    10.8    24.0    45     18.4    22.5    82 
 SYLVAN ROAD              7120     4.6    12.2    38     13.0    18.9    69 
 YOUNTS PEAK              8350     6.0    18.0    33     11.0    17.3    64 
                                                -----                  -----
                Basin wide percent of average     54                     78 


POWDER-TONGUE

 BEAR TRAP MEADOW         8200      .4     4.8     8      6.3     9.3    68 
 BIG GOOSE                7990      -M    12.2      *      -M    10.3      *
 BONE SPRINGS DIV         9350    15.2    17.5    87     16.1    16.1   100 
 BURGESS JUNCTION         7880    10.0    13.0    77     11.0    13.5    81 
 CLOUD PEAK RESERVOIR     9860    13.3    15.0    89     12.9    14.6    88 
 DOME LAKE                8880    10.0    13.8    72     12.4    14.6    85 
 GRAVE SPRINGS            8550     8.8    10.5    84     10.3    11.1    93 
 HANSEN SAWMILL           8360     2.8     6.2    45      8.3     9.3    89 
 MIDDLE POWDER            7760     8.9    13.7    65      7.8    13.8    57 
 POWDER RIVER PASS        9480     6.9    11.8    58     11.6    13.8    84 
 SUCKER CREEK             8880    10.0    13.3    75     13.6    15.1    90 
 TIE CREEK                6870     2.6     5.4    48     10.8    11.3    96 
                                                -----                  -----
                Basin wide percent of average     71                     85 


BELLE FOURCHE

 BLIND PARK               6890      .0     7.8     0      9.5    12.3    77 
 COLE CANYON              5910      .0     5.9     0      6.4      -M      *
 NORTH RAPID CREEK        6130      .0     8.7     0      7.6     9.7    78 
                                                -----                  -----
                Basin wide percent of average      0                     78 


UPPER N. PLATTE RIVER

 COLUMBINE                9160    13.1    24.7    53     24.0    26.9    89 
 DIVIDE PEAK              8860    15.0    20.8    72     19.3    22.2    87 
 ELK RIVER                8700     9.2    19.6    47     19.8    21.0    94 
 JOE WRIGHT              10120    16.5    23.3    71     21.5    27.0    80 
 NORTH FRENCH CREEK      10130    20.8    32.2    65     21.6    26.8    81 
 OLD BATTLE               9920    29.6    34.4    86     31.5    36.8    86 
 SAGE CREEK BASIN         7850      .0    12.0     0     13.2    12.9   102 
 SOUTH BRUSH CREEK        8440     4.1    13.3    31     12.4    17.9    69 
 TOWER                   10500    35.4    49.0    72     38.2    41.2    93 
 WEBBER SPRINGS           9250    18.0    26.1    69     24.6    28.5    86 
 WILLOW CREEK PASS        9540    11.7    13.4    87     10.6    14.0    76 
                                                -----                  -----
                Basin wide percent of average     65                     86 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10220    15.9    26.1    61     17.0    24.1    71 
 CASPER MTN.              7850    10.0    16.5    61     10.9    16.4    66 
 DEADMAN HILL            10220    14.0    18.0    78     16.5    18.6    89 
 DEER PARK                9700    16.5    17.1    96     20.2    24.1    84 
 LAPRELE CREEK            8375     2.6    10.3    25      9.4    14.2    66 
 RENO HILL                8500    10.9    15.7    69     12.7    17.1    74 
 ROACH                    9700    14.9    18.2    82     18.2    20.2    90 
 SAND LAKE               10050    22.6    34.7    65     22.8    26.2    87 
 SOUTH PASS               9040    16.3    17.6    93     17.6    20.2    87 
 WINDY PEAK               7900     1.5     8.0    19      7.3    11.8    62 
                                                -----                  -----
                Basin wide percent of average     69                     79 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0     9.0     0     14.4    17.0    85 
 DIVIDE PEAK              8860    15.0    20.8    72     19.3    22.2    87 
 OLD BATTLE               9920    29.6    34.4    86     31.5    36.8    86 
 SANDSTONE RS             8150     6.4    13.6    47     18.4    20.0    92 
 WHISKEY PARK             8950    20.5    30.7    67     25.2    30.8    82 
                                                -----                  -----
                Basin wide percent of average     66                     86 


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    13.1    15.2    86     13.3    14.5    92 
 BLIND BULL SUM           8900    19.5    28.8    68     16.7    23.6    71 
 EAST RIM DIVIDE          7930     8.4    13.9    60     10.5    12.9    81 
 ELKHART PARK G.S.        9400     9.9    13.9    71     12.0    14.4    83 
 GROS VENTRE SUMMIT       8750     8.8    14.6    60     10.6    13.9    76 
 KENDALL R.S.             7740     5.8    13.7    42     12.8    15.5    83 
 LOOMIS PARK              8240     9.7    17.2    56     15.8    18.5    85 
 NEW FORK LAKE            8340     6.0    11.3    53      9.1    12.2    75 
 SNIDER BASIN             8060     9.2    14.9    62     12.0    17.2    70 
 SPRING CREEK DIVIDE      9000    21.0    28.3    74     20.2    28.2    72 
 TRIPLE PEAK              8500    13.2    25.8    51     21.7    26.5    82 
                                                -----                  -----
                Basin wide percent of average     63                     78 


LOWER GREEN RIVER

 HAMS FORK                7840     1.2    10.3    12     10.1    13.3    76 
 HEWINTA                  9500     4.2    12.3    34     12.1    15.9    76 
 HICKERSON PARK           9100     1.6     8.2    20     10.0     8.9   112 
 HOLE-IN-ROCK             9150      .9     7.3    12      8.2     8.4    98 
 INDIAN CREEK             9425    20.3    29.4    69     19.1    27.2    70 
 KELLEY R.S.              8180    10.4    17.2    60     15.3    21.8    70 
 STEEL CREEK PARK        10100    13.6    17.1    80     14.5    17.9    81 
                                                -----                  -----
                Basin wide percent of average     51                     79 


UPPER BEAR RIVER

 BUG LAKE                 7950    10.8    21.6    50     16.7    20.7    81 
 HAYDEN FORK              9100     1.5    16.5     9     16.6    22.8    73 
 KELLEY R.S.              8180    10.4    17.2    60     15.3    21.8    70 
 LILY LAKE                9050     3.3    14.4    23     13.2    19.0    69 
 MONTE CRISTO             8960    20.0    30.5    66     24.5    27.5    89 
 SALT RIVER SUMMIT        7600     7.8    14.4    54     14.3    20.0    72 
 TRIAL LAKE               9960    15.7    26.2    60     20.2    26.9    75 
                                                -----                  -----
                Basin wide percent of average     49                     76 

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


 -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.