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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 SATURDAY: DECEMBER 20 , 2003 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     8.9     6.6   135      9.7     8.7   111 
 COTTONWOOD CREEK         7600     7.7     7.7   100      8.6    11.4    75 
 GRANITE CREEK            6770     7.0     6.0   117      7.9     7.9   100 
 GRASSY LAKE              7265    14.6    11.9   123     15.1    14.3   106 
 GROS VENTRE SUMMIT       8775     4.8     5.8    83      4.2     5.6    75 
 LEWIS LAKE DIVIDE        7860    14.1    12.0   118     14.9    14.6   102 
 PHILLIPS BENCH           8200     9.6    10.3    93     10.2    11.1    92 
 SALT RIVER SUMMIT        7600     4.5     4.3   105      5.3     7.5    71 
 SNAKE RIVER STATION      6920     8.8     6.4   138     11.6     9.2   126 
 SPRING CREEK DIVIDE      9000     8.2    10.5    78      8.2    10.8    76 
 THUMB DIVIDE             7980     8.1     6.2   131      8.0     7.7   104 
 TOGWOTEE PASS            9580     8.4     9.9    85      8.6    10.2    84 
 TWO OCEAN PLATEAU        9360    12.8    11.5   111     10.9    11.4    96 
 WILLOW CREEK             8450    10.6    11.8    90     12.3    13.1    94 
                                                -----                  -----
                Basin wide percent of average    106                     94 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275     8.9     9.8    91      9.1     8.4   108 
 BLACK BEAR               8170    16.6    14.4   115     16.3    14.9   109 
 CANYON                   8090     4.8     5.0    96      5.7     6.6    86 
 FISHER CREEK             9100    13.7    13.8    99     14.1    14.3    99 
 MADISON PLATEAU          7750     9.3     9.4    99      9.2    10.4    88 
 NORTHEAST ENTRANCE       7350     2.8     4.1    68      5.4     5.5    98 
 PARKER PEAK              9400     8.3     9.1    91      6.9     7.2    96 
 SYLVAN LAKE              8420      -M     8.9      *      -M     9.5      *
 THUMB DIVIDE             7980     8.1     6.2   131      8.0     7.7   104 
 TWO OCEAN PLATEAU        9360    12.8    11.5   111     10.9    11.4    96 
 WHISKEY CREEK            6800      -M     6.2      *      -M     8.4      *
 WHITE MILL               8700     7.5     9.5    79      9.8    10.8    91 
 WOLVERINE                7650     4.4     4.7    94      4.7     6.0    78 
                                                -----                  -----
                Basin wide percent of average    100                     97 


WIND RIVER

 BURROUGHS CREEK          8750     5.3     5.6    95      6.4     6.8    94 
 COLD SPRINGS             9630      -M     4.1      *      -M     5.1      *
 DEER PARK                9700     5.0     5.9    85      6.4     9.4    68 
 HOBBS PARK              10100     4.1     6.9    59      3.8     5.7    67 
 LITTLE WARM              9370     3.5     4.6    76      4.3     5.9    73 
 SOUTH PASS               9040     5.3     7.2    74      5.6     8.0    70 
 ST. LAWRENCE ALT         8620     1.7     3.4    50      2.1     4.2    50 
 TOGWOTEE PASS            9580     8.4     9.9    85      8.6    10.2    84 
 TOWNSEND CREEK           8700     2.9     3.9    74      3.5     5.4    65 
                                                -----                  -----
                Basin wide percent of average     76                     73 


BIGHORN BASIN

 BALD MTN.                9380     5.7     8.3    69      5.2     7.3    71 
 BEAR TRAP MEADOW         8200     2.5     2.2   114      2.9     4.1    71 
 BLACKWATER               9780    10.9    10.5   104      9.7     9.4   103 
 BONE SPRINGS DIV         9350     5.5     6.8    81      6.3     6.4    98 
 EVENING STAR             9200     9.1    11.9    76     12.2    11.1   110 
 GRAVE SPRINGS            8550     2.8     3.4    82      2.7     4.4    61 
 KIRWIN                   9550     2.5     5.3    47      3.4     5.2    65 
 MARQUETTE                8760     3.5     4.5    78      3.9     4.8    81 
 MIDDLE POWDER            7760     3.6     4.9    73      3.5     6.1    57 
 OWL CREEK                8975     1.0     2.4    42      1.3     2.6    50 
 POWDER RIVER PASS        9480     3.9     4.5    87      4.5     5.3    85 
 SHELL CREEK              9580     5.8     6.4    91      5.6     5.8    97 
 SYLVAN LAKE              8420      -M     8.9      *      -M     9.5      *
 SYLVAN ROAD              7120     5.6     5.3   106      7.7     8.7    89 
 TIMBER CREEK             7950     1.3     2.7    48      2.0     3.4    59 
 YOUNTS PEAK              8350     4.2     6.7    63      5.8     7.0    83 
                                                -----                  -----
                Basin wide percent of average     79                     84 


SHOSHONE RIVER

 BLACKWATER               9780    10.9    10.5   104      9.7     9.4   103 
 EVENING STAR             9200     9.1    11.9    76     12.2    11.1   110 
 KIRWIN                   9550     2.5     5.3    47      3.4     5.2    65 
 MARQUETTE                8760     3.5     4.5    78      3.9     4.8    81 
 SYLVAN LAKE              8420      -M     8.9      *      -M     9.5      *
 SYLVAN ROAD              7120     5.6     5.3   106      7.7     8.7    89 
 YOUNTS PEAK              8350     4.2     6.7    63      5.8     7.0    83 
                                                -----                  -----
                Basin wide percent of average     81                     92 


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.5     2.2   114      2.9     4.1    71 
 BIG GOOSE                7990     3.7     3.6   103      4.4     3.9   113 
 BONE SPRINGS DIV         9350     5.5     6.8    81      6.3     6.4    98 
 BURGESS JUNCTION         7880     3.9     4.7    83      4.4     5.4    81 
 CLOUD PEAK RESERVOIR     9860     4.7     4.9    96      4.6     5.8    79 
 DOME LAKE                8880     4.6     5.3    87      5.4     6.1    89 
 GRAVE SPRINGS            8550     2.8     3.4    82      2.7     4.4    61 
 HANSEN SAWMILL           8360     2.6     2.8    93      2.6     3.9    67 
 MIDDLE POWDER            7760     3.6     4.9    73      3.5     6.1    57 
 POWDER RIVER PASS        9480     3.9     4.5    87      4.5     5.3    85 
 SUCKER CREEK             8880     3.9     4.4    89      5.0     5.8    86 
 TIE CREEK                6870     2.5     1.8   139      3.7     4.6    80 
                                                -----                  -----
                Basin wide percent of average     90                     81 


BELLE FOURCHE

 BLIND PARK               6890     1.8     2.8    64      3.7     5.5    67 
 COLE CANYON              5910     1.8     2.6    69      2.7      -M      *
 NORTH RAPID CREEK        6130     2.3     2.7    85      3.4     4.7    72 
                                                -----                  -----
                Basin wide percent of average     73                     70 


UPPER N. PLATTE RIVER

 COLUMBINE                9400     9.5     8.0   119     11.4     9.5   120 
 DIVIDE PEAK              8800     7.5     7.6    99      8.4     8.5    99 
 ELK RIVER                8700     7.9     5.5   144      9.8     7.5   131 
 JOE WRIGHT              10120     6.0     8.3    72      8.1    10.3    79 
 NORTH FRENCH CREEK      10100     9.5    11.2    85      9.1    10.3    88 
 OLD BATTLE              10000    13.1    12.6   104     14.1    13.4   105 
 SAGE CREEK BASIN         7850     4.9     4.4   111      6.1     4.9   124 
 SOUTH BRUSH CREEK        8400     3.6     4.3    84      4.4     6.8    65 
 TOWER                   10500    17.7    17.6   101     18.8    15.1   125 
 WEBBER SPRINGS           9200    10.0     9.7   103     11.3    11.0   103 
 WILLOW CREEK PASS        9540     4.0     4.8    83      3.9     5.6    70 
                                                -----                  -----
                Basin wide percent of average    100                    102 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     7.2     8.9    81      6.8     8.6    79 
 CASPER MTN.              7900     4.1     6.1    67      3.6     6.4    56 
 DEADMAN HILL            10220     4.5     6.6    68      6.7     6.9    97 
 DEER PARK                9700     5.0     5.9    85      6.4     9.4    68 
 LAPRELE CREEK            8320     3.8     4.5    84      4.5     5.5    82 
 RENO HILL                8400     5.1     5.8    88      4.8     6.4    75 
 ROACH                    9700     7.6     6.1   125      8.2     7.2   114 
 SAND LAKE               10080     9.8    12.8    77      9.5     9.9    96 
 SOUTH PASS               9040     5.3     7.2    74      5.6     8.0    70 
 WINDY PEAK               7840     2.4     3.1    77      3.3     4.8    69 
                                                -----                  -----
                Basin wide percent of average     82                     81 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     5.6     3.0   187      6.1     6.1   100 
 DIVIDE PEAK              8800     7.5     7.6    99      8.4     8.5    99 
 OLD BATTLE              10000    13.1    12.6   104     14.1    13.4   105 
 SANDSTONE RS             8150     3.8     4.0    95      8.3     7.6   109 
 WHISKEY PARK             8950    10.1     9.1   111     10.7    11.1    96 
                                                -----                  -----
                Basin wide percent of average    110                    102 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     4.4     5.8    76      4.3     5.7    75 
 BLIND BULL SUM           8650     9.3    10.9    85      7.7     9.3    83 
 EAST RIM DIVIDE          7930     3.9     4.9    80      4.3     4.9    88 
 ELKHART PARK G.S.        9400     4.8     5.2    92      5.0     5.8    86 
 GROS VENTRE SUMMIT       8775     4.8     5.8    83      4.2     5.6    75 
 KENDALL R.S.             7740     5.4     5.4   100      5.9     5.8   102 
 LOOMIS PARK              8240     6.2     6.7    93      6.6     7.0    94 
 NEW FORK LAKE            8340     3.9     4.4    89      3.8     5.1    75 
 SNIDER BASIN             8250     4.6     5.7    81      4.8     6.6    73 
 SPRING CREEK DIVIDE      9000     8.2    10.5    78      8.2    10.8    76 
 TRIPLE PEAK              8500     8.2     9.8    84      9.5     9.4   101 
                                                -----                  -----
                Basin wide percent of average     85                     85 


LOWER GREEN RIVER

 HAMS FORK                7840     3.3     4.3    77      3.4     4.9    69 
 HEWINTA                  9500     2.9     3.3    88      5.1     6.2    82 
 HICKERSON PARK           9150     2.0     2.3    87      4.1     3.8   108 
 HOLE-IN-ROCK             9150     2.7     2.2   123      3.4     3.6    94 
 INDIAN CREEK             9425     7.8    10.3    76      7.0    10.2    69 
 KELLEY R.S.              8180     4.6     6.3    73      5.6     8.4    67 
 STEEL CREEK PARK        10100     4.3     5.6    77      5.1     6.7    76 
                                                -----                  -----
                Basin wide percent of average     80                     77 


UPPER BEAR RIVER

 BUG LAKE                 7950     5.2     6.5    80      6.6     7.8    85 
 HAYDEN FORK              9400     4.0     5.0    80      3.5     8.5    41 
 KELLEY R.S.              8180     4.6     6.3    73      5.6     8.4    67 
 LILY LAKE                9050     4.2     4.4    95      5.6     7.5    75 
 MONTE CRISTO             8960     7.7     8.6    90      8.7    10.2    85 
 SALT RIVER SUMMIT        7600     4.5     4.3   105      5.3     7.5    71 
 TRIAL LAKE               9960     6.6     8.5    78      8.2     9.5    86 
                                                -----                  -----
                Basin wide percent of average     84                     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.