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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 MONDAY: MARCH 17 , 2003 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    19.1    17.4   110     20.1    20.2   100 
 COTTONWOOD CREEK         7600    21.4    21.7    99     22.4    25.5    88 
 GRANITE CREEK            6770    14.4    18.0    80     15.9    18.8    85 
 GRASSY LAKE              7265    29.2    33.2    88     29.2    33.8    86 
 GROS VENTRE SUMMIT       8775    11.0    13.1    84     10.2    11.9    86 
 LEWIS LAKE DIVIDE        7860    30.7    33.2    92     27.2    34.4    79 
 PHILLIPS BENCH           8200      -M    26.8      *      -M    27.1      *
 SALT RIVER SUMMIT        7600    11.4    13.5    84     13.2    17.5    75 
 SNAKE RIVER STATION      6920    14.7    18.4    80     19.2    21.0    91 
 SPRING CREEK DIVIDE      9000    23.6    24.7    96     21.7    24.7    88 
 THUMB DIVIDE             7980    13.6    17.6    77     13.8    17.6    78 
 TOGWOTEE PASS            9580    21.8    23.0    95     21.8    22.9    95 
 TWO OCEAN PLATEAU        9360    27.9    25.9   108     23.2    25.8    90 
 WILLOW CREEK             8450    26.7    28.3    94     30.4    29.9   102 
                                                -----                  -----
                Basin wide percent of average     92                     88 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    24.0    22.1   109     21.0    18.8   112 
 BLACK BEAR               8170    29.4    36.8    80     27.3    37.2    73 
 CANYON                   8090    12.5    12.8    98     13.2    14.3    92 
 FISHER CREEK             9100    33.0    32.7   101     30.1    33.8    89 
 MADISON PLATEAU          7750      -M    23.5      *      -M    24.7      *
 NORTHEAST ENTRANCE       7350    10.3    10.7    96     11.9    11.8   101 
 PARKER PEAK              9400    21.7    20.1   108     18.0    15.1   119 
 SYLVAN LAKE              8420    18.8    20.9    90     20.8    19.6   106 
 THUMB DIVIDE             7980    13.6    17.6    77     13.8    17.6    78 
 TWO OCEAN PLATEAU        9360    27.9    25.9   108     23.2    25.8    90 
 WHISKEY CREEK            6800    10.7    16.1    66     13.1    19.4    68 
 WHITE MILL               8700    24.4    22.6   108     21.0    25.1    84 
 WOLVERINE                7650    12.2    11.3   108     11.1    12.1    92 
                                                -----                  -----
                Basin wide percent of average     96                     90 


WIND RIVER

 BURROUGHS CREEK          8750    16.1    13.7   118     17.3    15.1   115 
 COLD SPRINGS             9630     7.7     8.1    95      9.2     9.6    96 
 DEER PARK                9700    11.8    15.5    76     14.3    20.0    72 
 HOBBS PARK              10100    11.1    13.3    83     10.1    11.4    89 
 LITTLE WARM              9370     9.1    10.8    84     10.2    12.2    84 
 SOUTH PASS               9040    11.6    15.6    74     11.9    16.9    70 
 ST. LAWRENCE ALT         8620     5.7     6.7    85      6.9     8.0    86 
 TOGWOTEE PASS            9580    21.8    23.0    95     21.8    22.9    95 
 TOWNSEND CREEK           8700     7.4     7.7    96      8.9    10.3    86 
                                                -----                  -----
                Basin wide percent of average     89                     88 


BIGHORN BASIN

 BALD MTN.                9380    17.2    17.9    96     15.6    15.9    98 
 BEAR TRAP MEADOW         8200     4.7     4.9    96      5.2     7.4    70 
 BLACKWATER               9780    22.6    22.7   100     19.6    19.0   103 
 BONE SPRINGS DIV         9350    14.4    14.6    99     13.4    13.2   102 
 EVENING STAR             9200    27.1    27.6    98     28.6    23.7   121 
 GRAVE SPRINGS            8550     4.2     8.3    51      5.1     8.8    58 
 KIRWIN                   9550     9.6    10.3    93     10.5    10.3   102 
 MARQUETTE                8760     8.5     7.8   109      9.4     8.7   108 
 MIDDLE POWDER            7760     5.3    10.3    51      5.3    11.0    48 
 OWL CREEK                8975     6.1     4.8   127      5.5     5.2   106 
 POWDER RIVER PASS        9480     9.3     9.8    95     10.5    11.2    94 
 SHELL CREEK              9580    14.0    13.2   106     12.6    12.1   104 
 SYLVAN LAKE              8420    18.8    20.9    90     20.8    19.6   106 
 SYLVAN ROAD              7120    12.9    12.3   105     16.2    16.7    97 
 TIMBER CREEK             7950     4.6     5.0    92      5.7     6.4    89 
 YOUNTS PEAK              8350    15.9    15.9   100     15.4    15.0   103 
                                                -----                  -----
                Basin wide percent of average     95                     98 


SHOSHONE RIVER

 BLACKWATER               9780    22.6    22.7   100     19.6    19.0   103 
 EVENING STAR             9200    27.1    27.6    98     28.6    23.7   121 
 KIRWIN                   9550     9.6    10.3    93     10.5    10.3   102 
 MARQUETTE                8760     8.5     7.8   109      9.4     8.7   108 
 SYLVAN LAKE              8420    18.8    20.9    90     20.8    19.6   106 
 SYLVAN ROAD              7120    12.9    12.3   105     16.2    16.7    97 
 YOUNTS PEAK              8350    15.9    15.9   100     15.4    15.0   103 
                                                -----                  -----
                Basin wide percent of average     98                    107 


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     4.7     4.9    96      5.2     7.4    70 
 BIG GOOSE                7990     8.3     8.9    93      9.0     7.7   117 
 BONE SPRINGS DIV         9350    14.4    14.6    99     13.4    13.2   102 
 BURGESS JUNCTION         7880     9.6    10.2    94     10.0    10.9    92 
 CLOUD PEAK RESERVOIR     9860    12.3    11.6   106      9.9    11.4    87 
 DOME LAKE                8880    10.6    10.7    99     10.9    11.7    93 
 GRAVE SPRINGS            8550     4.2     8.3    51      5.1     8.8    58 
 HANSEN SAWMILL           8360     6.9     5.9   117      7.6     7.3   104 
 MIDDLE POWDER            7760     5.3    10.3    51      5.3    11.0    48 
 POWDER RIVER PASS        9480     9.3     9.8    95     10.5    11.2    94 
 SUCKER CREEK             8880    10.7    10.3   104     11.8    12.1    98 
 TIE CREEK                6870     5.6     5.8    97      9.6     8.9   108 
                                                -----                  -----
                Basin wide percent of average     92                     89 


BELLE FOURCHE

 BLIND PARK               6890     7.5     8.3    90      9.2    10.2    90 
 COLE CANYON              5910     4.9      -M      *     6.1      -M      *
 NORTH RAPID CREEK        6130     6.2     7.6    82      6.8     8.1    84 
                                                -----                  -----
                Basin wide percent of average     86                     87 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      -M    23.9      *    21.2    23.2    91 
 DIVIDE PEAK              8800    15.6    18.0    87     16.2    19.0    85 
 ELK RIVER                8700    15.3    17.9    85     16.2    18.0    90 
 JOE WRIGHT              10120    17.3    19.3    90     21.4    22.6    95 
 NORTH FRENCH CREEK      10100    24.9    26.0    96     24.6    22.6   109 
 OLD BATTLE              10000      -M    29.6      *      -M    31.8      *
 SAGE CREEK BASIN         7850     8.6    10.5    82     11.2    11.0   102 
 SOUTH BRUSH CREEK        8400    11.5    11.8    97     14.2    14.9    95 
 TOWER                   10500    37.6    41.7    90     33.9    35.4    96 
 WEBBER SPRINGS           9200    17.3    24.5    71     19.9    24.5    81 
 WILLOW CREEK PASS        9540    12.4    10.8   115     11.9    11.7   102 
                                                -----                  -----
                Basin wide percent of average     89                     94 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    14.6    21.3    69     16.8    19.9    84 
 CASPER MTN.              7900     8.3    12.7    65      7.4    12.8    58 
 DEADMAN HILL            10220     8.7    14.6    60     11.3    15.2    74 
 DEER PARK                9700    11.8    15.5    76     14.3    20.0    72 
 LAPRELE CREEK            8320     5.6    10.1    55      7.0    11.3    62 
 RENO HILL                8400     8.0    12.3    65      8.5    13.3    64 
 ROACH                    9700    11.6    15.5    75     13.3    16.9    79 
 SAND LAKE               10080    18.9    29.2    65     19.1    21.8    88 
 SOUTH PASS               9040    11.6    15.6    74     11.9    16.9    70 
 WINDY PEAK               7840     5.6     7.3    77      6.7     9.6    70 
                                                -----                  -----
                Basin wide percent of average     68                     74 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.6    11.2   104     14.0    14.2    99 
 DIVIDE PEAK              8800    15.6    18.0    87     16.2    19.0    85 
 OLD BATTLE              10000      -M    29.6      *      -M    31.8      *
 SANDSTONE RS             8150    11.2    14.3    78     16.4    17.3    95 
 WHISKEY PARK             8950    25.2    27.7    91     23.7    26.2    90 
                                                -----                  -----
                Basin wide percent of average     89                     92 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     9.8    13.5    73     10.0    12.4    81 
 BLIND BULL SUM           8650    20.5    26.0    79     15.5    20.9    74 
 EAST RIM DIVIDE          7930     9.5    12.2    78      9.4    11.2    84 
 ELKHART PARK G.S.        9400      -M    12.5      *      -M    12.2      *
 GROS VENTRE SUMMIT       8775    11.0    13.1    84     10.2    11.9    86 
 KENDALL R.S.             7740    12.2    14.0    87     12.2    13.6    90 
 LOOMIS PARK              8240    16.6    16.4   101     14.7    16.2    91 
 NEW FORK LAKE            8340     9.8    10.6    92       -M    10.5      *
 SNIDER BASIN             8250    12.5    13.7    91     12.1    15.0    81 
 SPRING CREEK DIVIDE      9000    23.6    24.7    96     21.7    24.7    88 
 TRIPLE PEAK              8500    23.1    23.3    99     24.0    23.0   104 
                                                -----                  -----
                Basin wide percent of average     89                     87 


LOWER GREEN RIVER

 HAMS FORK                7840    10.4    12.2    85      9.6    11.4    84 
 HEWINTA                  9500     7.6    10.6    72      9.6    13.2    73 
 HICKERSON PARK           9150     4.2     6.6    64      6.4     7.1    90 
 HOLE-IN-ROCK             9150     5.8     6.5    89      7.0     6.7   104 
 INDIAN CREEK             9425    21.1    25.5    83     17.8    23.5    76 
 KELLEY R.S.              8180    12.6    15.8    80     13.3    19.0    70 
 STEEL CREEK PARK        10100    10.2    14.4    71     10.6    14.7    72 
                                                -----                  -----
                Basin wide percent of average     78                     78 


UPPER BEAR RIVER

 BUG LAKE                 7950    13.6    19.3    70     13.6    17.9    76 
 HAYDEN FORK              9400    12.4    15.1    82     15.3    19.2    80 
 KELLEY R.S.              8180    12.6    15.8    80     13.3    19.0    70 
 LILY LAKE                9050    10.0    12.1    83     11.7    16.0    73 
 MONTE CRISTO             8960    14.3    27.9    51     18.4    23.5    78 
 SALT RIVER SUMMIT        7600    11.4    13.5    84     13.2    17.5    75 
 TRIAL LAKE               9960    12.2    23.3    52     13.9    22.9    61 
                                                -----                  -----
                Basin wide percent of average     68                     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.