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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 FRIDAY: APRIL 4 , 2003 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    20.2    17.8   113     22.8    22.0   104 
 COTTONWOOD CREEK         7600    23.3    24.1    97     24.7    28.2    88 
 GRANITE CREEK            6770    14.5    18.3    79     17.4    20.3    86 
 GRASSY LAKE              7265    33.2    36.3    91     33.3    36.9    90 
 GROS VENTRE SUMMIT       8775    13.2    14.4    92     11.9    13.2    90 
 LEWIS LAKE DIVIDE        7860    34.8    36.0    97     30.7    37.6    82 
 PHILLIPS BENCH           8200      -M    29.5      *      -M    29.8      *
 SALT RIVER SUMMIT        7600    12.2    14.6    84     14.4    19.3    75 
 SNAKE RIVER STATION      6920    14.7    18.8    78     21.5    22.8    94 
 SPRING CREEK DIVIDE      9000    26.2    27.2    96     24.0    27.1    89 
 THUMB DIVIDE             7980    16.2    19.1    85     16.8    19.4    87 
 TOGWOTEE PASS            9580    24.3    25.5    95     24.4    25.3    96 
 TWO OCEAN PLATEAU        9360    32.9    28.9   114     26.9    28.4    95 
 WILLOW CREEK             8450    30.3    30.9    98     34.3    33.1   104 
                                                -----                  -----
                Basin wide percent of average     95                     91 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    26.4    24.0   110     22.9    20.6   111 
 BLACK BEAR               8170    33.0    40.0    82     30.6    41.4    74 
 CANYON                   8090    14.1    13.9   101     14.6    15.8    92 
 FISHER CREEK             9100    37.2    35.7   104     34.2    37.3    92 
 MADISON PLATEAU          7750    19.9    25.6    78     19.3    27.4    70 
 NORTHEAST ENTRANCE       7350    11.2    11.2   100     13.5    13.0   104 
 PARKER PEAK              9400    25.3    22.2   114     20.6    16.7   123 
 SYLVAN LAKE              8420      -M    23.1      *      -M    21.5      *
 THUMB DIVIDE             7980    16.2    19.1    85     16.8    19.4    87 
 TWO OCEAN PLATEAU        9360    32.9    28.9   114     26.9    28.4    95 
 WHISKEY CREEK            6800    11.9    17.5    68     14.7    21.5    68 
 WHITE MILL               8700    27.4    24.9   110     23.6    27.7    85 
 WOLVERINE                7650    12.4    11.5   108     12.1    13.1    92 
                                                -----                  -----
                Basin wide percent of average     98                     88 


WIND RIVER

 BURROUGHS CREEK          8750    18.0    14.9   121     19.2    16.7   115 
 COLD SPRINGS             9630     8.9     8.6   103     10.6    11.0    96 
 DEER PARK                9700    15.2    17.1    89     17.8    22.6    79 
 HOBBS PARK              10100    14.9    15.5    96     13.1    13.3    98 
 LITTLE WARM              9370    10.1    12.1    83     11.4    13.8    83 
 SOUTH PASS               9040    14.6    16.9    86     14.7    19.0    77 
 ST. LAWRENCE ALT         8620     8.0     7.4   108      8.9     9.2    97 
 TOGWOTEE PASS            9580    24.3    25.5    95     24.4    25.3    96 
 TOWNSEND CREEK           8700    10.4     9.0   116     12.2    12.1   101 
                                                -----                  -----
                Basin wide percent of average     98                     93 


BIGHORN BASIN

 BALD MTN.                9380    19.5    20.3    96     17.5    17.9    98 
 BEAR TRAP MEADOW         8200     6.8     5.1   133      7.7     8.6    90 
 BLACKWATER               9780    26.4    25.2   105     22.8    21.1   108 
 BONE SPRINGS DIV         9350    17.7    16.7   106     16.4    15.1   109 
 EVENING STAR             9200    30.6    30.5   100     32.2    25.9   124 
 GRAVE SPRINGS            8550     6.6     9.7    68      7.8    10.0    78 
 KIRWIN                   9550    12.6    11.7   108     13.2    11.6   114 
 MARQUETTE                8760    12.9     9.3   139     13.4    10.2   131 
 MIDDLE POWDER            7760     8.5    12.3    69      7.2    12.7    57 
 OWL CREEK                8975     7.3     5.5   133      6.3     6.1   103 
 POWDER RIVER PASS        9480    10.8    11.1    97     12.0    12.7    94 
 SHELL CREEK              9580    16.1    15.2   106     14.5    13.7   106 
 SYLVAN LAKE              8420      -M    23.1      *      -M    21.5      *
 SYLVAN ROAD              7120    14.3    12.7   113     17.9    18.1    99 
 TIMBER CREEK             7950     6.4     5.8   110      7.7     7.7   100 
 YOUNTS PEAK              8350    17.1    17.5    98     16.8    16.6   101 
                                                -----                  -----
                Basin wide percent of average    102                    103 


SHOSHONE RIVER

 BLACKWATER               9780    26.4    25.2   105     22.8    21.1   108 
 EVENING STAR             9200    30.6    30.5   100     32.2    25.9   124 
 KIRWIN                   9550    12.6    11.7   108     13.2    11.6   114 
 MARQUETTE                8760    12.9     9.3   139     13.4    10.2   131 
 SYLVAN LAKE              8420      -M    23.1      *      -M    21.5      *
 SYLVAN ROAD              7120    14.3    12.7   113     17.9    18.1    99 
 YOUNTS PEAK              8350    17.1    17.5    98     16.8    16.6   101 
                                                -----                  -----
                Basin wide percent of average    107                    112 


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     6.8     5.1   133      7.7     8.6    90 
 BIG GOOSE                7990    12.4    11.1   112     13.6     8.9   153 
 BONE SPRINGS DIV         9350    17.7    16.7   106     16.4    15.1   109 
 BURGESS JUNCTION         7880    12.6    12.0   105     13.0    12.5   104 
 CLOUD PEAK RESERVOIR     9860    16.5    13.9   119     14.1    13.3   106 
 DOME LAKE                8880    14.6    12.9   113     15.1    13.6   111 
 GRAVE SPRINGS            8550     6.6     9.7    68      7.8    10.0    78 
 HANSEN SAWMILL           8360     9.2     6.4   144     10.7     8.5   126 
 MIDDLE POWDER            7760     8.5    12.3    69      7.2    12.7    57 
 POWDER RIVER PASS        9480    10.8    11.1    97     12.0    12.7    94 
 SUCKER CREEK             8880    15.0    12.2   123     15.7    14.0   112 
 TIE CREEK                6870     8.0     5.9   136     13.2    10.3   128 
                                                -----                  -----
                Basin wide percent of average    107                    104 


BELLE FOURCHE

 BLIND PARK               6890     7.3     8.5    86     10.2    11.4    89 
 COLE CANYON              5910     3.5      -M      *     6.5      -M      *
 NORTH RAPID CREEK        6130     5.4     8.4    64      8.3     8.9    93 
                                                -----                  -----
                Basin wide percent of average     75                     91 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    22.5    24.9    90     24.2    25.7    94 
 DIVIDE PEAK              8800    21.9    20.2   108     21.0    21.2    99 
 ELK RIVER                8700    17.9    19.6    91     19.4    20.0    97 
 JOE WRIGHT              10120    24.8    21.9   113     28.7    25.4   113 
 NORTH FRENCH CREEK      10100    31.6    30.2   105     29.7    25.3   117 
 OLD BATTLE              10000    30.3    32.9    92     33.7    35.3    95 
 SAGE CREEK BASIN         7850    10.8    11.7    92     12.6    12.3   102 
 SOUTH BRUSH CREEK        8400    13.7    13.2   104     17.3    16.8   103 
 TOWER                   10500    43.9    46.6    94     33.9    39.2    86 
 WEBBER SPRINGS           9200    22.4    26.3    85     25.6    27.2    94 
 WILLOW CREEK PASS        9540    15.8    12.4   127     14.3    13.2   108 
                                                -----                  -----
                Basin wide percent of average     98                    100 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    18.2    24.5    74     21.3    22.6    94 
 CASPER MTN.              7900    14.6    15.1    97     11.4    14.9    77 
 DEADMAN HILL            10220    14.3    16.8    85     17.8    17.4   102 
 DEER PARK                9700    15.2    17.1    89     17.8    22.6    79 
 LAPRELE CREEK            8320     8.4    10.8    78     10.7    13.0    82 
 RENO HILL                8400    12.3    14.6    84     13.1    15.5    85 
 ROACH                    9700    17.8    17.5   102     19.8    19.1   104 
 SAND LAKE               10080    26.2    33.2    79     19.9    24.7    81 
 SOUTH PASS               9040    14.6    16.9    86     14.7    19.0    77 
 WINDY PEAK               7840     9.9     8.1   122     11.3    10.9   104 
                                                -----                  -----
                Basin wide percent of average     87                     88 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.1    10.5    96     15.5    16.2    96 
 DIVIDE PEAK              8800    21.9    20.2   108     21.0    21.2    99 
 OLD BATTLE              10000    30.3    32.9    92     33.7    35.3    95 
 SANDSTONE RS             8150    13.0    14.5    90     18.5    19.1    97 
 WHISKEY PARK             8950    27.9    30.5    91     27.4    29.3    94 
                                                -----                  -----
                Basin wide percent of average     95                     96 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    12.1    14.8    82     11.3    13.7    82 
 BLIND BULL SUM           8650    23.9    28.4    84     17.4    22.8    76 
 EAST RIM DIVIDE          7930    10.8    13.5    80     10.6    12.4    85 
 ELKHART PARK G.S.        9400    13.3    13.7    97     12.9    13.7    94 
 GROS VENTRE SUMMIT       8775    13.2    14.4    92     11.9    13.2    90 
 KENDALL R.S.             7740    13.1    14.4    91     13.3    14.9    89 
 LOOMIS PARK              8240    18.7    17.4   107     16.4    17.8    92 
 NEW FORK LAKE            8340    10.9    11.3    96       -M    11.6      *
 SNIDER BASIN             8250    13.5    14.7    92     13.6    16.5    82 
 SPRING CREEK DIVIDE      9000    26.2    27.2    96     24.0    27.1    89 
 TRIPLE PEAK              8500    25.2    25.3   100     26.9    25.5   105 
                                                -----                  -----
                Basin wide percent of average     93                     89 


LOWER GREEN RIVER

 HAMS FORK                7840    12.0    11.6   103     11.0    12.5    88 
 HEWINTA                  9500     9.8    12.1    81     12.0    15.0    80 
 HICKERSON PARK           9150     6.9     7.8    88      8.3     8.2   101 
 HOLE-IN-ROCK             9150     7.4     7.2   103      8.8     7.7   114 
 INDIAN CREEK             9425    24.1    28.5    85     20.1    26.1    77 
 KELLEY R.S.              8180    13.9    17.1    81     14.8    20.9    71 
 STEEL CREEK PARK        10100    13.1    16.2    81     13.1    16.7    78 
                                                -----                  -----
                Basin wide percent of average     87                     82 


UPPER BEAR RIVER

 BUG LAKE                 7950    16.4    21.3    77     16.2    19.8    82 
 HAYDEN FORK              9400    14.9    16.6    90     18.0    21.6    83 
 KELLEY R.S.              8180    13.9    17.1    81     14.8    20.9    71 
 LILY LAKE                9050    12.1    13.7    88     14.2    18.0    79 
 MONTE CRISTO             8960    15.6    30.2    52     20.9    26.2    80 
 SALT RIVER SUMMIT        7600    12.2    14.6    84     14.4    19.3    75 
 TRIAL LAKE               9960    14.8    25.5    58     16.6    25.6    65 
                                                -----                  -----
                Basin wide percent of average     72                     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.