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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: MARCH 17 , 2001 
-----------------------------------------------------------------------------
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    16.8    51     10.9    21.5    51 
 COTTONWOOD CREEK         7600    14.9    21.9    68     16.1    24.1    67 
 GRANITE CREEK            6770    11.0    17.3    64     13.4    22.6    59 
 GRASSY LAKE              7265    19.1    33.4    57     21.0    35.4    59 
 GROS VENTRE SUMMIT       8775     8.7    14.6    60      7.8    15.3    51 
 LEWIS LAKE DIVIDE        7860    15.6    33.1    47     16.6    35.9    46 
 PHILLIPS BENCH           8200    15.5    27.3    57       -M    28.4      *
 SALT RIVER SUMMIT        7600     7.9    13.4    59     10.7    16.2    66 
 SNAKE RIVER STATION      6920     9.7    17.8    54     13.0    24.8    52 
 SPRING CREEK DIVIDE      9000    15.4    26.1    59     15.2    26.2    58 
 THUMB DIVIDE             7980     6.7    16.0    42      8.9    20.1    44 
 TOGWOTEE PASS            9580    14.9    23.2    64     15.2    26.9    57 
 TWO OCEAN PLATEAU        9360    16.6    24.9    67     14.6    29.6    49 
 WILLOW CREEK             8450    16.6    28.6    58     20.9    30.8    68 
                                                -----                  -----
                Basin wide percent of average     58                     56 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    10.5    22.0    48      9.6    16.7    57 
 BLACK BEAR               7950    20.4    35.6    57     21.3    37.6    57 
 CANYON                   7940     8.1    12.0    68     10.3    13.3    77 
 FISHER CREEK             9100    16.9    33.5    50     17.8    34.0    52 
 MADISON PLATEAU          7750    11.8    22.9    52     14.1    24.3    58 
 NORTHEAST ENTRANCE       7350     4.7     8.8    53      6.6    11.1    59 
 PARKER PEAK              9400    12.5    20.2    62     11.2    14.4    78 
 SYLVAN LAKE              8420    11.5    20.6    56     14.6    17.8    82 
 THUMB DIVIDE             7980     6.7    16.0    42      8.9    20.1    44 
 TWO OCEAN PLATEAU        9360    16.6    24.9    67     14.6    29.6    49 
 WHISKEY CREEK            6800     6.6    16.2    41     11.9    20.2    59 
 WHITE MILL               8700    11.8    23.7    50     11.6    26.3    44 
 WOLVERINE                7650     6.6    11.1    59      6.6    11.9    55 
                                                -----                  -----
                Basin wide percent of average     54                     57 


WIND RIVER

 BURROUGHS CREEK          8750     8.7    14.3    61      8.5    15.4    55 
 COLD SPRINGS             9630     3.2     7.8    41      4.2     9.5    44 
 DEER PARK                9700    10.1      -M      *    11.0      -M      *
 HOBBS PARK              10100     6.1    13.7    45      5.5    12.7    43 
 LITTLE WARM              9620     6.5    10.5    62      6.8    12.1    56 
 SOUTH PASS               9040     8.7    15.3    57      8.2    15.5    53 
 ST. LAWRENCE ALT         8620     2.9     7.1    41      3.6     9.1    40 
 TOGWOTEE PASS            9580    14.9    23.2    64     15.2    26.9    57 
 TOWNSEND CREEK           8700     4.9     9.1    54      5.5    11.2    49 
                                                -----                  -----
                Basin wide percent of average     55                     51 


BIGHORN BASIN

 BALD MTN.                9375    11.9    19.0    63     10.7    15.8    68 
 BEAR TRAP MEADOW         7900     4.6     6.6    70      4.3     7.3    59 
 BLACKWATER               9780    12.0    20.5    59     11.2    16.7    67 
 BONE SPRINGS DIV         9350     8.8    15.1    58      9.4    13.5    70 
 EVENING STAR             9200    12.3    25.1    49     16.1    20.9    77 
 GRAVE SPRINGS            8550     5.4     8.6    63      5.8     8.5    68 
 KIRWIN                   9550     5.0     9.1    55      5.7     9.7    59 
 MARQUETTE                8760     3.2     7.4    43      4.3     8.3    52 
 MIDDLE POWDER            7760     7.1    11.1    64      6.3    10.5    60 
 OWL CREEK                8975     2.9     4.2    69      3.2     5.6    57 
 POWDER RIVER PASS        9480     5.3    10.0    53      7.0    10.5    67 
 SHELL CREEK              9580     8.4    13.9    60      8.0    11.9    67 
 SYLVAN LAKE              8420    11.5    20.6    56     14.6    17.8    82 
 SYLVAN ROAD              8120     6.6    12.3    54     10.7    14.9    72 
 TIMBER CREEK             7950     2.5     5.7    44      3.7     6.1    61 
 YOUNTS PEAK              8350     7.5    16.2    46      8.4    15.3    55 
                                                -----                  -----
                Basin wide percent of average     56                     67 


SHOSHONE RIVER

 BLACKWATER               9780    12.0    20.5    59     11.2    16.7    67 
 EVENING STAR             9200    12.3    25.1    49     16.1    20.9    77 
 KIRWIN                   9550     5.0     9.1    55      5.7     9.7    59 
 MARQUETTE                8760     3.2     7.4    43      4.3     8.3    52 
 SYLVAN LAKE              8420    11.5    20.6    56     14.6    17.8    82 
 SYLVAN ROAD              8120     6.6    12.3    54     10.7    14.9    72 
 YOUNTS PEAK              8350     7.5    16.2    46      8.4    15.3    55 
                                                -----                  -----
                Basin wide percent of average     52                     69 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.6     6.6    70      4.3     7.3    59 
 BIG GOOSE                7990     5.0      -M      *     6.1      -M      *
 BONE SPRINGS DIV         9350     8.8    15.1    58      9.4    13.5    70 
 BURGESS JUNCTION         7880     6.8    10.8    63      6.8    10.1    67 
 CLOUD PEAK RESERVOIR     9860     8.2    13.2    62      7.6    11.8    64 
 DOME LAKE                8880     7.7    12.7    61      7.0    11.8    59 
 GRAVE SPRINGS            8550     5.4     8.6    63      5.8     8.5    68 
 HANSEN SAWMILL           8760     4.0     6.6    61      5.0     7.0    71 
 MIDDLE POWDER            7760     7.1    11.1    64      6.3    10.5    60 
 POWDER RIVER PASS        9480     5.3    10.0    53      7.0    10.5    67 
 SUCKER CREEK             8880     6.7    11.1    60      8.0    11.8    68 
 TIE CREEK                6870     4.1      -M      *     6.5     9.6    68 
                                                -----                  -----
                Basin wide percent of average     61                     66 


BELLE FOURCHE

 BLIND PARK               6890     7.0    10.2    69      9.6     8.8   109 
 COLE CANYON              5910     5.4     5.7    95      8.8     7.1   124 
 NORTH RAPID CREEK        6130     7.3      -M      *     7.9      -M      *
                                                -----                  -----
                Basin wide percent of average     78                    116 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    20.2    23.6    86     18.9    22.6    84 
 DIVIDE PEAK              8800    13.2    19.0    69     15.4    20.8    74 
 ELK RIVER                8700    16.3    18.6    88     14.6    17.4    84 
 JOE WRIGHT              10120    15.8    19.9    79     17.0    22.7    75 
 NORTH FRENCH CREEK      10100    23.4    23.2   101     17.4    21.3    82 
 OLD BATTLE              10000    21.4    29.1    74     23.6    27.4    86 
 SOUTH BRUSH CREEK        8400     8.7    11.5    76       -M    14.7      *
 TOWER                   10500    32.7    41.7    78     30.6    33.2    92 
 WEBBER SPRINGS           9200    15.7    25.3    62     16.9    23.0    73 
 WILLOW CREEK PASS        9540    10.6    10.7    99     11.1    11.3    98 
                                                -----                  -----
                Basin wide percent of average     80                     83 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    15.1    23.0    66     13.6    17.5    78 
 CASPER MTN.              7900    10.7    14.2    75      9.1    12.5    73 
 DEADMAN HILL            10220      -M    15.2      *    10.2    14.9    68 
 DEER PARK                9700    10.1      -M      *    11.0      -M      *
 LAPRELE CREEK            8320     9.1     9.5    96      9.0    10.5    86 
 RENO HILL                8400    11.5    12.5    92     10.6    17.0    62 
 ROACH                    9700    10.6    15.8    67     12.1    19.3    63 
 SAND LAKE               10080    21.8    30.2    72     18.1    18.5    98 
 SOUTH PASS               9040     8.7    15.3    57      8.2    15.5    53 
 WINDY PEAK               7840     7.2     7.7    94      8.1     8.3    98 
                                                -----                  -----
                Basin wide percent of average     74                     74 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.5    10.9    96     11.3    14.0    81 
 DIVIDE PEAK              8800    13.2    19.0    69     15.4    20.8    74 
 OLD BATTLE              10000    21.4    29.1    74     23.6    27.4    86 
 SANDSTONE RS             8150    10.7    13.8    78     14.2    17.1    83 
 WHISKEY PARK             8950    19.2    26.6    72     18.2    25.4    72 
                                                -----                  -----
                Basin wide percent of average     75                     79 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     8.9    13.6    65      8.2    15.6    53 
 BLIND BULL SUM           8650    13.6    27.4    50     11.6    22.9    51 
 EAST RIM DIVIDE          7930     9.1    13.3    68      8.2    14.6    56 
 ELKHART PARK G.S.        9400     9.8    12.9    76      9.7    15.3    63 
 GROS VENTRE SUMMIT       8775     8.7    14.6    60      7.8    15.3    51 
 KENDALL R.S.             7740     8.0    14.4    56      8.3    14.9    56 
 LOOMIS PARK              8240    10.7    16.6    64     10.9    18.1    60 
 NEW FORK LAKE            8340     8.0    10.8    74      7.6    13.9    55 
 SNIDER BASIN             8250     8.5    14.1    60      9.0    14.6    62 
 SPRING CREEK DIVIDE      9000    15.4    26.1    59     15.2    26.2    58 
 TRIPLE PEAK              8500    13.5    24.0    56     15.1    29.9    51 
                                                -----                  -----
                Basin wide percent of average     61                     55 


LOWER GREEN RIVER

 HAMS FORK                7840     8.1    11.9    68      7.2    12.8    56 
 HEWINTA                  9500     7.7    10.2    75     10.1    11.7    86 
 HICKERSON PARK           9150     8.2     5.9   139      9.8     8.4   117 
 HOLE-IN-ROCK             9150     6.2     5.6   111      8.8     8.4   105 
 INDIAN CREEK             9425    15.5    26.4    59     13.4    24.6    54 
 KELLEY R.S.              8180     9.6    16.1    60     11.5    18.0    64 
 STEEL CREEK PARK        10100    10.3    14.6    71     10.9    11.6    94 
                                                -----                  -----
                Basin wide percent of average     72                     75 


UPPER BEAR RIVER

 BUG LAKE                 7950    12.4    19.2    65     11.7    17.8    66 
 HAYDEN FORK              9400    10.5    15.5    68     14.6    17.2    85 
 KELLEY R.S.              8180     9.6    16.1    60     11.5    18.0    64 
 LILY LAKE                9050     9.1    12.0    76     11.4    13.3    86 
 MONTE CRISTO             8960    16.7    26.8    62     17.1    23.3    73 
 SALT RIVER SUMMIT        7600     7.9    13.4    59     10.7    16.2    66 
 TRIAL LAKE               9960    13.6    23.9    57     15.6    21.9    71 
                                                -----                  -----
                Basin wide percent of average     63                     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 1961-90.

Provisional data, subject to revision.