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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: FEBRUARY 21 , 2000 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.0    14.8    95     14.8    19.0    78 
 COTTONWOOD CREEK         7600    17.9    17.3   103     17.5    20.9    84 
 GRANITE CREEK            6770    13.1    14.5    90     14.1    20.0    70 
 GRASSY LAKE              7265    24.8    29.7    84     23.7    30.8    77 
 GROS VENTRE SUMMIT       8775     8.2    12.2    67      7.0    13.5    52 
 LEWIS LAKE DIVIDE        7860    20.0    27.7    72     22.2    31.3    71 
 PHILLIPS BENCH           8200    18.1    22.9    79     17.6    24.7    71 
 SALT RIVER SUMMIT        7600    10.9    11.2    97     11.3    14.3    79 
 SNAKE RIVER STATION      6920    13.6    15.2    89     15.9    21.6    74 
 SPRING CREEK DIVIDE      9000    19.6    21.8    90     18.6    22.8    82 
 THUMB DIVIDE             7980    11.2    13.5    83     11.3    17.8    63 
 TOGWOTEE PASS            9580    15.5    19.7    79     16.5    23.4    71 
 TWO OCEAN PLATEAU        9360    19.1    21.2    90     16.9    26.2    65 
 WILLOW CREEK             8450    22.5    24.7    91     22.8    26.9    85 
                                                -----                  -----
                Basin wide percent of average     86                     73 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    17.4    18.8    93     15.9    14.2   112 
 BLACK BEAR               7950    27.4    29.8    92     22.8    31.6    72 
 CANYON                   7940    10.7    10.0   107     11.4    11.5    99 
 FISHER CREEK             9100    26.9    28.6    94     25.5    29.0    88 
 MADISON PLATEAU          7750    14.8    19.4    76     16.3    20.5    80 
 NORTHEAST ENTRANCE       7350     9.1     7.6   120     10.5     9.7   108 
 PARKER PEAK              9400    14.2    17.0    84       -M    12.4      *
 SYLVAN LAKE              8420    14.8    17.5    85     16.4    15.4   106 
 THUMB DIVIDE             7980    11.2    13.5    83     11.3    17.8    63 
 TWO OCEAN PLATEAU        9360    19.1    21.2    90     16.9    26.2    65 
 WHISKEY CREEK            6800    11.1    13.5    82     12.4    17.0    73 
 WHITE MILL               8700    20.7    20.1   103     18.2    22.5    81 
 WOLVERINE                7650    10.2     9.5   107      9.2    10.4    88 
                                                -----                  -----
                Basin wide percent of average     92                     83 


WIND RIVER

 BURROUGHS CREEK          8750    10.1    12.4    81     10.5    13.2    80 
 COLD SPRINGS             9630     4.6     6.7    69      5.8     8.0    72 
 DEER PARK                9700    10.3      -M      *    12.2      -M      *
 HOBBS PARK              10100     7.9    11.5    69      6.6    10.6    62 
 LITTLE WARM              9620     8.1     8.6    94      9.0    10.3    87 
 SOUTH PASS               9040    10.5    13.3    79     10.2    12.9    79 
 ST. LAWRENCE ALT         8620     2.6     5.8    45      3.6     7.5    48 
 TOGWOTEE PASS            9580    15.5    19.7    79     16.5    23.4    71 
 TOWNSEND CREEK           8700     4.3     7.5    57      5.1     9.2    55 
                                                -----                  -----
                Basin wide percent of average     74                     71 


BIGHORN BASIN

 BALD MTN.                9375    15.9    16.1    99     14.7    13.4   110 
 BEAR TRAP MEADOW         7900     4.4     5.6    79      4.0     6.0    67 
 BLACKWATER               9780    14.0    16.9    83     13.3    14.3    93 
 BONE SPRINGS DIV         9350    12.0    12.6    95     12.0    11.0   109 
 EVENING STAR             9200    20.8    21.3    98     21.0    17.9   117 
 GRAVE SPRINGS            8550     5.0     7.1    70      5.0     7.1    70 
 KIRWIN                   9550     5.7     7.6    75      7.0     8.1    86 
 MARQUETTE                8760     3.8     6.2    61      4.1     6.7    61 
 MIDDLE POWDER            7760     7.3     9.1    80      5.8     8.8    66 
 OWL CREEK                8975     2.4     3.4    71      2.9     4.6    63 
 POWDER RIVER PASS        9480     7.3     8.3    88      8.7     8.9    98 
 SHELL CREEK              9580    11.9    12.0    99     10.6    10.1   105 
 SYLVAN LAKE              8420    14.8    17.5    85     16.4    15.4   106 
 SYLVAN ROAD              8120    11.3    10.5   108     13.3    12.9   103 
 TIMBER CREEK             7950     1.0     4.6    22      2.4     4.8    50 
 YOUNTS PEAK              8350    12.4    14.1    88     10.4    13.2    79 
                                                -----                  -----
                Basin wide percent of average     87                     93 


SHOSHONE RIVER

 BLACKWATER               9780    14.0    16.9    83     13.3    14.3    93 
 EVENING STAR             9200    20.8    21.3    98     21.0    17.9   117 
 KIRWIN                   9550     5.7     7.6    75      7.0     8.1    86 
 MARQUETTE                8760     3.8     6.2    61      4.1     6.7    61 
 SYLVAN LAKE              8420    14.8    17.5    85     16.4    15.4   106 
 SYLVAN ROAD              8120    11.3    10.5   108     13.3    12.9   103 
 YOUNTS PEAK              8350    12.4    14.1    88     10.4    13.2    79 
                                                -----                  -----
                Basin wide percent of average     88                     97 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.4     5.6    79      4.0     6.0    67 
 BIG GOOSE                7990     5.8      -M      *     6.8      -M      *
 BONE SPRINGS DIV         9350    12.0    12.6    95     12.0    11.0   109 
 BURGESS JUNCTION         7880     8.2     9.1    90      8.6     8.2   105 
 CLOUD PEAK RESERVOIR     9860    11.5    10.2   113      9.9     9.7   102 
 DOME LAKE                8880     8.2    10.6    77      9.3     9.9    94 
 GRAVE SPRINGS            8550     5.0     7.1    70      5.0     7.1    70 
 HANSEN SAWMILL           8760     4.9     5.4    91      5.5     5.7    96 
 MIDDLE POWDER            7760     7.3     9.1    80      5.8     8.8    66 
 POWDER RIVER PASS        9480     7.3     8.3    88      8.7     8.9    98 
 SUCKER CREEK             8880     9.0     9.1    99     11.2    10.0   112 
 TIE CREEK                6870     5.2      -M      *     7.2     7.8    92 
                                                -----                  -----
                Basin wide percent of average     89                     94 


BELLE FOURCHE

 BLIND PARK               6890     4.8     8.6    56      5.0     7.2    69 
 NORTH RAPID CREEK        6130     4.3      -M      *     4.2      -M      *
 WARREN PEAK              6520     6.3     8.6    73      5.6     5.9    95 
                                                -----                  -----
                Basin wide percent of average     65                     81 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    23.9    19.5   123     19.2    19.3    99 
 DIVIDE PEAK              8800    12.9    15.8    82     13.2    18.0    73 
 ELK RIVER                8700    15.1    15.6    97     13.7    14.6    94 
 JOE WRIGHT              10120    15.5    16.5    94     18.0    19.1    94 
 NORTH FRENCH CREEK      10100    19.9    19.1   104     17.9    17.8   101 
 OLD BATTLE              10000    20.5    24.6    83     22.9    23.0   100 
 SOUTH BRUSH CREEK        8400     8.2     8.7    94      8.7    12.3    71 
 TOWER                   10500    36.4    35.3   103     25.0    28.3    88 
 WEBBER SPRINGS           9200    16.3    21.0    78     16.7    19.5    86 
 WILLOW CREEK PASS        9540    10.4     8.7   120     10.5     9.3   113 
                                                -----                  -----
                Basin wide percent of average     97                     92 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    14.9    18.8    79     14.5    14.5   100 
 CASPER MTN.              7900    11.2    11.4    98      8.4    10.2    82 
 DEADMAN HILL            10220     9.1    12.9    71     10.5    12.2    86 
 DEER PARK                9700    10.3      -M      *    12.2      -M      *
 LAPRELE CREEK            8320     7.4     7.9    94      8.0     8.7    92 
 RENO HILL                8400     9.4    10.1    93      8.8    13.7    64 
 ROACH                    9700    11.9    13.1    91     13.3    16.4    81 
 SAND LAKE               10080    17.5    25.3    69     15.2    15.5    98 
 SOUTH PASS               9040    10.5    13.3    79     10.2    12.9    79 
 WINDY PEAK               7840     5.2     5.7    91      6.9     6.8   101 
                                                -----                  -----
                Basin wide percent of average     82                     86 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.9     9.1    98      9.6    12.1    79 
 DIVIDE PEAK              8800    12.9    15.8    82     13.2    18.0    73 
 OLD BATTLE              10000    20.5    24.6    83     22.9    23.0   100 
 SANDSTONE RS             8150    12.5    11.4   110     12.7    14.8    86 
 WHISKEY PARK             8950    19.8    22.1    90     21.2    21.8    97 
                                                -----                  -----
                Basin wide percent of average     90                     89 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     8.8    11.3    78      7.7    13.8    56 
 BLIND BULL SUM           8650    21.3    22.9    93     15.1    19.8    76 
 EAST RIM DIVIDE          7930     8.8    11.2    79      8.3    12.9    64 
 ELKHART PARK G.S.        9400     9.3    10.8    86      8.8    13.6    65 
 GROS VENTRE SUMMIT       8775     8.2    12.2    67      7.0    13.5    52 
 KENDALL R.S.             7740    11.9    11.8   101     11.0    13.2    83 
 LOOMIS PARK              8240    13.5    14.0    96     13.4    15.9    84 
 NEW FORK LAKE            8340     8.3     9.3    89      7.4    12.2    61 
 SNIDER BASIN             8250    10.4    11.9    87      9.8    12.9    76 
 SPRING CREEK DIVIDE      9000    19.6    21.8    90     18.6    22.8    82 
 TRIPLE PEAK              8500    19.6    20.6    95     19.9    26.4    75 
                                                -----                  -----
                Basin wide percent of average     89                     72 


LOWER GREEN RIVER

 HAMS FORK                7840    10.3     9.9   104      7.2    11.3    64 
 HEWINTA                  9500     8.2     7.8   105      8.6     9.7    89 
 HICKERSON PARK           9150     4.0     4.6    87      5.0     6.9    72 
 HOLE-IN-ROCK             9150     4.6     4.2   110      5.2     6.9    75 
 INDIAN CREEK             9425    17.5    21.6    81     14.9    21.3    70 
 KELLEY R.S.              8180    10.8    13.3    81     11.1    15.9    70 
 STEEL CREEK PARK        10100     9.6    11.6    83      9.7     9.8    99 
                                                -----                  -----
                Basin wide percent of average     89                     75 


UPPER BEAR RIVER

 BUG LAKE                 7950    10.7    15.7    68      9.6    15.0    64 
 HAYDEN FORK              9400    11.2    12.7    88     12.8    14.3    90 
 KELLEY R.S.              8180    10.8    13.3    81     11.1    15.9    70 
 LILY LAKE                9050     7.8    10.0    78      9.8    11.1    88 
 MONTE CRISTO             8960    15.2    21.4    71     14.0    19.6    71 
 SALT RIVER SUMMIT        7600    10.9    11.2    97     11.3    14.3    79 
 TRIAL LAKE               9960    17.0    19.5    87     16.4    18.4    89 
                                                -----                  -----
                Basin wide percent of average     81                     78 

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


 -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.