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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 WEDNESDAY: FEBRUARY 25 , 1998 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.6    15.2    96     16.7    19.6    85 
 COTTONWOOD CREEK         7600    17.4    17.9    97     18.6    21.6    86 
 GRANITE CREEK            6770    15.0    15.0   100     17.0    20.5    83 
 GRASSY LAKE              7265    26.5    29.7    89     27.4    31.6    87 
 GROS VENTRE SUMMIT       8775     9.0    12.6    71     10.0    13.8    72 
 LEWIS LAKE DIVIDE        7860    24.0    28.6    84     25.7    32.1    80 
 PHILLIPS BENCH           8200    22.4    23.6    95     22.6    25.4    89 
 SALT RIVER SUMMIT        7600    12.7    11.7   109     14.5    14.7    99 
 SNAKE RIVER STATION      6920    14.0    15.7    89     16.9    22.2    76 
 SPRING CREEK DIVIDE      9000    17.9    22.6    79     17.7    23.4    76 
 THUMB DIVIDE             7980    13.0    13.9    94     14.4    18.3    79 
 TOGWOTEE PASS            9580    20.5    20.3   101     19.0    24.0    79 
 TWO OCEAN PLATEAU        9360    22.1    21.7   102     22.1    27.0    82 
 WILLOW CREEK             8450    22.3    25.2    88     25.2    27.8    91 
                                                -----                  -----
                Basin wide percent of average     92                     83 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    16.1    19.4    83     14.0    14.7    95 
 BLACK BEAR               7950    31.4    30.7   102       -M    32.7      *
 CANYON                   7940    10.8    10.4   104     12.1    11.8   103 
 FISHER CREEK             9100    25.3    29.4    86     22.8    29.8    77 
 MADISON PLATEAU          7750    17.0    20.0    85     18.3    21.2    86 
 NORTHEAST ENTRANCE       7350     6.2     7.9    78     10.3     9.9   104 
 PARKER PEAK              9400    14.8    17.5    85     13.0    12.7   102 
 SYLVAN LAKE              8420    13.6    18.0    76     16.3    15.9   103 
 THUMB DIVIDE             7980    13.0    13.9    94     14.4    18.3    79 
 TWO OCEAN PLATEAU        9360    22.1    21.7   102     22.1    27.0    82 
 WHISKEY CREEK            6800    11.8    14.0    84     14.5    17.5    83 
 WHITE MILL               8700    19.0    20.7    92     17.5    23.2    75 
 WOLVERINE                7650     8.3     9.8    85      8.7    10.7    81 
                                                -----                  -----
                Basin wide percent of average     90                     87 


WIND RIVER

 BURROUGHS CREEK          8750    12.1    12.8    95     13.3    13.6    98 
 COLD SPRINGS             9630      -M     6.8      *     8.7     8.2   106 
 DEER PARK                9700      -M      -M      *    15.4      -M      *
 HOBBS PARK              10100    10.8    11.8    92      9.3    10.9    85 
 LITTLE WARM              9620     8.4     8.9    94     10.3    10.5    98 
 SOUTH PASS               9040    11.2    13.6    82     12.2    13.4    91 
 ST. LAWRENCE ALT         8620     7.4     6.0   123      7.0     7.8    90 
 TOGWOTEE PASS            9580    20.5    20.3   101     19.0    24.0    79 
 TOWNSEND CREEK           8700     8.2     7.7   106      9.5     9.5   100 
                                                -----                  -----
                Basin wide percent of average     97                     91 


BIGHORN BASIN

 BALD MTN.                9375      -M    16.6      *    14.0    13.8   101 
 BEAR TRAP MEADOW         7900      -M     5.8      *     4.7     6.2    76 
 BLACKWATER               9780    17.1    17.4    98     15.1    14.8   102 
 BONE SPRINGS DIV         9350      -M    13.0      *      -M    11.4      *
 EVENING STAR             9200    18.8    21.9    86     20.4    18.5   110 
 GRAVE SPRINGS            8550     5.9      -M      *     6.2     7.3    85 
 KIRWIN                   9550    10.2     7.9   129     11.3     8.3   136 
 MARQUETTE                8760    10.0     6.3   159     10.3     6.9   149 
 MIDDLE POWDER            7760     6.6     9.4    70      7.0     9.0    78 
 OWL CREEK                8975     5.1     3.6   142      4.9     4.7   104 
 POWDER RIVER PASS        9480      -M     8.5      *      -M     9.2      *
 SHELL CREEK              9580      -M    12.3      *     8.7    10.4    84 
 SYLVAN LAKE              8420    13.6    18.0    76     16.3    15.9   103 
 SYLVAN ROAD              8120     8.5    10.8    79     12.2    13.2    92 
 TIMBER CREEK             7950     6.5     4.7   138      7.8     5.0   156 
 YOUNTS PEAK              8350    12.5    14.4    87     12.4    13.5    92 
                                                -----                  -----
                Basin wide percent of average     95                    103 


SHOSHONE RIVER

 BLACKWATER               9780    17.1    17.4    98     15.1    14.8   102 
 EVENING STAR             9200    18.8    21.9    86     20.4    18.5   110 
 KIRWIN                   9550    10.2     7.9   129     11.3     8.3   136 
 MARQUETTE                8760    10.0     6.3   159     10.3     6.9   149 
 SYLVAN LAKE              8420    13.6    18.0    76     16.3    15.9   103 
 SYLVAN ROAD              8120     8.5    10.8    79     12.2    13.2    92 
 YOUNTS PEAK              8350    12.5    14.4    87     12.4    13.5    92 
                                                -----                  -----
                Basin wide percent of average     94                    108 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      -M     5.8      *     4.7     6.2    76 
 BONE SPRINGS DIV         9350      -M    13.0      *      -M    11.4      *
 BURGESS JUNCTION         7880     7.3     9.4    78      8.6     8.4   102 
 CLOUD PEAK RESERVOIR     9860    10.5    10.7    98     11.2    10.0   112 
 DOME LAKE                8880     7.9    11.0    72     10.6    10.2   104 
 GRAVE SPRINGS            8550     5.9      -M      *     6.2     7.3    85 
 HANSEN SAWMILL           8760      -M     5.6      *     6.8     5.9   115 
 MIDDLE POWDER            7760     6.6     9.4    70      7.0     9.0    78 
 POWDER RIVER PASS        9480      -M     8.5      *      -M     9.2      *
 SUCKER CREEK             8880     9.0     9.4    96     10.4    10.2   102 
 TIE CREEK                6870     5.5      -M      *     9.0     8.0   112 
                                                -----                  -----
                Basin wide percent of average     83*                    99 


BELLE FOURCHE

 BLIND PARK               6890     6.2     8.8    70      8.7     7.4   118 
 NORTH RAPID CREEK        6130     6.0      -M      *     6.9      -M      *
 WARREN PEAK              6520     7.1     8.8    81      7.3     6.1   120 
                                                -----                  -----
                Basin wide percent of average     76                    119 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    17.3    20.3    85     17.9    19.9    90 
 DIVIDE PEAK              8800    13.9    16.3    85     15.5    18.3    85 
 ELK RIVER                8700    13.1    16.2    81     13.9    15.1    92 
 JOE WRIGHT              10120    15.8    16.9    93     18.3    19.7    93 
 NORTH FRENCH CREEK      10100    21.4    19.8   108     20.3    18.4   110 
 OLD BATTLE              10000    23.6    25.4    93     26.9    23.8   113 
 SOUTH BRUSH CREEK        8400     7.9     9.1    87      8.4    12.6    67 
 TOWER                   10500    35.4    36.3    98     30.8    29.2   105 
 WEBBER SPRINGS           9200    15.9    21.6    74     20.1    20.1   100 
 WILLOW CREEK PASS        9540     5.5     8.9    62      6.2     9.6    65 
                                                -----                  -----
                Basin wide percent of average     89                     96 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    14.3    19.3    74     15.1    15.0   101 
 CASPER MTN.              7900     9.9    11.9    83      9.7    10.5    92 
 DEADMAN HILL            10220    11.1    13.2    84     10.5    12.6    83 
 DEER PARK                9700      -M      -M      *    15.4      -M      *
 LAPRELE CREEK            8320     6.9     8.1    85      8.1     8.9    91 
 RENO HILL                8400     9.2    10.4    88      8.4    14.1    60 
 ROACH                    9700    11.2    13.6    82     12.9    16.9    76 
 SAND LAKE               10080    18.8    26.0    72     17.0    16.0   106 
 SOUTH PASS               9040    11.2    13.6    82     12.2    13.4    91 
 WINDY PEAK               7840     5.5     5.9    93      6.6     6.9    96 
                                                -----                  -----
                Basin wide percent of average     80                     88 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.1     9.5   106     12.1    12.4    98 
 DIVIDE PEAK              8800    13.9    16.3    85     15.5    18.3    85 
 OLD BATTLE              10000    23.6    25.4    93     26.9    23.8   113 
 SANDSTONE RS             8150    12.0    11.8   102     15.1    15.1   100 
 WHISKEY PARK             8950    21.6    22.9    94     19.5    22.1    88 
                                                -----                  -----
                Basin wide percent of average     95                     97 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     9.0    11.7    77      8.3    14.1    59 
 BLIND BULL SUM           8650    19.4    23.6    82     15.1    20.4    74 
 EAST RIM DIVIDE          7930     8.6    11.6    74      8.7    13.2    66 
 ELKHART PARK G.S.        9400     9.6    11.1    86     10.0    13.9    72 
 GROS VENTRE SUMMIT       8775     9.0    12.6    71     10.0    13.8    72 
 KENDALL R.S.             7740    11.6    12.1    96     11.6    13.5    86 
 LOOMIS PARK              8240    10.9    14.5    75     12.4    16.4    76 
 NEW FORK LAKE            8340     8.2     9.6    85      8.4    12.6    67 
 SNIDER BASIN             8250     9.5    12.4    77      9.9    13.2    75 
 SPRING CREEK DIVIDE      9000    17.9    22.6    79     17.7    23.4    76 
 TRIPLE PEAK              8500    17.6    21.1    83     17.8    27.2    65 
                                                -----                  -----
                Basin wide percent of average     81                     71 


LOWER GREEN RIVER

 HAMS FORK                7840     9.4    10.2    92      8.4    11.6    72 
 HEWINTA                  9500     9.0     8.2   110     11.7     9.9   118 
 HICKERSON PARK           9150     8.6     4.8   179     10.1     7.0   144 
 HOLE-IN-ROCK             9150     6.4     4.3   149      8.9     7.0   127 
 INDIAN CREEK             9425    19.5    22.2    88     15.3    21.9    70 
 KELLEY R.S.              8180    12.9    13.7    94     13.3    16.4    81 
 STEEL CREEK PARK        10100    11.7    12.1    97     14.0    10.1   139 
                                                -----                  -----
                Basin wide percent of average    103                     97 


UPPER BEAR RIVER

 BUG LAKE                 7950    18.0    16.4   110     17.3    15.5   112 
 HAYDEN FORK              9400    11.1    13.2    84     16.1    14.7   110 
 KELLEY R.S.              8180    12.9    13.7    94     13.3    16.4    81 
 LILY LAKE                9050    11.1    10.3   108     13.2    11.4   116 
 MONTE CRISTO             8960    25.4    22.5   113     22.1    20.2   109 
 SALT RIVER SUMMIT        7600    12.7    11.7   109     14.5    14.7    99 
 TRIAL LAKE               9960    17.5    20.3    86     17.3    19.1    91 
                                                -----                  -----
                Basin wide percent of average    101                    102 

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


-M = Missing data
 * = Data may not provide a valid measure of conditions.
 
     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.