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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 SUNDAY: FEBRUARY 22 , 1998 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.3    14.9    96     16.4    19.2    85 
 COTTONWOOD CREEK         7600    16.3    17.5    93     17.5    21.1    83 
 GRANITE CREEK            6770    14.0    14.7    95     15.9    20.1    79 
 GRASSY LAKE              7265    26.1    29.7    88     27.0    31.0    87 
 GROS VENTRE SUMMIT       8775     8.2    12.3    67      9.3    13.6    68 
 LEWIS LAKE DIVIDE        7860    23.5    27.9    84     25.3    31.5    80 
 PHILLIPS BENCH           8200    21.7    23.1    94     21.7    24.9    87 
 SALT RIVER SUMMIT        7600    11.8    11.4   104     13.8    14.4    96 
 SNAKE RIVER STATION      6920    13.7    15.4    89     16.7    21.8    77 
 SPRING CREEK DIVIDE      9000    16.8    22.0    76     16.9    22.9    74 
 THUMB DIVIDE             7980    12.6    13.6    93     13.8    17.9    77 
 TOGWOTEE PASS            9580    19.8    19.9    99     18.3    23.6    78 
 TWO OCEAN PLATEAU        9360    21.7    21.3   102     21.8    26.4    83 
 WILLOW CREEK             8450    21.0    24.8    85     23.9    27.2    88 
                                                -----                  -----
                Basin wide percent of average     90                     82 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    16.0    19.0    84     14.0    14.4    97 
 BLACK BEAR               7950    30.2    30.0   101       -M    31.9      *
 CANYON                   7940    10.5    10.1   104     11.8    11.6   102 
 FISHER CREEK             9100    24.4    28.8    85     22.1    29.2    76 
 MADISON PLATEAU          7750    16.2    19.6    83     17.5    20.7    85 
 NORTHEAST ENTRANCE       7350     6.1     7.7    79     10.2     9.7   105 
 PARKER PEAK              9400    14.5    17.1    85     12.7    12.5   102 
 SYLVAN LAKE              8420    13.2    17.7    75     15.9    15.5   103 
 THUMB DIVIDE             7980    12.6    13.6    93     13.8    17.9    77 
 TWO OCEAN PLATEAU        9360    21.7    21.3   102     21.8    26.4    83 
 WHISKEY CREEK            6800    11.3    13.7    82     13.9    17.1    81 
 WHITE MILL               8700    18.5    20.3    91     17.1    22.7    75 
 WOLVERINE                7650     8.3     9.6    86      8.7    10.5    83 
                                                -----                  -----
                Basin wide percent of average     89                     86 


WIND RIVER

 BURROUGHS CREEK          8750    11.8    12.5    94     12.9    13.3    97 
 COLD SPRINGS             9630     7.2     6.7   107      8.0     8.0   100 
 DEER PARK                9700      -M      -M      *    14.1      -M      *
 HOBBS PARK              10100    10.1    11.6    87      8.8    10.7    82 
 LITTLE WARM              9620     7.9     8.7    91      9.7    10.3    94 
 SOUTH PASS               9040    10.3    13.4    77     11.4    13.1    87 
 ST. LAWRENCE ALT         8620     7.0     5.9   119      6.9     7.6    91 
 TOGWOTEE PASS            9580    19.8    19.9    99     18.3    23.6    78 
 TOWNSEND CREEK           8700     7.6     7.6   100      9.1     9.3    98 
                                                -----                  -----
                Basin wide percent of average     95                     89 


BIGHORN BASIN

 BALD MTN.                9375    14.5    16.3    89     12.9    13.5    96 
 BEAR TRAP MEADOW         7900     4.1     5.7    72      4.5     6.1    74 
 BLACKWATER               9780    16.6    17.0    98     14.7    14.5   101 
 BONE SPRINGS DIV         9350    11.3    12.7    89     11.6    11.1   105 
 EVENING STAR             9200    18.6    21.5    87     20.0    18.1   110 
 GRAVE SPRINGS            8550     5.4      -M      *     5.7     7.2    79 
 KIRWIN                   9550     9.9     7.7   129     11.0     8.2   134 
 MARQUETTE                8760     9.9     6.2   160     10.2     6.8   150 
 MIDDLE POWDER            7760     6.3     9.2    68      6.8     8.8    77 
 OWL CREEK                8975     5.1     3.5   146      5.0     4.6   109 
 POWDER RIVER PASS        9480     7.2     8.4    86      8.1     9.0    90 
 SHELL CREEK              9580    10.2    12.1    84      8.0    10.2    78 
 SYLVAN LAKE              8420    13.2    17.7    75     15.9    15.5   103 
 SYLVAN ROAD              8120     8.2    10.6    77     11.9    13.0    92 
 TIMBER CREEK             7950     6.3     4.6   137      7.8     4.9   159 
 YOUNTS PEAK              8350    12.1    14.2    85     12.0    13.3    90 
                                                -----                  -----
                Basin wide percent of average     92                    101 


SHOSHONE RIVER

 BLACKWATER               9780    16.6    17.0    98     14.7    14.5   101 
 EVENING STAR             9200    18.6    21.5    87     20.0    18.1   110 
 KIRWIN                   9550     9.9     7.7   129     11.0     8.2   134 
 MARQUETTE                8760     9.9     6.2   160     10.2     6.8   150 
 SYLVAN LAKE              8420    13.2    17.7    75     15.9    15.5   103 
 SYLVAN ROAD              8120     8.2    10.6    77     11.9    13.0    92 
 YOUNTS PEAK              8350    12.1    14.2    85     12.0    13.3    90 
                                                -----                  -----
                Basin wide percent of average     93                    107 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.1     5.7    72      4.5     6.1    74 
 BONE SPRINGS DIV         9350    11.3    12.7    89     11.6    11.1   105 
 BURGESS JUNCTION         7880     7.1     9.2    77      8.4     8.2   102 
 CLOUD PEAK RESERVOIR     9860     9.7    10.4    93     10.5     9.8   107 
 DOME LAKE                8880     7.9    10.7    74     10.0    10.0   100 
 GRAVE SPRINGS            8550     5.4      -M      *     5.7     7.2    79 
 HANSEN SAWMILL           8760     5.8     5.5   105      6.3     5.8   109 
 MIDDLE POWDER            7760     6.3     9.2    68      6.8     8.8    77 
 POWDER RIVER PASS        9480     7.2     8.4    86      8.1     9.0    90 
 SUCKER CREEK             8880     8.5     9.2    92     10.1    10.0   101 
 TIE CREEK                6870     5.4      -M      *     9.0     7.8   115 
                                                -----                  -----
                Basin wide percent of average     84                     97 


BELLE FOURCHE

 BLIND PARK               6890     5.7     8.7    66      8.2     7.2   114 
 NORTH RAPID CREEK        6130     5.8      -M      *     6.6      -M      *
 WARREN PEAK              6520     6.7     8.7    77      7.0     6.0   117 
                                                -----                  -----
                Basin wide percent of average     71                    115 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    15.9    19.7    81     16.8    19.5    86 
 DIVIDE PEAK              8800    12.9    16.0    81     14.5    18.1    80 
 ELK RIVER                8700    11.8    15.8    75     12.7    14.8    86 
 JOE WRIGHT              10120    14.7    16.6    89     17.4    19.3    90 
 NORTH FRENCH CREEK      10100    19.4    19.3   101     18.8    17.9   105 
 OLD BATTLE              10000    21.2    24.8    85     25.1    23.2   108 
 SOUTH BRUSH CREEK        8400     6.7     8.8    76      7.4    12.4    60 
 TOWER                   10500    33.0    35.5    93     29.4    28.5   103 
 WEBBER SPRINGS           9200    14.2    21.2    67     18.4    19.7    93 
 WILLOW CREEK PASS        9540     4.9     8.8    56      5.6     9.4    60 
                                                -----                  -----
                Basin wide percent of average     83                     91 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    12.9    18.9    68     14.1    14.7    96 
 CASPER MTN.              7900     9.6    11.6    83      9.4    10.3    91 
 DEADMAN HILL            10220    10.6    13.0    82     10.0    12.3    81 
 DEER PARK                9700      -M      -M      *    14.1      -M      *
 LAPRELE CREEK            8320     6.5     8.0    81      7.7     8.7    89 
 RENO HILL                8400     9.0    10.2    88      8.2    13.8    59 
 ROACH                    9700    10.6    13.3    80     12.2    16.5    74 
 SAND LAKE               10080    17.7    25.5    69     16.0    15.6   103 
 SOUTH PASS               9040    10.3    13.4    77     11.4    13.1    87 
 WINDY PEAK               7840     5.2     5.8    90      6.4     6.8    94 
                                                -----                  -----
                Basin wide percent of average     77                     85 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.3     9.2    90     11.1    12.2    91 
 DIVIDE PEAK              8800    12.9    16.0    81     14.5    18.1    80 
 OLD BATTLE              10000    21.2    24.8    85     25.1    23.2   108 
 SANDSTONE RS             8150    10.3    11.5    90     13.7    14.9    92 
 WHISKEY PARK             8950    20.4    22.3    91     20.1    21.9    92 
                                                -----                  -----
                Basin wide percent of average     87                     94 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     7.9    11.4    69      7.2    13.9    52 
 BLIND BULL SUM           8650    18.8    23.1    81     14.6    20.0    73 
 EAST RIM DIVIDE          7930     8.1    11.3    72      8.3    13.0    64 
 ELKHART PARK G.S.        9400     8.9    10.9    82      9.2    13.7    67 
 GROS VENTRE SUMMIT       8775     8.2    12.3    67      9.3    13.6    68 
 KENDALL R.S.             7740    11.0    11.9    92     11.1    13.3    83 
 LOOMIS PARK              8240    10.3    14.2    73     11.8    16.1    73 
 NEW FORK LAKE            8340     7.5     9.4    80      8.2    12.3    67 
 SNIDER BASIN             8250     9.0    12.1    74      9.4    13.0    72 
 SPRING CREEK DIVIDE      9000    16.8    22.0    76     16.9    22.9    74 
 TRIPLE PEAK              8500    16.8    20.7    81     17.0    26.6    64 
                                                -----                  -----
                Basin wide percent of average     77                     69 


LOWER GREEN RIVER

 HAMS FORK                7840     8.9    10.0    89      7.9    11.4    69 
 HEWINTA                  9500     8.3     7.9   105     11.5     9.8   117 
 HICKERSON PARK           9150     7.8     4.7   166      9.0     6.9   130 
 HOLE-IN-ROCK             9150     5.6     4.2   133      8.1     6.9   117 
 INDIAN CREEK             9425    18.6    21.8    85     14.6    21.5    68 
 KELLEY R.S.              8180    12.2    13.4    91     12.7    16.0    79 
 STEEL CREEK PARK        10100    10.8    11.8    92     13.7     9.9   138 
                                                -----                  -----
                Basin wide percent of average     98                     94 


UPPER BEAR RIVER

 BUG LAKE                 7950    16.7    15.9   105     16.3    15.1   108 
 HAYDEN FORK              9400    10.1    12.9    78     15.1    14.4   105 
 KELLEY R.S.              8180    12.2    13.4    91     12.7    16.0    79 
 LILY LAKE                9050    10.1    10.1   100     12.2    11.2   109 
 MONTE CRISTO             8960    22.5    21.7   104     19.9    19.7   101 
 SALT RIVER SUMMIT        7600    11.8    11.4   104     13.8    14.4    96 
 TRIAL LAKE               9960    15.6    19.7    79     16.5    18.6    89 
                                                -----                  -----
                Basin wide percent of average     94                     97 

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


-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.