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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: JANUARY 31 , 1998 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    13.4    12.4   108     15.7    16.1    98 
 COTTONWOOD CREEK         7600    14.8    13.9   106     16.0    17.1    94 
 GRANITE CREEK            6770    12.7    12.2   104     14.8    17.0    87 
 GRASSY LAKE              7265    23.9    22.7   105     24.7    26.1    95 
 GROS VENTRE SUMMIT       8775     7.4    10.5    70      8.7    11.5    76 
 LEWIS LAKE DIVIDE        7860    21.1    22.5    94     22.7    26.6    85 
 PHILLIPS BENCH           8200    19.0    19.2    99     19.2    21.1    91 
 SALT RIVER SUMMIT        7600    10.3     8.9   116     12.3    12.2   101 
 SNAKE RIVER STATION      6920    12.7    12.3   103     15.7    18.4    85 
 SPRING CREEK DIVIDE      9000    15.5    18.0    86     15.7    19.2    82 
 THUMB DIVIDE             7980    11.2    11.3    99     12.5    15.1    83 
 TOGWOTEE PASS            9580    13.8    16.7    83     15.4    19.9    77 
 TWO OCEAN PLATEAU        9360    20.3    18.1   112     20.4    22.3    91 
 WILLOW CREEK             8450    18.7    20.8    90     21.4    22.6    95 
                                                -----                  -----
                Basin wide percent of average     98                     89 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    15.4    15.9    97     13.4    12.0   112 
 BLACK BEAR               7950    26.5    24.2   110     25.0    26.2    95 
 CANYON                   7940     9.6     8.2   117     11.0     9.8   112 
 FISHER CREEK             9100    23.1    23.9    97     20.6    24.3    85 
 MADISON PLATEAU          7750    13.9    15.9    87     15.4    17.1    90 
 NORTHEAST ENTRANCE       7350     5.5     6.3    87      9.5     8.2   116 
 PARKER PEAK              9400    13.7    14.2    96     11.9    10.4   114 
 SYLVAN LAKE              8420    11.9    14.8    80     14.5    13.1   111 
 THUMB DIVIDE             7980    11.2    11.3    99     12.5    15.1    83 
 TWO OCEAN PLATEAU        9360    20.3    18.1   112     20.4    22.3    91 
 WHISKEY CREEK            6800     9.5    11.1    86     12.2    14.2    86 
 WHITE MILL               8700    17.5    16.6   105     16.2    19.1    85 
 WOLVERINE                7650     8.0     7.8   103      8.3     8.7    95 
                                                -----                  -----
                Basin wide percent of average     99                     95 


WIND RIVER

 BURROUGHS CREEK          8750    11.5    10.3   112     12.6    11.2   113 
 COLD SPRINGS             9630     6.7     5.8   116      7.5     6.9   109 
 DEER PARK                9700      -M      -M      *    12.7      -M      *
 HOBBS PARK              10100     9.5     9.9    96      8.3     9.1    91 
 LITTLE WARM              9620     7.3     7.1   103      9.2     8.8   105 
 SOUTH PASS               9040     9.6    11.2    86     10.7    10.7   100 
 ST. LAWRENCE ALT         8620     6.6     4.8   138      6.5     6.3   103 
 TOGWOTEE PASS            9580    13.8    16.7    83     15.4    19.9    77 
 TOWNSEND CREEK           8700     6.9     6.1   113      8.5     7.7   110 
                                                -----                  -----
                Basin wide percent of average    100                     98 


BIGHORN BASIN

 BALD MTN.                9375    13.4    13.7    98     11.8    11.6   102 
 BEAR TRAP MEADOW         7900     3.6     4.8    75      4.3     5.4    80 
 BLACKWATER               9780    15.9    13.9   114     13.9    12.1   115 
 BONE SPRINGS DIV         9350    10.6    10.5   101     10.8     9.3   116 
 EVENING STAR             9200    17.7    17.7   100     19.1    15.2   126 
 GRAVE SPRINGS            8550     4.7      -M      *     5.2     6.4    81 
 KIRWIN                   9550     9.2     6.6   139     10.3     6.7   154 
 MARQUETTE                8760     8.8     5.1   173      9.1     5.8   157 
 MIDDLE POWDER            7760     5.7     7.7    74      6.2     7.7    81 
 OWL CREEK                8975     4.2     2.8   150      4.3     3.8   113 
 POWDER RIVER PASS        9480     6.7     6.9    97      7.5     7.7    97 
 SHELL CREEK              9580     9.3    10.1    92      7.3     8.8    83 
 SYLVAN LAKE              8420    11.9    14.8    80     14.5    13.1   111 
 SYLVAN ROAD              8120     7.9     8.4    94     11.6    11.0   105 
 TIMBER CREEK             7950     5.6     3.6   156      6.8     4.2   162 
 YOUNTS PEAK              8350    11.7    12.1    97     11.7    11.2   104 
                                                -----                  -----
                Basin wide percent of average    103                    110 


SHOSHONE RIVER

 BLACKWATER               9780    15.9    13.9   114     13.9    12.1   115 
 EVENING STAR             9200    17.7    17.7   100     19.1    15.2   126 
 KIRWIN                   9550     9.2     6.6   139     10.3     6.7   154 
 MARQUETTE                8760     8.8     5.1   173      9.1     5.8   157 
 SYLVAN LAKE              8420    11.9    14.8    80     14.5    13.1   111 
 SYLVAN ROAD              8120     7.9     8.4    94     11.6    11.0   105 
 YOUNTS PEAK              8350    11.7    12.1    97     11.7    11.2   104 
                                                -----                  -----
                Basin wide percent of average    106                    120 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     3.6     4.8    75      4.3     5.4    80 
 BONE SPRINGS DIV         9350    10.6    10.5   101     10.8     9.3   116 
 BURGESS JUNCTION         7880     6.6     7.5    88      7.7     7.1   108 
 CLOUD PEAK RESERVOIR     9860     8.2     7.9   104      8.9     8.0   111 
 DOME LAKE                8880     6.8     8.9    76      9.0     8.6   105 
 GRAVE SPRINGS            8550     4.7      -M      *     5.2     6.4    81 
 HANSEN SAWMILL           8760     4.6     4.6   100      5.4     5.0   108 
 MIDDLE POWDER            7760     5.7     7.7    74      6.2     7.7    81 
 POWDER RIVER PASS        9480     6.7     6.9    97      7.5     7.7    97 
 SUCKER CREEK             8880     7.7     7.4   104      9.3     8.5   109 
 TIE CREEK                6870     5.0      -M      *     8.5     6.8   125 
                                                -----                  -----
                Basin wide percent of average     91                    103 


BELLE FOURCHE

 BLIND PARK               6890     5.4     7.1    76      7.8     6.1   128 
 NORTH RAPID CREEK        6130     5.4      -M      *     6.2      -M      *
 WARREN PEAK              6520     6.0     7.1    85      6.4     5.2   123 
                                                -----                  -----
                Basin wide percent of average     80                    126 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    14.1    15.6    90     15.2    16.2    94 
 DIVIDE PEAK              8800    11.2    13.2    85     13.1    16.0    82 
 ELK RIVER                8700     9.8    12.4    79     11.2    12.4    90 
 JOE WRIGHT              10120    12.5    13.9    90     15.2    16.3    93 
 NORTH FRENCH CREEK      10100    17.6    15.9   111     17.0    15.0   113 
 OLD BATTLE              10000    18.5    20.3    91     22.9    19.2   119 
 SOUTH BRUSH CREEK        8400     5.1     7.0    73      6.1    10.7    57 
 TOWER                   10500    27.5    29.7    93     24.5    23.9   103 
 WEBBER SPRINGS           9200    13.3    17.2    77     17.1    16.5   104 
 WILLOW CREEK PASS        9540     4.1     7.3    56      4.8     7.7    62 
                                                -----                  -----
                Basin wide percent of average     88                     96 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    11.9    15.9    75     13.3    12.0   111 
 CASPER MTN.              7900     8.7     9.3    94      8.6     8.6   100 
 DEADMAN HILL            10220     9.8    11.0    89      9.3    10.2    91 
 DEER PARK                9700      -M      -M      *    12.7      -M      *
 LAPRELE CREEK            8320     5.5     6.5    85      6.6     7.5    88 
 RENO HILL                8400     8.1     8.2    99      7.4    11.3    65 
 ROACH                    9700     9.6    10.9    88     11.5    14.1    82 
 SAND LAKE               10080    16.5    21.0    79     15.0    12.9   116 
 SOUTH PASS               9040     9.6    11.2    86     10.7    10.7   100 
 WINDY PEAK               7840     4.1     4.5    91      5.3     5.8    91 
                                                -----                  -----
                Basin wide percent of average     85                     94 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     6.0     7.2    83      9.8    10.8    91 
 DIVIDE PEAK              8800    11.2    13.2    85     13.1    16.0    82 
 OLD BATTLE              10000    18.5    20.3    91     22.9    19.2   119 
 SANDSTONE RS             8150     8.8     9.2    96     12.1    13.2    92 
 WHISKEY PARK             8950    17.6    18.2    97     18.4    19.7    93 
                                                -----                  -----
                Basin wide percent of average     91                     97 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     7.2     9.5    76      6.7    11.8    57 
 BLIND BULL SUM           8650    17.4    18.8    93     13.4    16.6    81 
 EAST RIM DIVIDE          7930     7.3     9.2    79      7.6    11.0    69 
 ELKHART PARK G.S.        9400     8.1     8.8    92      8.5    11.6    73 
 GROS VENTRE SUMMIT       8775     7.4    10.5    70      8.7    11.5    76 
 KENDALL R.S.             7740    10.2     9.8   104     10.5    11.2    94 
 LOOMIS PARK              8240     9.7    11.5    84     10.8    13.7    79 
 NEW FORK LAKE            8340     7.0     7.8    90      7.3    10.5    70 
 SNIDER BASIN             8250     8.4     9.8    86      8.7    11.0    79 
 SPRING CREEK DIVIDE      9000    15.5    18.0    86     15.7    19.2    82 
 TRIPLE PEAK              8500    15.8    17.2    92     16.1    22.5    72 
                                                -----                  -----
                Basin wide percent of average     87                     76 


LOWER GREEN RIVER

 HAMS FORK                7840     7.9     8.0    99      6.8     9.7    70 
 HEWINTA                  9500     7.9     6.1   130     10.4     8.3   125 
 HICKERSON PARK           9150     6.3     3.5   180      8.3     6.0   138 
 HOLE-IN-ROCK             9150     4.7     3.2   147      7.3     6.0   122 
 INDIAN CREEK             9425    16.0    17.7    90     12.7    18.1    70 
 KELLEY R.S.              8180    10.6    10.6   100     11.1    13.6    82 
 STEEL CREEK PARK        10100     9.6     9.7    99     12.4     8.5   146 
                                                -----                  -----
                Basin wide percent of average    107                     98 


UPPER BEAR RIVER

 BUG LAKE                 7950    14.5    12.8   113     14.3    12.7   113 
 HAYDEN FORK              9400     8.8    10.1    87     13.2    11.8   112 
 KELLEY R.S.              8180    10.6    10.6   100     11.1    13.6    82 
 LILY LAKE                9050     8.7     8.0   109     10.7     9.4   114 
 MONTE CRISTO             8960    19.8    17.1   116     17.8    16.4   109 
 SALT RIVER SUMMIT        7600    10.3     8.9   116     12.3    12.2   101 
 TRIAL LAKE               9960    12.7    15.7    81     13.7    15.1    91 
                                                -----                  -----
                Basin wide percent of average    103                    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.