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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 THURSDAY: JANUARY 21 , 1999 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    13.9    10.9   128     16.1    14.5   111 
 COTTONWOOD CREEK         7600    12.3    12.4    99     15.3    15.4    99 
 GRANITE CREEK            6770    11.0    10.7   103     13.1    15.3    86 
 GRASSY LAKE              7265    23.8    20.1   118     24.2    23.5   103 
 GROS VENTRE SUMMIT       8775     8.4     9.4    89      8.6    10.3    83 
 LEWIS LAKE DIVIDE        7860    22.8    19.8   115     24.1    23.9   101 
 PHILLIPS BENCH           8200    17.2    16.7   103     17.0    18.8    90 
 SALT RIVER SUMMIT        7600     7.8     7.7   101     10.1    11.0    92 
 SNAKE RIVER STATION      6920      -M    10.8      *      -M    16.5      *
 SPRING CREEK DIVIDE      9000    15.4    15.9    97     15.8    17.2    92 
 THUMB DIVIDE             7980    13.2    10.0   132     13.3    13.6    98 
 TOGWOTEE PASS            9580      -M    15.0      *    18.2    17.9   102 
 TWO OCEAN PLATEAU        9360    22.3    16.4   136     19.6    20.0    98 
 WILLOW CREEK             8450    16.8    18.3    92     21.8    20.2   108 
                                                -----                  -----
                Basin wide percent of average    110                     98 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    17.8    14.5   123     15.9    10.8   147 
 BLACK BEAR               7950    28.5    21.5   133     23.1    23.2   100 
 CANYON                   7940    11.2     7.3   153     12.2     8.8   139 
 FISHER CREEK             9100    26.0    21.4   121     23.1    21.5   107 
 MADISON PLATEAU          7750      -M    14.1      *    17.8    15.3   116 
 NORTHEAST ENTRANCE       7350     7.9     5.6   141      9.8     7.4   132 
 PARKER PEAK              9400    15.3    13.1   117       -M     9.5      *
 SYLVAN LAKE              8420    17.0    13.5   126     19.4    12.0   162 
 THUMB DIVIDE             7980    13.2    10.0   132     13.3    13.6    98 
 TWO OCEAN PLATEAU        9360    22.3    16.4   136     19.6    20.0    98 
 WHISKEY CREEK            6800    11.8     9.8   120     14.4    12.7   113 
 WHITE MILL               8700    17.0    15.1   113     15.5    17.0    91 
 WOLVERINE                7650    10.9     7.0   156      8.9     7.9   113 
                                                -----                  -----
                Basin wide percent of average    128                    113 


WIND RIVER

 BURROUGHS CREEK          8750    10.7     9.3   115     11.7    10.2   115 
 COLD SPRINGS             9630     6.1     5.3   115      7.6     6.4   119 
 DEER PARK                9700     9.0      -M      *    12.6      -M      *
 HOBBS PARK              10100     9.5     9.3   102      9.5     8.4   113 
 LITTLE WARM              9620     8.2     6.5   126      9.2     8.1   114 
 SOUTH PASS               9040    10.1    10.3    98     11.5     9.8   117 
 ST. LAWRENCE ALT         8620     4.2     4.3    98      6.9     5.8   119 
 TOGWOTEE PASS            9580      -M    15.0      *    18.2    17.9   102 
 TOWNSEND CREEK           8700     5.0     5.6    89      7.5     7.1   106 
                                                -----                  -----
                Basin wide percent of average    106                    111 


BIGHORN BASIN

 BALD MTN.                9375    13.4    12.6   106     12.5    10.6   118 
 BEAR TRAP MEADOW         7900     4.2     4.4    95      6.9     5.0   138 
 BLACKWATER               9780    19.3    12.6   153     16.9    11.0   154 
 BONE SPRINGS DIV         9350    10.3     9.7   106     10.4     8.5   122 
 EVENING STAR             9200    22.6    16.2   140     23.2    13.7   169 
 GRAVE SPRINGS            8550     4.7     5.6    84      7.7     5.9   131 
 KIRWIN                   9550     7.8     6.1   128      9.2     6.2   148 
 MARQUETTE                8760     5.3     4.7   113      6.2     5.4   115 
 MIDDLE POWDER            7760     4.8     7.2    67     10.9     7.2   151 
 OWL CREEK                8975     3.6     2.5   144      4.4     3.4   129 
 POWDER RIVER PASS        9480     8.0     6.4   125     10.1     7.0   144 
 SHELL CREEK              9580    11.5     9.4   122     10.7     8.0   134 
 SYLVAN LAKE              8420    17.0    13.5   126     19.4    12.0   162 
 SYLVAN ROAD              8120    11.5     7.5   153     13.4    10.0   134 
 TIMBER CREEK             7950     3.5     3.2   109      5.4     3.9   138 
 YOUNTS PEAK              8350    13.9    11.1   125     12.1    10.1   120 
                                                -----                  -----
                Basin wide percent of average    122                    140 


SHOSHONE RIVER

 BLACKWATER               9780    19.3    12.6   153     16.9    11.0   154 
 EVENING STAR             9200    22.6    16.2   140     23.2    13.7   169 
 KIRWIN                   9550     7.8     6.1   128      9.2     6.2   148 
 MARQUETTE                8760     5.3     4.7   113      6.2     5.4   115 
 SYLVAN LAKE              8420    17.0    13.5   126     19.4    12.0   162 
 SYLVAN ROAD              8120    11.5     7.5   153     13.4    10.0   134 
 YOUNTS PEAK              8350    13.9    11.1   125     12.1    10.1   120 
                                                -----                  -----
                Basin wide percent of average    136                    147 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     4.2     4.4    95      6.9     5.0   138 
 BIG GOOSE                7990     3.6      -M      *     6.4      -M      *
 BONE SPRINGS DIV         9350    10.3     9.7   106     10.4     8.5   122 
 BURGESS JUNCTION         7880     5.1     6.9    74      7.0     6.6   106 
 CLOUD PEAK RESERVOIR     9860     9.3     7.2   129      7.2     7.4    97 
 DOME LAKE                8880     5.4     8.1    67      7.3     8.1    90 
 GRAVE SPRINGS            8550     4.7     5.6    84      7.7     5.9   131 
 HANSEN SAWMILL           8760     3.4     4.1    83      5.6     4.6   122 
 MIDDLE POWDER            7760     4.8     7.2    67     10.9     7.2   151 
 POWDER RIVER PASS        9480     8.0     6.4   125     10.1     7.0   144 
 SUCKER CREEK             8880     6.6     6.7    99      8.6     7.9   109 
 TIE CREEK                6870     2.2      -M      *     5.7     6.3    90 
                                                -----                  -----
                Basin wide percent of average     93                    117 


BELLE FOURCHE

 BLIND PARK               6890     4.9     6.6    74     12.0     5.6   214 
 NORTH RAPID CREEK        6130     3.8      -M      *    10.5      -M      *
 WARREN PEAK              6520     5.9     6.6    89     10.8     4.7   230 
                                                -----                  -----
                Basin wide percent of average     82                    221 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    12.4    13.9    89     14.2    14.4    99 
 DIVIDE PEAK              8800    10.4    12.1    86     16.1    14.6   110 
 ELK RIVER                8700     8.8    11.0    80     14.4    11.2   129 
 JOE WRIGHT              10120    12.3    12.8    96     17.5    14.8   118 
 NORTH FRENCH CREEK      10100    17.5    14.4   122     18.7    13.6   138 
 OLD BATTLE              10000    15.4    18.5    83     21.6    17.6   123 
 SOUTH BRUSH CREEK        8400     5.8     6.3    92     13.4    10.4   129 
 TOWER                   10500    24.6    26.5    93     24.8    21.5   115 
 WEBBER SPRINGS           9200    10.9    15.7    69     15.7    15.4   102 
 WILLOW CREEK PASS        9540     5.8     6.8    85      7.5     7.2   104 
                                                -----                  -----
                Basin wide percent of average     90                    116 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    11.8    14.7    80     14.4    10.9   132 
 CASPER MTN.              7900     5.0     8.6    58     10.6     8.1   131 
 DEADMAN HILL            10220    11.0    10.1   109     11.9     9.3   128 
 DEER PARK                9700     9.0      -M      *    12.6      -M      *
 LAPRELE CREEK            8320     1.6     6.0    27      8.2     6.7   122 
 RENO HILL                8400     6.7     7.7    87     11.1    10.8   103 
 ROACH                    9700    10.0     9.9   101     12.9    12.8   101 
 SAND LAKE               10080    19.2    19.1   101     18.6    11.7   159 
 SOUTH PASS               9040    10.1    10.3    98     11.5     9.8   117 
 WINDY PEAK               7840     2.5     4.0    62      8.2     5.3   155 
                                                -----                  -----
                Basin wide percent of average     86                    126 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     6.0     6.5    92     10.6     9.7   109 
 DIVIDE PEAK              8800    10.4    12.1    86     16.1    14.6   110 
 OLD BATTLE              10000    15.4    18.5    83     21.6    17.6   123 
 SANDSTONE RS             8150     6.3     8.3    76     12.7    11.8   108 
 WHISKEY PARK             8950    14.4    16.5    87     18.8    17.1   110 
                                                -----                  -----
                Basin wide percent of average     85                    113 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     9.4     8.4   112      8.7    10.6    82 
 BLIND BULL SUM           8650    16.1    16.9    95     13.4    14.7    91 
 EAST RIM DIVIDE          7930     7.6     8.1    94      8.0     9.9    81 
 ELKHART PARK G.S.        9400     7.7     7.9    97      8.3    10.4    80 
 GROS VENTRE SUMMIT       8775     8.4     9.4    89      8.6    10.3    83 
 KENDALL R.S.             7740     8.3     8.7    95      9.0    10.1    89 
 LOOMIS PARK              8240    10.1    10.1   100     11.6    12.3    94 
 NEW FORK LAKE            8340     6.7     6.8    99      7.0     9.4    74 
 SNIDER BASIN             8250     8.2     8.6    95      8.8     9.9    89 
 SPRING CREEK DIVIDE      9000    15.4    15.9    97     15.8    17.2    92 
 TRIPLE PEAK              8500    14.9    15.2    98     16.6    20.2    82 
                                                -----                  -----
                Basin wide percent of average     97                     86 


LOWER GREEN RIVER

 HAMS FORK                7840     6.2     6.9    90      6.1     8.7    70 
 HEWINTA                  9500     4.7     5.5    85      7.4     7.7    96 
 HICKERSON PARK           9150     3.0     3.2    94      5.7     5.6   102 
 HOLE-IN-ROCK             9150     3.7     2.9   128      6.3     5.6   113 
 INDIAN CREEK             9425    14.3    15.9    90     12.3    16.3    75 
 KELLEY R.S.              8180     8.5     9.3    91     10.2    12.2    84 
 STEEL CREEK PARK        10100     7.0     9.0    78      8.9     8.0   111 
                                                -----                  -----
                Basin wide percent of average     90                     89 


UPPER BEAR RIVER

 BUG LAKE                 7950     8.2    11.6    71      9.6    11.6    83 
 HAYDEN FORK              9400     7.2     9.2    78     10.4    10.8    96 
 KELLEY R.S.              8180     8.5     9.3    91     10.2    12.2    84 
 LILY LAKE                9050     6.8     7.5    91      9.8     8.7   113 
 MONTE CRISTO             8960    12.0    15.4    78     14.2    15.0    95 
 SALT RIVER SUMMIT        7600     7.8     7.7   101     10.1    11.0    92 
 TRIAL LAKE               9960     8.8    14.4    61      9.8    13.7    72 
                                                -----                  -----
                Basin wide percent of average     79                     89 

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


-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.