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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 FRIDAY: OCTOBER 31 , 1997 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .5      .7    71*     2.4     1.9   126 
 COTTONWOOD CREEK         7600     1.2      .7   171*     2.8     2.1   133 
 GRANITE CREEK            6770      .5      .6    83*     1.8     2.2    82 
 GRASSY LAKE              7265     1.5     1.0   150*     3.6     3.2   112 
 GROS VENTRE SUMMIT       8775      -M     1.0      *     1.3     1.5    87 
 LEWIS LAKE DIVIDE        7860     2.0     1.3   154*     3.5     3.3   106 
 PHILLIPS BENCH           8200     1.4     1.1   127*     2.3     2.5    92 
 SALT RIVER SUMMIT        7600      .3      .0      *     2.6     1.6   162 
 SNAKE RIVER STATION      6920      -M      .6      *      -M     2.2      *
 SPRING CREEK DIVIDE      9000      .9     1.3    69*     1.9     2.0    95 
 THUMB DIVIDE             7980      -M      .5      *      -M     1.8      *
 TOGWOTEE PASS            9580     3.1     2.2   141*     2.8     2.4   117 
 TWO OCEAN PLATEAU        9360     4.4     3.4   129      4.3     2.7   159 
 WILLOW CREEK             8450     1.3     1.1   118*     4.1     2.7   152 
                                                -----                  -----
                Basin wide percent of average    125*                   119 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275      -M     2.9      *     2.7     1.8   150 
 BLACK BEAR               7950     3.6     2.6   138*     4.3     3.4   126 
 CANYON                   7940     1.8      .8   225*     2.9     1.7   171 
 FISHER CREEK             9100     4.7     2.5   188*     4.4     2.9   152 
 MADISON PLATEAU          7750     1.9     1.4   136*     3.2     2.4   133 
 NORTHEAST ENTRANCE       7350      .2      .3    67*      -M     1.5      *
 PARKER PEAK              9400     3.0     3.6    83      2.9     2.1   138 
 SYLVAN LAKE              8420     2.5     2.4   104       -M     2.5      *
 THUMB DIVIDE             7980      -M      .5      *      -M     1.8      *
 TWO OCEAN PLATEAU        9360     4.4     3.4   129      4.3     2.7   159 
 WHISKEY CREEK            6800      .8      .8   100*     2.4     2.1   114 
 WHITE MILL               8700      -M     1.8      *      -M     2.6      *
 WOLVERINE                7650      .4      .3   133*     2.3     1.5   153 
                                                -----                  -----
                Basin wide percent of average    129*                   143 


WIND RIVER

 BURROUGHS CREEK          8750     1.9      .9   211*     2.3     1.5   153 
 COLD SPRINGS             9630     1.9      .9   211*     2.5     1.8   139 
 DEER PARK                9700      .0      -M      *      .0      -M      *
 HOBBS PARK              10100     2.6     2.0   130      2.8     1.9   147 
 LITTLE WARM              9620     1.4     1.0   140*     2.6     1.7   153 
 SOUTH PASS               9040     1.7     2.5    68      2.7     2.1   129 
 ST. LAWRENCE ALT         8620     1.9      .8   238      2.4     1.6   150 
 TOGWOTEE PASS            9580     3.1     2.2   141*     2.8     2.4   117 
 TOWNSEND CREEK           8700     1.9     1.0   190*     3.1     1.8   172 
                                                -----                  -----
                Basin wide percent of average    145*                   143 


BIGHORN BASIN

 BALD MTN.                9375     3.2     2.5   128      3.0     2.2   136 
 BEAR TRAP MEADOW         7900      .6      .7    86*     1.6     1.5   107 
 BLACKWATER               9780      -M     2.4      *     3.3     2.3   143 
 BONE SPRINGS DIV         9350      -M     2.6      *     3.6     2.1   171 
 EVENING STAR             9200      -M     3.7      *     4.8     2.8   171 
 GRAVE SPRINGS            8550      .7      -M      *     1.8     1.8   100 
 KIRWIN                   9550     2.3     1.5   153      2.5     1.5   167 
 LOST CREEK               8080      -M     1.3      *      -M     1.9      *
 MARQUETTE                8760     3.8     1.0   380      4.3     1.7   253 
 MIDDLE POWDER            7760      .8     1.3    62*     1.8     2.0    90 
 OWL CREEK                8975     1.5      .5   300      1.8     1.0   180 
 POWDER RIVER PASS        9480      .6     1.2    50*     1.5     1.8    83 
 SHELL CREEK              9580     2.6     2.4   108      1.9     1.8   106 
 SYLVAN LAKE              8420     2.5     2.4   104       -M     2.5      *
 SYLVAN ROAD              8120      .5     1.5    33      2.7     2.1   129 
 TIMBER CREEK             7950     2.2      .3   733*     3.1     1.3   238 
 YOUNTS PEAK              8350     3.0     2.2   136      2.5     1.8   139 
                                                -----                  -----
                Basin wide percent of average    135*                   145 


SHOSHONE RIVER

 BLACKWATER               9780      -M     2.4      *     3.3     2.3   143 
 EVENING STAR             9200      -M     3.7      *     4.8     2.8   171 
 KIRWIN                   9550     2.3     1.5   153      2.5     1.5   167 
 MARQUETTE                8760     3.8     1.0   380      4.3     1.7   253 
 SYLVAN LAKE              8420     2.5     2.4   104       -M     2.5      *
 SYLVAN ROAD              8120      .5     1.5    33      2.7     2.1   129 
 YOUNTS PEAK              8350     3.0     2.2   136      2.5     1.8   139 
                                                -----                  -----
                Basin wide percent of average    141                    165 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900      .6      .7    86*     1.6     1.5   107 
 BONE SPRINGS DIV         9350      -M     2.6      *     3.6     2.1   171 
 BURGESS JUNCTION         7880     1.1     1.5    73      2.5     1.9   132 
 CLOUD PEAK RESERVOIR     9860     1.2     1.3    92*     3.3     2.0   165 
 DOME LAKE                8880     2.1     1.8   117      3.0     2.2   136 
 GRAVE SPRINGS            8550      .7      -M      *     1.8     1.8   100 
 HANSEN SAWMILL           8760     1.1      .8   138      2.0     1.5   133 
 LOST CREEK               8080      -M     1.3      *      -M     1.9      *
 MIDDLE POWDER            7760      .8     1.3    62*     1.8     2.0    90 
 POWDER RIVER PASS        9480      .6     1.2    50*     1.5     1.8    83 
 SUCKER CREEK             8880     1.5     1.2   125*     3.3     2.1   157 
 TIE CREEK                6870     1.3      -M      *     3.0     1.8   167 
                                                -----                  -----
                Basin wide percent of average     92*                   132 


BELLE FOURCHE

 BLIND PARK               6890      .2     1.6    12      1.6     1.7    94 
 NORTH RAPID CREEK        6130      .5      -M      *     1.3      -M      *
 WARREN PEAK              6520      .1     1.6     6      2.0     1.4   143 
                                                -----                  -----
                Basin wide percent of average      9                    116 


UPPER N. PLATTE RIVER

 COLUMBINE                9400      .9     1.5    60*     3.7     2.4   154 
 DIVIDE PEAK              8800     1.6     2.0    80*     3.5     3.0   117 
 ELK RIVER                8700      .7      .4   175*     3.1     2.2   141 
 JOE WRIGHT              10120     2.2     3.0    73      4.3     3.4   126 
 NORTH FRENCH CREEK      10100     3.3     2.1   157*     3.9     2.2   177 
 OLD BATTLE              10000     3.3     3.5    94*     5.1     3.1   165 
 SOUTH BRUSH CREEK        8400      .4      .4   100*     1.9     2.2    86 
 TOWER                   10500     4.8     5.8    83       -M     3.9      *
 WEBBER SPRINGS           9200     1.7     1.8    94*     4.1     2.9   141 
 WILLOW CREEK PASS        9540     1.7     1.0   170*     2.4     1.7   141 
                                                -----                  -----
                Basin wide percent of average     96*                   139 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     1.7     1.8    94*     3.1     2.3   135 
 CASPER MTN.              7900     2.5     1.2   208*     2.7     2.4   113 
 DEADMAN HILL            10220     3.6     1.3   277*     3.0     2.3   130 
 DEER PARK                9700      .0      -M      *      .0      -M      *
 LAPRELE CREEK            8320     1.1      .9   122*     2.1     1.5   140 
 RENO HILL                8400     1.7     1.6   106      2.1     2.4    88 
 ROACH                    9700     1.6     1.3   123*     2.9     2.6   112 
 SAND LAKE               10080     4.2     3.0   140*     4.8     2.5   192 
 SOUTH PASS               9040     1.7     2.5    68      2.7     2.1   129 
 WINDY PEAK               7840      .9      .2   450*     2.0     1.2   167 
                                                -----                  -----
                Basin wide percent of average    138*                   132 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .4     0*     3.2     1.7   188 
 DIVIDE PEAK              8800     1.6     2.0    80*     3.5     3.0   117 
 OLD BATTLE              10000     3.3     3.5    94*     5.1     3.1   165 
 SANDSTONE RS             8150      .1      .8    12*     3.1     1.6   194 
 WHISKEY PARK             8950     1.4     2.2    64*     4.1     1.8   228 
                                                -----                  -----
                Basin wide percent of average     72*                   170 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100     1.4      .7   200*     2.0     1.5   133 
 BLIND BULL SUM           8650     1.4     2.2    64*     1.8     1.9    95 
 EAST RIM DIVIDE          7930      .6      .4   150*      .7     1.5    47 
 ELKHART PARK G.S.        9400     1.1      .9   122*     1.8     1.5   120 
 GROS VENTRE SUMMIT       8775      -M     1.0      *     1.3     1.5    87 
 KENDALL R.S.             7740      .8      .0      *     1.7     1.5   113 
 LOOMIS PARK              8240      .6      .5   120*     1.2     1.7    71 
 NEW FORK LAKE            8340     1.0      .0      *     1.3     1.4    93 
 SNIDER BASIN             8250      .5      .0      *      .9     1.5    60 
 SPRING CREEK DIVIDE      9000      .9     1.3    69*     1.9     2.0    95 
 TRIPLE PEAK              8500     1.7      .9   189*     2.1     2.7    78 
                                                -----                  -----
                Basin wide percent of average    112*                    89 


LOWER GREEN RIVER

 HAMS FORK                7840      .4      .0      *      .8     1.3    62 
 HEWINTA                  9500     1.4      .2   700*     3.3     2.3   143 
 HICKERSON PARK           9150     2.8      .2  1400*     3.9     2.0   195 
 HOLE-IN-ROCK             9150     1.4      .1  1400*     3.1     2.0   155 
 INDIAN CREEK             9425     1.7     1.6   106*     1.6     2.2    73 
 KELLEY R.S.              8180      .8      .5   160*     1.5     1.7    88 
 STEEL CREEK PARK        10100     1.6     1.9    84      4.4     2.3   191 
                                                -----                  -----
                Basin wide percent of average    216*                   135 


UPPER BEAR RIVER

 BUG LAKE                 7950      .7     1.1    64*     2.0     3.2    62 
 HAYDEN FORK              9400      .0      .9     0*     2.7     2.4   113 
 KELLEY R.S.              8180      .8      .5   160*     1.5     1.7    88 
 LILY LAKE                9050      .8     1.0    80*     2.7     2.6   104 
 MONTE CRISTO             8960     1.1     1.4    79*     2.4     3.4    71 
 SALT RIVER SUMMIT        7600      .3      .0      *     2.6     1.6   162 
 TRIAL LAKE               9960      .9     1.8    50*     2.1     2.8    75 
                                                -----                  -----
                Basin wide percent of average     64*                    90 

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


-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.