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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: MARCH 31 , 2002 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    13.6    18.1    75     19.0    21.5    88 
 COTTONWOOD CREEK         7600    18.0    24.0    75     20.9    27.4    76 
 GRANITE CREEK            6770    12.7    18.6    68     16.8    20.0    84 
 GRASSY LAKE              7265    28.9    35.9    81     32.9    36.0    91 
 GROS VENTRE SUMMIT       8775    13.0    14.3    91     11.9    12.9    92 
 LEWIS LAKE DIVIDE        7860    30.0    35.6    84     30.4    36.8    83 
 PHILLIPS BENCH           8200      -M    29.0      *      -M    29.0      *
 SALT RIVER SUMMIT        7600    11.2    14.5    77     12.9    18.8    69 
 SNAKE RIVER STATION      6920      -M    19.1      *      -M    22.3      *
 SPRING CREEK DIVIDE      9000    20.3    26.8    76     20.3    26.5    77 
 THUMB DIVIDE             7980    15.7    19.1    82     17.3    18.9    92 
 TOGWOTEE PASS            9580    21.2    25.1    84     20.2    24.6    82 
 TWO OCEAN PLATEAU        9360    27.4    28.2    97     23.7    27.7    86 
 WILLOW CREEK             8450    23.9    30.4    79     29.7    32.2    92 
                                                -----                  -----
                Basin wide percent of average     81                     84 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    20.8    23.5    89     19.6    20.9    94 
 BLACK BEAR               8170      -M    39.6      *      -M    39.4      *
 CANYON                   8090    12.9    13.8    93     14.6    16.0    91 
 FISHER CREEK             9100    32.5    35.2    92     29.8    31.3    95 
 MADISON PLATEAU          7750    21.6    25.4    85     25.7    25.8   100 
 NORTHEAST ENTRANCE       7350     7.8    11.3    69      9.7    12.5    78 
 PARKER PEAK              9400    19.7    21.8    90     16.1    18.0    89 
 SYLVAN LAKE              8420    18.6    22.7    82     21.2    23.4    91 
 THUMB DIVIDE             7980    15.7    19.1    82     17.3    18.9    92 
 TWO OCEAN PLATEAU        9360    27.4    28.2    97     23.7    27.7    86 
 WHISKEY CREEK            6800    15.1    17.3    87     20.4    21.0    97 
 WHITE MILL               8700    21.0    24.5    86     18.4    25.0    74 
 WOLVERINE                7650     7.5    11.6    65     10.1    13.1    77 
                                                -----                  -----
                Basin wide percent of average     87                     89 


WIND RIVER

 BURROUGHS CREEK          8750    14.2    14.7    97     14.6    16.6    88 
 COLD SPRINGS             9630     5.5     8.9    62      6.7    10.6    63 
 DEER PARK                9700    12.0    17.0    71     15.5      -M      *
 HOBBS PARK              10100    11.3    15.0    75     10.1    12.8    79 
 LITTLE WARM              9370    10.2    11.9    86     11.9    12.6    94 
 SOUTH PASS               9040    11.5    16.6    69     11.7    17.5    67 
 ST. LAWRENCE ALT         8620     4.8     7.4    65      6.0     8.6    70 
 TOGWOTEE PASS            9580    21.2    25.1    84     20.2    24.6    82 
 TOWNSEND CREEK           8700     5.9     8.7    68      6.6    11.7    56 
                                                -----                  -----
                Basin wide percent of average     77                     76 


BIGHORN BASIN

 BALD MTN.                9380    15.8    19.8    80     14.1    17.3    82 
 BEAR TRAP MEADOW         8200     5.8     5.2   112      7.6     8.3    92 
 BLACKWATER               9780    20.8    24.7    84     18.4    21.1    87 
 BONE SPRINGS DIV         9350    12.8    16.3    79     12.7    15.3    83 
 EVENING STAR             9200    24.0    29.9    80     25.1    26.7    94 
 GRAVE SPRINGS            8550     7.0     9.3    75      8.7    12.9    67 
 KIRWIN                   9550     9.8    11.4    86     10.5    11.3    93 
 MARQUETTE                8760     7.0     8.9    79      6.8     9.4    72 
 MIDDLE POWDER            7760     6.7    11.7    57      7.8    12.0    65 
 OWL CREEK                8975     4.6     5.5    84      4.5     5.9    76 
 POWDER RIVER PASS        9480     8.7    10.8    81     10.4    12.3    85 
 SHELL CREEK              9580    12.7    14.8    86     11.6    13.3    87 
 SYLVAN LAKE              8420    18.6    22.7    82     21.2    23.4    91 
 SYLVAN ROAD              7120    10.8    12.9    84     15.6    19.5    80 
 TIMBER CREEK             7950     3.4     5.7    60      4.7     7.9    59 
 YOUNTS PEAK              8350    14.3    17.2    83     14.7    16.2    91 
                                                -----                  -----
                Basin wide percent of average     81                     84 


SHOSHONE RIVER

 BLACKWATER               9780    20.8    24.7    84     18.4    21.1    87 
 EVENING STAR             9200    24.0    29.9    80     25.1    26.7    94 
 KIRWIN                   9550     9.8    11.4    86     10.5    11.3    93 
 MARQUETTE                8760     7.0     8.9    79      6.8     9.4    72 
 SYLVAN LAKE              8420    18.6    22.7    82     21.2    23.4    91 
 SYLVAN ROAD              7120    10.8    12.9    84     15.6    19.5    80 
 YOUNTS PEAK              8350    14.3    17.2    83     14.7    16.2    91 
                                                -----                  -----
                Basin wide percent of average     82                     88 


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     5.8     5.2   112      7.6     8.3    92 
 BIG GOOSE                7990     8.4    10.6    79     10.4     9.9   105 
 BONE SPRINGS DIV         9350    12.8    16.3    79     12.7    15.3    83 
 BURGESS JUNCTION         7880     8.8    11.6    76      9.8    11.9    82 
 CLOUD PEAK RESERVOIR     9860    13.0    13.4    97     11.9    13.6    88 
 DOME LAKE                8880    10.4    12.5    83     12.0    13.1    92 
 GRAVE SPRINGS            8550     7.0     9.3    75      8.7    12.9    67 
 HANSEN SAWMILL           8360     5.3     6.5    82      7.4     8.4    88 
 MIDDLE POWDER            7760     6.7    11.7    57      7.8    12.0    65 
 POWDER RIVER PASS        9480     8.7    10.8    81     10.4    12.3    85 
 SUCKER CREEK             8880    10.6    11.7    91     13.0    13.6    96 
 TIE CREEK                6870     5.7     6.1    93     10.1     9.5   106 
                                                -----                  -----
                Basin wide percent of average     82                     87 


BELLE FOURCHE

 BLIND PARK               6890     6.3     8.7    72      9.1    10.5    87 
 COLE CANYON              5910     6.1     6.2    98      6.2      -M      *
 NORTH RAPID CREEK        6130     6.3     8.3    76      7.2     8.4    86 
                                                -----                  -----
                Basin wide percent of average     81                     86 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    18.3    24.9    73     18.1    25.1    72 
 DIVIDE PEAK              8800    14.2    19.9    71     16.6    20.6    81 
 ELK RIVER                8700    14.9    19.5    76     15.1    19.5    77 
 JOE WRIGHT              10120      -M    21.4      *      -M    24.5      *
 NORTH FRENCH CREEK      10100    15.9    29.3    54     19.8    24.5    81 
 OLD BATTLE              10000    20.3    32.2    63     24.2    34.4    70 
 SAGE CREEK BASIN         7850     9.9      -M      *    12.9      -M      *
 SOUTH BRUSH CREEK        8400    10.9    13.1    83     12.1    16.2    75 
 TOWER                   10500    28.4    45.5    62     27.1    38.2    71 
 WEBBER SPRINGS           9200    16.0    26.3    61     18.1    26.5    68 
 WILLOW CREEK PASS        9540     8.3    12.0    69      9.2    12.7    72 
                                                -----                  -----
                Basin wide percent of average     66                     74 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    13.8    23.7    58     13.8    21.9    63 
 CASPER MTN.              7900     9.5    14.5    66      9.9    14.2    70 
 DEADMAN HILL            10220     9.7    16.3    60     11.7    16.7    70 
 DEER PARK                9700    12.0    17.0    71     15.5      -M      *
 LAPRELE CREEK            8320     6.8    10.9    62      9.8    12.4    79 
 RENO HILL                8400     9.7    14.2    68     10.1    14.7    69 
 ROACH                    9700     9.5    17.1    56     11.8    18.5    64 
 SAND LAKE               10080      -M    32.5      *    19.7    23.8    83 
 SOUTH PASS               9040    11.5    16.6    69     11.7    17.5    67 
 WINDY PEAK               7840     5.7     8.0    71      8.5    10.4    82 
                                                -----                  -----
                Basin wide percent of average     64                     71 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.9    11.0    99      9.9    15.7    63 
 DIVIDE PEAK              8800    14.2    19.9    71     16.6    20.6    81 
 OLD BATTLE              10000    20.3    32.2    63     24.2    34.4    70 
 SANDSTONE RS             8150     8.4    14.8    57     13.8    18.6    74 
 WHISKEY PARK             8950    19.8    30.2    66     21.2    28.5    74 
                                                -----                  -----
                Basin wide percent of average     68                     73 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    11.9    14.6    82     10.9    13.3    82 
 BLIND BULL SUM           8650    21.0    28.1    75     16.7    22.3    75 
 EAST RIM DIVIDE          7930    10.5    13.2    80     10.0    12.0    83 
 ELKHART PARK G.S.        9400    10.2    13.5    76     10.6    13.3    80 
 GROS VENTRE SUMMIT       8775    13.0    14.3    91     11.9    12.9    92 
 KENDALL R.S.             7740    10.2    14.6    70     12.5    14.6    86 
 LOOMIS PARK              8240    16.0    17.4    92     14.5    17.4    83 
 NEW FORK LAKE            8340     9.0    11.3    80      9.1    11.3    81 
 SNIDER BASIN             8250     9.7    14.6    66     11.8    16.1    73 
 SPRING CREEK DIVIDE      9000    20.3    26.8    76     20.3    26.5    77 
 TRIPLE PEAK              8500    20.2    25.1    80     22.4    24.8    90 
                                                -----                  -----
                Basin wide percent of average     79                     82 


LOWER GREEN RIVER

 HAMS FORK                7840    10.2    12.0    85      8.5    12.2    70 
 HEWINTA                  9500     9.3    12.0    78     12.1    14.5    83 
 HICKERSON PARK           9150     5.2     7.6    68      8.1     7.8   104 
 HOLE-IN-ROCK             9150     4.9     7.2    68      7.1     7.3    97 
 INDIAN CREEK             9425    21.1    28.0    75     17.5    25.5    69 
 KELLEY R.S.              8180    12.7    17.0    75     14.9    20.3    73 
 STEEL CREEK PARK        10100    11.4    15.8    72     12.2    16.1    76 
                                                -----                  -----
                Basin wide percent of average     75                     78 


UPPER BEAR RIVER

 BUG LAKE                 7950    18.3    21.1    87     16.0    19.3    83 
 HAYDEN FORK              9400    13.1    16.5    79     17.3    20.9    83 
 KELLEY R.S.              8180    12.7    17.0    75     14.9    20.3    73 
 LILY LAKE                9050    10.2    13.4    76     14.0    17.4    80 
 MONTE CRISTO             8960    23.0    30.0    77     22.6    25.5    89 
 SALT RIVER SUMMIT        7600    11.2    14.5    77     12.9    18.8    69 
 TRIAL LAKE               9960    17.0    25.2    67     19.0    24.9    76 
                                                -----                  -----
                Basin wide percent of average     77                     79 

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


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Average Snow Water Equivalent and 
	Total Precipitation values
 
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 1971-2000.

Provisional data, subject to revision.