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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

At 1:38p, 5/22/18
Temperature 65.9°F
Wind 8.0 mph


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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 WEDNESDAY: APRIL 15 , 1998 
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.5    16.0    91     21.2    23.9    89 
 COTTONWOOD CREEK         7600    21.7    23.3    93     25.1    26.9    93 
 GRANITE CREEK            6770    15.8    17.8    89     21.5    25.3    85 
 GRASSY LAKE              7265    32.5    37.8    86     36.6    39.9    92 
 GROS VENTRE SUMMIT       8775    12.1    16.0    76     13.6    17.1    80 
 LEWIS LAKE DIVIDE        7860    32.6    36.8    89     34.2    40.5    84 
 PHILLIPS BENCH           8200    27.5    30.9    89     27.4    32.0    86 
 SALT RIVER SUMMIT        7600    15.9    13.8   115     19.6    18.2   108 
 SNAKE RIVER STATION      6920    17.2    18.6    92     23.3    28.0    83 
 SPRING CREEK DIVIDE      9000    23.3    29.4    79     23.6    29.4    80 
 THUMB DIVIDE             7980    17.1    17.4    98     18.8    22.4    84 
 TOGWOTEE PASS            9580    25.2    27.0    93     25.1    30.4    83 
 TWO OCEAN PLATEAU        9360    29.8    26.6   112     28.4    32.9    86 
 WILLOW CREEK             8450    29.4    31.7    93     34.0    34.4    99 
                                                -----                  -----
                Basin wide percent of average     92                     88 


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9275    20.3    25.5    80     17.6    19.6    90 
 BLACK BEAR               7950    41.5    40.2   103     38.6    43.7    88 
 CANYON                   7940    13.3    13.5    99     15.7    15.3   103 
 FISHER CREEK             9100    32.0    37.9    84     29.3    39.5    74 
 MADISON PLATEAU          7750    22.9    25.6    89     24.8    28.2    88 
 NORTHEAST ENTRANCE       7350     6.2     9.0    69     12.4    12.8    97 
 PARKER PEAK              9400    20.1    23.2    87     17.4    16.9   103 
 SYLVAN LAKE              8420    18.9    23.9    79     21.6    20.7   104 
 THUMB DIVIDE             7980    17.1    17.4    98     18.8    22.4    84 
 TWO OCEAN PLATEAU        9360    29.8    26.6   112     28.4    32.9    86 
 WHISKEY CREEK            6800    15.9    18.2    87     20.5    23.5    87 
 WHITE MILL               8700    24.5    25.8    95     22.5    30.5    74 
 WOLVERINE                7650     8.8    11.8    75     10.7    13.9    77 
                                                -----                  -----
                Basin wide percent of average     91                     87 


WIND RIVER

 BURROUGHS CREEK          8750    16.7    15.3   109     18.2    18.0   101 
 COLD SPRINGS             9630    11.9     8.7   137     13.4    11.8   114 
 DEER PARK                9700      -M      -M      *    22.9      -M      *
 HOBBS PARK              10100    17.7    16.5   107     15.7    15.6   101 
 LITTLE WARM              9620    12.1    13.5    90     14.8    14.7   101 
 SOUTH PASS               9040    17.2    17.6    98     19.4    18.7   104 
 ST. LAWRENCE ALT         8620    11.4     7.1   161     11.5    11.3   102 
 TOGWOTEE PASS            9580    25.2    27.0    93     25.1    30.4    83 
 TOWNSEND CREEK           8700    12.4    10.4   119     15.2    13.9   109 
                                                -----                  -----
                Basin wide percent of average    107                     99 


BIGHORN BASIN

 BALD MTN.                9375    21.4    22.3    96     18.8    19.0    99 
 BEAR TRAP MEADOW         7900     7.6     6.9   110     10.0     9.3   108 
 BLACKWATER               9780    21.7    24.7    88     19.4    19.3   101 
 BONE SPRINGS DIV         9350    18.7    18.1   103     17.7    16.5   107 
 EVENING STAR             9200    24.1    29.2    83     26.0    24.2   107 
 GRAVE SPRINGS            8550    12.2      -M      *    12.7    10.9   117 
 KIRWIN                   9550    13.9    11.1   125     15.0    12.0   125 
 MARQUETTE                8760    15.0     8.7   172     15.1    11.4   132 
 MIDDLE POWDER            7760    12.7    13.6    93     12.3    13.2    93 
 OWL CREEK                8975     8.7     4.7   185      8.3     7.1   117 
 POWDER RIVER PASS        9480    14.1    11.6   122     14.9    13.0   115 
 SHELL CREEK              9580    16.2    16.2   100     12.6    14.4    88 
 SYLVAN LAKE              8420    18.9    23.9    79     21.6    20.7   104 
 SYLVAN ROAD              8120    10.2    10.8    94     15.0    17.3    87 
 TIMBER CREEK             7950      -M     6.6      *    12.1     8.4   144 
 YOUNTS PEAK              8350    15.6    18.3    85     16.0    17.9    89 
                                                -----                  -----
                Basin wide percent of average     99                    105 


SHOSHONE RIVER

 BLACKWATER               9780    21.7    24.7    88     19.4    19.3   101 
 EVENING STAR             9200    24.1    29.2    83     26.0    24.2   107 
 KIRWIN                   9550    13.9    11.1   125     15.0    12.0   125 
 MARQUETTE                8760    15.0     8.7   172     15.1    11.4   132 
 SYLVAN LAKE              8420    18.9    23.9    79     21.6    20.7   104 
 SYLVAN ROAD              8120    10.2    10.8    94     15.0    17.3    87 
 YOUNTS PEAK              8350    15.6    18.3    85     16.0    17.9    89 
                                                -----                  -----
                Basin wide percent of average     94                    104 


POWDER-TONGUE

 BEAR TRAP MEADOW         7900     7.6     6.9   110     10.0     9.3   108 
 BONE SPRINGS DIV         9350    18.7    18.1   103     17.7    16.5   107 
 BURGESS JUNCTION         7880    12.3    12.9    95     13.5    12.9   105 
 CLOUD PEAK RESERVOIR     9860    17.4    16.8   104       -M    15.1      *
 DOME LAKE                8880    11.1    14.8    75     15.0    14.7   102 
 GRAVE SPRINGS            8550    12.2      -M      *    12.7    10.9   117 
 HANSEN SAWMILL           8760      -M     7.6      *      -M     9.0      *
 MIDDLE POWDER            7760    12.7    13.6    93     12.3    13.2    93 
 POWDER RIVER PASS        9480    14.1    11.6   122     14.9    13.0   115 
 SUCKER CREEK             8880    13.5    13.3   102     15.0    14.7   102 
 TIE CREEK                6870     8.4      -M      *    14.9    12.3   121 
                                                -----                  -----
                Basin wide percent of average     99                    107 


BELLE FOURCHE

 BLIND PARK               6890     8.0    11.6    69     13.6    11.8   115 
 NORTH RAPID CREEK        6130     9.0      -M      *    11.1      -M      *
 WARREN PEAK              6520    12.2    11.6   105     11.5     9.1   126 
                                                -----                  -----
                Basin wide percent of average     87                    120 


UPPER N. PLATTE RIVER

 COLUMBINE                9400    18.9    24.4    77     23.7    26.2    90 
 DIVIDE PEAK              8800    20.8    21.8    95     21.7    24.9    87 
 ELK RIVER                8700    17.6    20.4    86     20.7    20.6   100 
 JOE WRIGHT              10120    22.4    24.2    93     25.1    27.5    91 
 NORTH FRENCH CREEK      10100    34.0    28.2   121     31.1    25.6   121 
 OLD BATTLE              10000    34.4    35.8    96     37.0    32.8   113 
 SOUTH BRUSH CREEK        8400     7.3    13.0    56     13.8    18.3    75 
 TOWER                   10500    50.3    49.0   103     41.0    39.5   104 
 WEBBER SPRINGS           9200    20.9    28.6    73     26.8    27.7    97 
 WILLOW CREEK PASS        9540     8.1    13.5    60      8.0    13.9    58 
                                                -----                  -----
                Basin wide percent of average     91                     97 


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.7    29.0    82     22.8    21.5   106 
 CASPER MTN.              7900    13.3    19.0    70     14.1    16.2    87 
 DEADMAN HILL            10220    15.9    17.8    89     15.6    18.8    83 
 DEER PARK                9700      -M      -M      *    22.9      -M      *
 LAPRELE CREEK            8320     9.2    10.0    92     12.3    13.2    93 
 RENO HILL                8400    13.4    15.5    86     13.1    20.7    63 
 ROACH                    9700    16.0    18.1    88     18.2    23.3    78 
 SAND LAKE               10080    29.4    35.7    82     25.8    22.4   115 
 SOUTH PASS               9040    17.2    17.6    98     19.4    18.7   104 
 WINDY PEAK               7840     7.6     9.3    82     10.2    10.8    94 
                                                -----                  -----
                Basin wide percent of average     85                     91 


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.0    10.9   101     16.6    16.8    99 
 DIVIDE PEAK              8800    20.8    21.8    95     21.7    24.9    87 
 OLD BATTLE              10000    34.4    35.8    96     37.0    32.8   113 
 SANDSTONE RS             8150    14.9    15.3    97     20.8    20.7   100 
 WHISKEY PARK             8950    30.2    30.7    98     30.0    30.9    97 
                                                -----                  -----
                Basin wide percent of average     97                    100 


UPPER GREEN RIVER

 BIG SANDY OPENING        9100    13.6    15.4    88     12.8    17.5    73 
 BLIND BULL SUM           8650    25.8    31.0    83     20.6    25.7    80 
 EAST RIM DIVIDE          7930    13.2    15.0    88     13.0    16.3    80 
 ELKHART PARK G.S.        9400    13.6    15.0    91     14.3    17.2    83 
 GROS VENTRE SUMMIT       8775    12.1    16.0    76     13.6    17.1    80 
 KENDALL R.S.             7740    13.8    13.1   105     15.9    16.7    95 
 LOOMIS PARK              8240      -M    16.9      *    18.2    20.3    90 
 NEW FORK LAKE            8340    11.5    10.7   107     11.5    15.5    74 
 SNIDER BASIN             8250    13.5    15.5    87     13.7    16.3    84 
 SPRING CREEK DIVIDE      9000    23.3    29.4    79     23.6    29.4    80 
 TRIPLE PEAK              8500    22.2    26.9    83     23.6    33.2    71 
                                                -----                  -----
                Basin wide percent of average     86                     80 


LOWER GREEN RIVER

 HAMS FORK                7840    10.8     5.7   189     12.7    14.4    88 
 HEWINTA                  9500    14.0     9.0   156     16.2    14.6   111 
 HICKERSON PARK           9150    14.1     6.6   214     14.0    10.8   130 
 HOLE-IN-ROCK             9150    11.0     6.2   177     12.4    10.8   115 
 INDIAN CREEK             9425    26.5    30.4    87     21.3    27.8    77 
 KELLEY R.S.              8180    16.2    17.6    92     17.7    20.2    88 
 STEEL CREEK PARK        10100    18.4    17.9   103     20.2    14.3   141 
                                                -----                  -----
                Basin wide percent of average    119                    101 


UPPER BEAR RIVER

 BUG LAKE                 7950    21.9    20.0   110     22.7    21.0   108 
 HAYDEN FORK              9400    14.3    10.8   132     22.1    20.9   106 
 KELLEY R.S.              8180    16.2    17.6    92     17.7    20.2    88 
 LILY LAKE                9050    15.6    12.9   121     19.3    16.3   118 
 MONTE CRISTO             8960    32.5    29.3   111     29.0    27.8   104 
 SALT RIVER SUMMIT        7600    15.9    13.8   115     19.6    18.2   108 
 TRIAL LAKE               9960    24.2    26.0    93     25.4    26.0    98 
                                                -----                  -----
                Basin wide percent of average    108                    104 

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


-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.