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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 2:58a, 5/23/18
Temperature 44.0°F
Wind 2.0 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 TUESDAY: DECEMBER 23 , 2014
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 Base Camp                7030    7.3     6.2    118     8.4     8.9     94
 Black Bear               8170   13.0    15.0     87    14.2    15.7     90
 Blind Bull Sum           8650   12.7     8.0    159     9.1     8.2    111
 Cottonwood Creek         7670   10.7     7.3    147    13.1     9.9    132
 East Rim Divide          7930    6.2     3.7    168     5.8     4.8    121
 Grand Targhee            9260   17.5    15.1    116    15.1    13.2    114
 Granite Creek            6770    9.4     5.0    188    10.0     8.2    122
 Grassy Lake              7265   12.4    10.6    117    13.3    14.8     90
 Gros Ventre Summit       8750    7.5     5.1    147     5.8     5.4    107
 Gunsight Pass            9820    6.4     4.7    136     6.5     5.6    116
 Lewis Lake Divide        7850   11.8    10.9    108    14.2    14.7     97
 Phillips Bench           8200   11.1     9.1    122    12.5    11.1    113
 Salt River Summit        7760    5.2     4.0    130     6.9     6.6    105
 Snake River Station      6920    8.1     5.4    150    10.1     9.7    104
 Spring Creek Divide      9000   12.9     8.3    155    13.0     9.6    135
 Thumb Divide             7980    5.3     5.3    100     6.5     7.7     84
 Togwotee Pass            9580   11.1     9.8    113    12.1    10.2    119
 Two Ocean Plateau        9240   13.4    11.0    122    11.9    11.3    105
 Willow Creek             8380   11.1     9.4    118    14.1    13.8    102
 Younts Peak              8350     -M     6.0       *     -M     6.8       *
                                                -----                  -----
                Basin Index (%)                  125                    107


MADISON-GALLATIN

 Black Bear               8170   13.0    15.0     87    14.2    15.7     90
 Canyon                   7870    5.3     4.6    115     6.0     7.0     86
 Madison Plateau          7750    8.3     9.1     91     9.1    10.7     85
 West Yellowstone         6700    3.5     3.9     90     5.0     6.1     82
 Whiskey Creek            6800    5.1     5.7     89     6.7     8.6     78
                                                -----                  -----
                Basin Index (%)                   92                     85


YELLOWSTONE

 Beartooth Lake           9360   11.1     8.8    126    10.6     8.1    131
 Burnt Mtn                5880    2.5     1.8    139     5.1     6.4     80
 Canyon                   7870    5.3     4.6    115     6.0     7.0     86
 Cole Creek               7850    4.3     5.7     75     3.4     6.1     56
 Evening Star             9200   12.2     9.8    124    13.2    11.7    113
 Fisher Creek             9100   14.6    13.3    110    13.8    13.3    104
 Northeast Entrance       7350    5.1     3.0    170     7.6     5.5    138
 Parker Peak              9400   10.3     8.6    120    10.0     7.7    130
 Sylvan Lake              8420    6.9     8.1     85     9.1    10.0     91
 Thumb Divide             7980    5.3     5.3    100     6.5     7.7     84
 Two Ocean Plateau        9240   13.4    11.0    122    11.9    11.3    105
 White Mill               8700   12.0     8.8    136    11.5    10.1    114
 Wolverine                7650    6.4     4.0    160     6.8     5.6    121
                                                -----                  -----
                Basin Index (%)                  118                    105


WIND RIVER

 Burroughs Creek          8750    7.1     5.4    131     8.0     6.9    116
 Castle Creek             8400    4.6      -M       *    4.6      -M       *
 Cold Springs             9630    3.3     2.9    114     3.7     4.6     80
 Deer Park                9700    4.8     5.4     89     6.6     7.7     86
 Hobbs Park              10100    4.1     6.0     68     4.7     5.7     82
 Kirwin                   9550    5.7     4.1    139     6.8     5.1    133
 Little Warm              9370    4.8     4.0    120     5.5     5.6     98
 Owl Creek                8975    2.1     2.3     91     4.0     2.6    154
 South Pass               9040    4.7     5.7     82     4.9     7.5     65
 St. Lawrence Alt         8620    1.2     2.6     46     2.5     4.0     62
 Togwotee Pass            9580   11.1     9.8    113    12.1    10.2    119
 Townsend Creek           8700    2.0     3.5     57     4.0     5.4     74
                                                -----                  -----
                Basin Index (%)                   98                     96


BIGHORN BASIN

 Bald Mtn.                9380    6.5     7.3     89     5.4     7.2     75
 Bear Trap Meadow         8200    3.0     2.4    125     3.0     3.9     77
 Bone Springs Div         9350    5.3     6.7     79     4.8     6.5     74
 Grave Springs            8550    3.0     2.9    103     2.8     4.6     61
 Kirwin                   9550    5.7     4.1    139     6.8     5.1    133
 Marquette                8760    1.8      -M       *    3.2      -M       *
 Middle Powder            7760    4.8     4.4    109     2.7     5.7     47
 Owl Creek                8975    2.1     2.3     91     4.0     2.6    154
 Powder River Pass        9480    5.0     4.1    122     5.8     5.4    107
 Shell Creek              9580    5.0     6.6     76     5.0     6.0     83
 Timber Creek             7950    2.4     1.9    126     3.9     3.8    103
                                                -----                  -----
                Basin Index (%)                  100                     87


SHOSHONE RIVER

 Blackwater               9780   10.3     9.4    110     9.7     9.0    108
 Evening Star             9200   12.2     9.8    124    13.2    11.7    113
 Marquette                8760    1.8      -M       *    3.2      -M       *
 Sylvan Road              7120    5.8     4.6    126     8.1     8.2     99
 Younts Peak              8350     -M     6.0       *     -M     6.8       *
                                                -----                  -----
                Basin Index (%)                  119                    107


POWDER RIVER

 Bear Trap Meadow         8200    3.0     2.4    125     3.0     3.9     77
 Cloud Peak Reservoir     9860    5.6     5.4    104     5.9     5.8    102
 Grave Springs            8550    3.0     2.9    103     2.8     4.6     61
 Hansen Sawmill           8360    3.4     2.6    131     4.2     3.8    111
 Middle Powder            7760    4.8     4.4    109     2.7     5.7     47
 Powder River Pass        9480    5.0     4.1    122     5.8     5.4    107
 Soldier Park             8720    2.5      -M       *    3.8      -M       *
                                                -----                  -----
                Basin Index (%)                  114                     84


TONGUE RIVER

 Big Goose                7990    3.2     3.3     97     3.7     5.0     74
 Bone Springs Div         9350    5.3     6.7     79     4.8     6.5     74
 Burgess Junction         7880    4.1     4.2     98     3.9     5.5     71
 Dome Lake                8880    2.8     4.7     60     4.4     6.2     71
 Little Goose             8870    3.4      -M       *    4.7      -M       *
 Sucker Creek             8880    4.5     4.5    100     5.0     6.2     81
 Tie Creek                6870    1.9     1.4    136     4.0     5.1     78
                                                -----                  -----
                Basin Index (%)                   88                     75


BELLE FOURCHE

 Cole Canyon              5910    1.3     1.2    108     3.7     4.3     86
                                                -----                  -----
                Basin Index (%)                  108                     86


CHEYENNE RIVER BASIN

 Blind Park               6890    2.7     2.5    108     4.3     5.4     80
 North Rapid Creek        6130    3.1     2.6    119     4.6     4.6    100
                                                -----                  -----
                Basin Index (%)                  114                     89


UPPER N. PLATTE

 Arapaho Ridge           10960    7.8     8.4     93     9.3     9.8     95
 Blackhall Mtn            9820    9.5      -M       *   12.5      -M       *
 Columbine                9160    9.1     7.8    117    11.1    10.4    107
 Divide Peak              8880    4.0     7.2     56     6.2     9.3     67
 Joe Wright              10120    7.5     8.7     86    12.9    11.0    117
 Laprele Creek            8375    2.2     3.4     65     2.9     5.4     54
 Med Bow                 10500   13.1      -M       *   13.5      -M       *
 North French Creek      10130   10.5    10.4    101    11.0    10.8    102
 Never Summer            10280    7.5     7.7     97     8.3      -M       *
 Old Battle              10000   10.1    11.4     89    10.8    14.7     73
 Rawah                    9020    5.3     3.8    139     8.1     6.7    121
 Sage Creek Basin         7850    2.5     4.8     52     3.7     6.4     58
 Sand Lake               10050   10.1    10.2     99     9.2    10.1     91
 South Brush Creek        8440    3.6     4.2     86     4.6     6.5     71
 Tower                   10500   15.1    17.9     84    16.8    16.6    101
 Webber Springs           9250    7.0     8.5     82     8.5    11.2     76
 Willow Creek Pass        9540    4.1     5.0     82     6.0     5.9    102
 Zirkel                   9340     -M     8.3       *     -M    12.1       *
                                                -----                  -----
                Basin Index (%)                   89                     90


SWEETWATER

 Deer Park                9700    4.8     5.4     89     6.6     7.7     86
 Larsen Creek             9000    3.4     4.2     81     5.2      -M       *
 South Pass               9040    4.7     5.7     82     4.9     7.5     65
                                                -----                  -----
                Basin Index (%)                   84                     76


LOWER N. PLATTE

 Casper Mtn.              7900    3.0     5.2     58     3.7     6.8     54
 Laprele Creek            8375    2.2     3.4     65     2.9     5.4     54
 Reno Hill                8400    3.4     5.2     65     4.9     6.5     75
 Windy Peak               7900    2.2     2.8     79     2.3     4.7     49
                                                -----                  -----
                Basin Index (%)                   65                     59


LARAMIE RIVER

 Brooklyn Lake           10240    8.0     7.2    111     8.9     8.3    107
 Cinnabar Park            9574    7.3     7.7     95     9.6    10.1     95
 Crow Creek               8330    1.9     3.9     49     3.9     4.9     80
 Deadman Hill            10220    6.4     6.5     98     7.3     7.1    103
 Rawah                    9020    5.3     3.8    139     8.1     6.7    121
 Roach                    9700    4.1     6.0     68     6.5     8.1     80
                                                -----                  -----
                Basin Index (%)                   94                     98


S. PLATTE

 Black Mountain           8920    3.8      -M       *    5.6      -M       *
 Crow Creek               8330    1.9     3.9     49     3.9     4.9     80
 Deadman Hill            10220    6.4     6.5     98     7.3     7.1    103
                                                -----                  -----
                Basin Index (%)                   80                     93


LITTLE SNAKE RIVER

 Battle Mountain          7440    3.5     3.3    106     5.4     6.4     84
 Divide Peak              8880    4.0     7.2     56     6.2     9.3     67
 Elk River                8700    6.1     5.7    107     7.2     8.1     89
 Little Snake River       8915    9.8     7.2    136    13.9    13.1    106
 Old Battle              10000   10.1    11.4     89    10.8    14.7     73
 Sage Creek Basin         7850    2.5     4.8     52     3.7     6.4     58
 Sandstone RS             8150    4.1     4.0    102     4.6     7.8     59
 Whiskey Park             8950   10.5     8.4    125    11.2    10.8    104
                                                -----                  -----
                Basin Index (%)                   97                     82


UPPER GREEN RIVER

 Big Sandy Opening        9080    5.3     4.9    108     5.0     5.6     89
 Blind Bull Sum           8650   12.7     8.0    159     9.1     8.2    111
 East Rim Divide          7930    6.2     3.7    168     5.8     4.8    121
 Elkhart Park G.S.        9400    5.4     4.7    115     6.3     5.7    111
 Gros Ventre Summit       8750    7.5     5.1    147     5.8     5.4    107
 Gunsight Pass            9820    6.4     4.7    136     6.5     5.6    116
 Kendall R.S.             7740    6.5     4.1    159     6.6     5.7    116
 Loomis Park              8240    8.4     5.4    156     8.8     7.0    126
 New Fork Lake            8340    5.9     3.8    155     5.7     4.5    127
 Pocket Creek             9360    5.1      -M       *    3.8      -M       *
 Snider Basin             8060    7.1     4.5    158     8.3     5.8    143
 Spring Creek Divide      9000   12.9     8.3    155    13.0     9.6    135
 Triple Peak              8500   13.6     7.4    184    14.7     9.7    152
                                                -----                  -----
                Basin Index (%)                  152                    123


LOWER GREEN RIVER

 Blacks Fork Jct          8870    2.6      -M       *    4.5      -M       *
 Buck Pasture             9700    5.3      -M       *    6.7      -M       *
 EF Blacks Fork GS        9360    3.5      -M       *    4.8      -M       *
 Hams Fork                7840    5.4     3.8    142     5.0     4.6    109
 Hewinta                  9519    3.1     3.3     94     5.0     6.0     83
 Hickerson Park           9145    3.1     2.3    135     3.8     4.6     83
 Hole-in-Rock             9150    2.3     2.6     88     3.4     4.3     79
 Indian Creek             9425    9.3     9.1    102     9.9     8.7    114
 Kelley R.S.              8180    6.6     5.3    125     7.2     7.4     97
 Spirit Lk               10235    3.7      -M       *    5.4      -M       *
 Steel Creek Park        10200    4.5     5.7     79     5.9     6.8     87
                                                -----                  -----
                Basin Index (%)                  107                     95


UPPER BEAR RIVER

 Bear River RS            8777    2.7      -M       *    3.6      -M       *
 Bug Lake                 7950    6.4     5.6    114     6.1     8.0     76
 Burts Miller Ranch       8000    2.1      -M       *    1.7      -M       *
 Chalk Creek #1           8993    6.6     9.2     72     6.8    10.5     65
 Hayden Fork              9212    4.6     4.6    100     7.3     8.6     85
 Kelley R.S.              8180    6.6     5.3    125     7.2     7.4     97
 Lily Lake                9156    3.8     4.6     83     4.7     7.4     64
 Monte Cristo             8960    9.6     9.0    107     8.9    10.4     86
 Salt River Summit        7760    5.2     4.0    130     6.9     6.6    105
                                                -----                  -----
                Basin Index (%)                  101                     81

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


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and

Total Precipitation values

If the Basin Index (%) 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 Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median 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.

Medians and averages are calculated for the period 1981-2010.

Provisional data, subject to revision.

* Site -- Either: (a) the current value is missing; (b) the median or
average for the day is not available or is zero; or (c) for snow water
equivalent, the median for the day is less than 10% of the maximum
median value for  the year.


* Basin - More than half of the sites within the basin are flagged with *,
preventing the calculation of a meaningful basin index.

The basin index is calculated as the sum of the valid current values
divided by the sum of the corresponding medians (for snow water equivalent)
or averages (for precipitation) and the resulting fraction multiplied by 100.