Climatological Report (Daily)
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CDUS45 KRIW 160033
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
533 PM MST FRI DEC 15 2017


...................................

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 15 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         27        MM  35    2006  24      3       30
  MINIMUM          2    200 AM -12    2007   3     -1       16
  AVERAGE         15

PRECIPITATION (IN)
  TODAY            0.00          0.97 2006   0.04  -0.04     0.88
  MONTH TO DATE    0.52                      0.68  -0.16     2.10
  SINCE DEC 1      0.52                      0.68  -0.16     2.10
  SINCE JAN 1     32.02                     19.48  12.54    23.10

DEGREE DAYS
 HEATING
  TODAY           50                        52     -2       42
  MONTH TO DATE  739                       757    -18      816
  SINCE DEC 1    739                       757    -18      816
  SINCE JUL 1   4108                      4077     31     3960

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     4   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     0.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           800 AM
 LOWEST     81           300 PM
 AVERAGE    89

..........................................................


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   23        33      1998
 MINIMUM TEMPERATURE (F)    3       -18      2016


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   752 AM MST   SUNSET   442 PM MST
DECEMBER 16 2017......SUNRISE   752 AM MST   SUNSET   443 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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