Climatological Report (Daily)
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CDUS45 KRIW 150730
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST FRI DEC 15 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 14 2017...

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)
 YESTERDAY
  MAXIMUM         24    318 PM  38    1998  24      0       17
  MINIMUM          0    820 AM -13    2008   3     -3       -5
  AVERAGE         12                        13     -1        6

PRECIPITATION (IN)
  YESTERDAY        0.00          0.24 2015   0.05  -0.05     0.21
  MONTH TO DATE    0.52                      0.64  -0.12     1.22
  SINCE DEC 1      0.52                      0.64  -0.12     1.22
  SINCE JAN 1     32.02                     19.44  12.58    22.22

DEGREE DAYS
 HEATING
  YESTERDAY       53                        52      1       59
  MONTH TO DATE  689                       705    -16      774
  SINCE DEC 1    689                       705    -16      774
  SINCE JUL 1   4058                      4025     33     3918

 COOLING
  YESTERDAY        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     5   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED     7   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     0.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 AM
 LOWEST     77           400 PM
 AVERAGE    89

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        35      2006
 MINIMUM TEMPERATURE (F)    3       -12      2007


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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