Climatological Report (Daily)
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CDUS45 KRIW 110811
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
109 AM MST SUN DEC 11 2016


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 10 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         29    137 PM  36    2014  24      5       29
                                      2004
  MINIMUM         12   1156 PM -24    2009   4      8       21
  AVERAGE         21                        14      7       25

PRECIPITATION (IN)
  YESTERDAY        0.21          0.32 2015   0.04   0.17     0.32
  MONTH TO DATE    0.93                      0.48   0.45     0.88
  SINCE DEC 1      0.93                      0.48   0.45     0.88
  SINCE JAN 1     21.93                     19.28   2.65    17.83

DEGREE DAYS
 HEATING
  YESTERDAY       44                        51     -7       40
  MONTH TO DATE  547                       500     47      432
  SINCE DEC 1    547                       500     47      432
  SINCE JUL 1   3691                      3820   -129     3760

 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        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.9


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    92           200 AM
 LOWEST     80          1100 PM
 AVERAGE    86

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        41      2014
 MINIMUM TEMPERATURE (F)    4       -17      2007


SUNRISE AND SUNSET
DECEMBER 11 2016......SUNRISE   749 AM MST   SUNSET   442 PM MST
DECEMBER 12 2016......SUNRISE   749 AM MST   SUNSET   442 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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