Climatological Report (Daily)
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CDUS45 KRIW 190738
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST FRI DEC 19 2014


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 18 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         26   1219 PM  34    2013  23      3       34
  MINIMUM         17    640 AM -21    2005   3     14        7
  AVERAGE         22                        13      9       21

PRECIPITATION (IN)
  YESTERDAY        0.00          0.25 1999   0.05  -0.05     0.00
  MONTH TO DATE    0.76                      0.82  -0.06     0.94
  SINCE DEC 1      0.76                      0.82  -0.06     0.94
  SINCE JAN 1     29.56                     19.62   9.94    19.83

DEGREE DAYS
 HEATING
  YESTERDAY       43                        52     -9       44
  MONTH TO DATE  736                       913   -177     1049
  SINCE DEC 1    736                       913   -177     1049
  SINCE JUL 1   4063                      4233   -170     4277

 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     9   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     2.9


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           700 AM
 LOWEST     74          1100 AM
 AVERAGE    83

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   23        30      2004
 MINIMUM TEMPERATURE (F)    3       -20      2012


SUNRISE AND SUNSET
DECEMBER 19 2014......SUNRISE   754 AM MST   SUNSET   444 PM MST
DECEMBER 20 2014......SUNRISE   755 AM MST   SUNSET   444 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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