Climatological Report (Daily)
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CDUS45 KRIW 210039
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
537 PM MST SAT DEC 20 2014


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 20 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         27        MM  43    2003  28     -1       MM
  MINIMUM          9        MM -16    2008   5      4       MM
  AVERAGE         18

PRECIPITATION (IN)
  TODAY            0.00          0.08 1999   0.01  -0.01     0.00
  MONTH TO DATE    0.01                      0.21  -0.20     0.01
  SINCE DEC 1      0.01                      0.21  -0.20     0.01
  SINCE JAN 1      5.33                      7.44  -2.11     4.86

DEGREE DAYS
 HEATING
  TODAY           47                        48     -1       MM
  MONTH TO DATE  866                       928    -62      979
  SINCE DEC 1    866                       928    -62      979
  SINCE JUL 1   2699                      2785    -86     2787

 COOLING
  TODAY            0                         0      0       MM
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    698                       669     29     1005
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     2.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     74           100 PM
 AVERAGE    85

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


THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   28        39      2009
                                             2003
                                             2001
 MINIMUM TEMPERATURE (F)    5       -21      1998


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   745 AM MST   SUNSET   435 PM MST
DECEMBER 21 2014......SUNRISE   746 AM MST   SUNSET   435 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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