Climatological Report (Daily)
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CDUS45 KRIW 130032
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
530 PM MST TUE DEC 12 2017


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 12 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         49        MM  51    2014  29     20       29
  MINIMUM         10        MM -15    2000   7      3        5
  AVERAGE         30

PRECIPITATION (IN)
  TODAY            0.00          0.00 2011   0.01  -0.01     0.00
                                      2010
                                      2009
  MONTH TO DATE    0.00                      0.14  -0.14     0.01
  SINCE DEC 1      0.00                      0.14  -0.14     0.01
  SINCE JAN 1      4.19                      7.37  -3.18     7.06

DEGREE DAYS
 HEATING
  TODAY           35                        47    -12       48
  MONTH TO DATE  446                       545    -99      540
  SINCE DEC 1    446                       545    -99      540
  SINCE JUL 1   2223                      2402   -179     1915

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    824                       669    155      887
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     4   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     0.2


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    84           500 AM
 LOWEST     31           300 PM
 AVERAGE    58

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


THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        50      2014
 MINIMUM TEMPERATURE (F)    6       -10      2000


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   740 AM MST   SUNSET   433 PM MST
DECEMBER 13 2017......SUNRISE   741 AM MST   SUNSET   433 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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