Climatological Report (Daily)
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CDUS45 KRIW 080839
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
139 AM MST THU DEC 8 2016


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 7 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         15    133 PM  50    2008  30    -15       40
  MINIMUM         -1   1159 PM -21    2013   8     -9       11
  AVERAGE          7                        19    -12       26

PRECIPITATION (IN)
  YESTERDAY        0.00          0.14 2003   0.01  -0.01     0.00
  MONTH TO DATE    0.01                      0.10  -0.09      T
  SINCE DEC 1      0.01                      0.10  -0.09      T
  SINCE JAN 1      7.06                      7.33  -0.27     2.42

DEGREE DAYS
 HEATING
  YESTERDAY       58                        46     12       39
  MONTH TO DATE  289                       312    -23      345
  SINCE DEC 1    289                       312    -23      345
  SINCE JUL 1   1664                      2169   -505     1862

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    887                       669    218      821
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           300 AM
 LOWEST     53           100 PM
 AVERAGE    67

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        47      2004
 MINIMUM TEMPERATURE (F)    8       -21      2009


SUNRISE AND SUNSET
DECEMBER  8 2016......SUNRISE   736 AM MST   SUNSET   432 PM MST
DECEMBER  9 2016......SUNRISE   737 AM MST   SUNSET   432 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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