Climatological Report (Daily)
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000
CDUS45 KRIW 210737
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST SUN DEC 21 2014


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 20 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         27    346 PM  43    2003  28     -1       MM
  MINIMUM          9    740 AM -16    2008   5      4       MM
  AVERAGE         18                        17      1       MM

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY       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
  YESTERDAY        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    10   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


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

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


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


SUNRISE AND SUNSET
DECEMBER 21 2014......SUNRISE   746 AM MST   SUNSET   435 PM MST
DECEMBER 22 2014......SUNRISE   746 AM MST   SUNSET   436 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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