Climatological Report (Daily)
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CDUS45 KRIW 110729
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST MON DEC 11 2017


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 10 2017...

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)
 YESTERDAY
  MAXIMUM         43    255 PM  53    2003  30     13       34
  MINIMUM          7    755 AM -22    2009   7      0        8
  AVERAGE         25                        18      7       21

PRECIPITATION (IN)
  YESTERDAY        0.00          0.09 2012   0.01  -0.01      T
  MONTH TO DATE    0.00                      0.13  -0.13     0.01
  SINCE DEC 1      0.00                      0.13  -0.13     0.01
  SINCE JAN 1      4.19                      7.36  -3.17     7.06

DEGREE DAYS
 HEATING
  YESTERDAY       40                        47     -7       44
  MONTH TO DATE  371                       451    -80      449
  SINCE DEC 1    371                       451    -80      449
  SINCE JUL 1   2148                      2308   -160     1824

 COOLING
  YESTERDAY        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     7   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     1.7


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           100 AM
 LOWEST     33           300 PM
 AVERAGE    63

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        63      2004
 MINIMUM TEMPERATURE (F)    7       -17      2000


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   739 AM MST   SUNSET   432 PM MST
DECEMBER 12 2017......SUNRISE   740 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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