Climatological Report (Daily)
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000
CDUS45 KRIW 210738
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1237 AM MST SAT JAN 21 2017


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

...THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 20 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         36    405 PM  47    1999  29      7       37
  MINIMUM         11    915 PM  -6    2007   5      6        9
  AVERAGE         24                        17      7       23

PRECIPITATION (IN)
  YESTERDAY        0.00          0.05 2001   0.00   0.00      T
  MONTH TO DATE    0.08                      0.15  -0.07     0.09
  SINCE DEC 1      0.11                      0.43  -0.32     0.10
  SINCE JAN 1      0.08                      0.15  -0.07     0.09

DEGREE DAYS
 HEATING
  YESTERDAY       41                        48     -7       42
  MONTH TO DATE 1306                       971    335      967
  SINCE DEC 1   2955                      2437    518     2366
  SINCE JUL 1   4330                      4294     36     3883

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     70           100 PM
 AVERAGE    85

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        51      2005
 MINIMUM TEMPERATURE (F)    5       -25      2008


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   741 AM MST   SUNSET   507 PM MST
JANUARY 22 2017.......SUNRISE   740 AM MST   SUNSET   508 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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