Climatological Report (Daily)
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000
CDUS46 KSGX 130139
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
538 PM PST TUE DEC 12 2017


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

...THE ONTARIO INTL AIRPORT CA 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         82    207 PM  84    2010  66     16       66
  MINIMUM         42    525 AM  36    2007  42      0       54
  AVERAGE         62                        54      8       60

PRECIPITATION (IN)
  TODAY            0.00          1.57 2014   0.04  -0.04     0.00
  MONTH TO DATE    0.00                      0.48  -0.48     0.01
  SINCE OCT 1      T                         2.33  -2.33     1.46
  SINCE JAN 1     10.85                     13.20  -2.35     7.05

DEGREE DAYS
 HEATING
  TODAY            3                        11     -8        5
  MONTH TO DATE   22                       126   -104      109
  SINCE DEC 1     22                       126   -104      109
  SINCE JUL 1     66                       348   -282      239

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   10                         0     10        0
  SINCE DEC 1     10                         0     10        0
  SINCE JAN 1   2294                      1705    589     2102
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    34           400 AM
 LOWEST      3           100 PM
 AVERAGE    19

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        80      2010
 MINIMUM TEMPERATURE (F)   42        36      2015


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   647 AM PST   SUNSET   442 PM PST
DECEMBER 13 2017......SUNRISE   647 AM PST   SUNSET   442 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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