Climatological Report (Daily)
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798
CDUS46 KSGX 141236
CLIONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
436 AM PST THU DEC 14 2017


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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 13 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         83R   244 PM  80    2010  65     18       66
  MINIMUM         46    702 AM  36    2015  42      4       54
  AVERAGE         65                        54     11       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.58 2012   0.04  -0.04     0.00
  MONTH TO DATE    0.00                      0.52  -0.52     0.01
  SINCE OCT 1      T                         2.37  -2.37     1.46
  SINCE JAN 1     10.85                     13.24  -2.39     7.05

DEGREE DAYS
 HEATING
  YESTERDAY        0                        11    -11        5
  MONTH TO DATE   22                       137   -115      114
  SINCE DEC 1     22                       137   -115      114
  SINCE JUL 1     66                       359   -293      244

 COOLING
  YESTERDAY        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   1   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     3.7


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    27           300 AM
 LOWEST      3           300 PM
 AVERAGE    15

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        78      2006
 MINIMUM TEMPERATURE (F)   42        35      2007


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   648 AM PST   SUNSET   442 PM PST
DECEMBER 15 2017......SUNRISE   649 AM PST   SUNSET   443 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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