Climatological Report (Daily)
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521
CDUS46 KSGX 150920
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE SEP 15 2026

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 14 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         89   3:03 PM 108    2014  92     -3       88
  MINIMUM         66   4:25 AM  53    2016  64      2       63
  AVERAGE         78                        78      0       76

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2006   0.01  -0.01     0.00
  MONTH TO DATE    0.56                      0.04   0.52     0.00
  SINCE JUL 1      0.56                      0.12   0.44      T
  SINCE OCT 1     12.64                     11.58   1.06     6.22
  SINCE JAN 1      5.62                      8.48  -2.86     6.07

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       13                        13      0       11
  MONTH TO DATE  227                       199     28      200
  SINCE SEP 1    227                       199     28      200
  SINCE JAN 1   2039                      1572    467     1589
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     6.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM
 LOWEST     34           1:00 PM
 AVERAGE    64

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92       107      2014
 MINIMUM TEMPERATURE (F)   64        56      2005


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   6:34 AM PDT   SUNSET   6:57 PM PDT
SEPTEMBER 16 2026.....SUNRISE   6:34 AM PDT   SUNSET   6:55 PM PDT


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




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