Climatological Report (Daily)
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059
CDUS46 KSGX 200932
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
232 AM PDT SUN SEP 20 2026

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 19 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         86   4:25 PM 100    2015  91     -5       89
  MINIMUM         61   5:07 AM  56    2005  64     -3       71
  AVERAGE         74                        77     -3       80

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2016   0.00   0.00     0.00
  MONTH TO DATE    0.56                      0.05   0.51     0.09
  SINCE JUL 1      0.56                      0.13   0.43     0.09
  SINCE OCT 1     12.64                     11.59   1.05     6.31
  SINCE JAN 1      5.62                      8.49  -2.87     6.16

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        9                        12     -3       15
  MONTH TO DATE  273                       262     11      282
  SINCE SEP 1    273                       262     11      282
  SINCE JAN 1   2085                      1635    450     1671
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     32           2:00 PM
 AVERAGE    60

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       104      2015
 MINIMUM TEMPERATURE (F)   63        53      1999


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   6:37 AM PDT   SUNSET   6:50 PM PDT
SEPTEMBER 21 2026.....SUNRISE   6:38 AM PDT   SUNSET   6:48 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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