Climatological Report (Daily)
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603
CDUS46 KSGX 040021
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
521 PM PDT FRI OCT 03 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 3 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         77   1:49 PM 101    2020  86     -9       97
  MINIMUM         60   1:57 AM  50    2002  60      0       67
  AVERAGE         69                        73     -4       82

PRECIPITATION (IN)
  TODAY            0.00          T    2018   0.01  -0.01     0.00
  MONTH TO DATE    0.00                      0.02  -0.02     0.00
  SINCE JUL 1      0.12                      0.20  -0.08      T
  SINCE OCT 1      0.00                      0.02  -0.02     0.00
  SINCE JAN 1      6.19                      8.56  -2.37    16.29

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         1     -1        0
  SINCE JUL 1      0                         1     -1        0

 COOLING
  TODAY            4                         8     -4       17
  MONTH TO DATE   18                        26     -8       55
  SINCE SEP 1    418                       404     14      441
  SINCE JAN 1   1807                      1777     30     1815
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           3:00 AM
 LOWEST     45           1:00 PM
 AVERAGE    68

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       102      2014
 MINIMUM TEMPERATURE (F)   60        51      2009


SUNRISE AND SUNSET
OCTOBER  3 2025.......SUNRISE   6:47 AM PDT   SUNSET   6:31 PM PDT
OCTOBER  4 2025.......SUNRISE   6:47 AM PDT   SUNSET   6:30 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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