Climatological Report (Daily)
Issued by NWS

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003
CDUS46 KSGX 171031
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
231 AM PST MON NOV 17 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 16 2025...

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)
 YESTERDAY
  MAXIMUM         60   2:46 PM  93    2020  75    -15       65
  MINIMUM         54   9:46 AM  34    2000  49      5       42
  AVERAGE         57                        62     -5       54

PRECIPITATION (IN)
  YESTERDAY        0.56R         0.01 2012   0.03   0.53     0.00
  MONTH TO DATE    2.35                      0.31   2.04     0.04
  SINCE JUL 1      3.55                      0.90   2.65     0.10
  SINCE OCT 1      3.43                      0.72   2.71     0.10
  SINCE JAN 1      9.62                      9.26   0.36    16.39

DEGREE DAYS
 HEATING
  YESTERDAY        8                         4      4       11
  MONTH TO DATE   17                        47    -30       58
  SINCE SEP 1     31                        74    -43       71
  SINCE JUL 1     31                        74    -43       71

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   63                        32     31        0
  SINCE SEP 1    615                       586     29      653
  SINCE JAN 1   2004                      1959     45     2027
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 AM
 LOWEST     75           2:00 PM
 AVERAGE    86

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        92      2019
 MINIMUM TEMPERATURE (F)   49        39      2015


SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE   6:25 AM PST   SUNSET   4:45 PM PST
NOVEMBER 18 2025......SUNRISE   6:26 AM PST   SUNSET   4:45 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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