Climatological Report (Daily)
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765
CDUS46 KSGX 211048
CLIONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
248 AM PST FRI NOV 21 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 20 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         59  11:39 AM  89    2002  73    -14       74
  MINIMUM         47   1:11 AM  39    2022  48     -1       45
  AVERAGE         53                        60     -7       60

PRECIPITATION (IN)
  YESTERDAY        0.63          0.82 2010   0.04   0.59     0.00
  MONTH TO DATE    3.44                      0.43   3.01     0.04
  SINCE JUL 1      4.64                      1.02   3.62     0.10
  SINCE OCT 1      4.52                      0.84   3.68     0.10
  SINCE JAN 1     10.71                      9.38   1.33    16.39

DEGREE DAYS
 HEATING
  YESTERDAY       12                         5      7        5
  MONTH TO DATE   60                        67     -7       90
  SINCE SEP 1     74                        94    -20      103
  SINCE JUL 1     74                        94    -20      103

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   63                        36     27        0
  SINCE SEP 1    615                       590     25      653
  SINCE JAN 1   2004                      1963     41     2027
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NE (40)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          10:00 PM
 LOWEST     62          12:00 PM
 AVERAGE    78

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        90      2017
 MINIMUM TEMPERATURE (F)   47        40      2022


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   6:29 AM PST   SUNSET   4:44 PM PST
NOVEMBER 22 2025......SUNRISE   6:30 AM PST   SUNSET   4:43 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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