644
CDUS46 KSGX 251027
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PST THU DEC 25 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 24 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 65 9:44 AM 86 2005 66 -1 59
MINIMUM 57 11:59 PM 29 1998 43 14 49
AVERAGE 61 55 6 54
PRECIPITATION (IN)
YESTERDAY 1.18R 0.78 2021 0.06 1.12 T
MONTH TO DATE 1.20 1.39 -0.19 T
SINCE JUL 1 6.41 2.78 3.63 0.15
SINCE OCT 1 6.29 2.60 3.69 0.15
SINCE JAN 1 12.48 11.14 1.34 16.44
DEGREE DAYS
HEATING
YESTERDAY 4 10 -6 11
MONTH TO DATE 80 231 -151 129
SINCE DEC 1 80 231 -151 129
SINCE JUL 1 191 393 -202 280
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 9 0 9 5
SINCE DEC 1 9 0 9 5
SINCE JAN 1 2014 1967 47 2032
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.9
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 96 1:00 PM
LOWEST 78 12:00 AM
AVERAGE 87
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 82 2013
MINIMUM TEMPERATURE (F) 43 31 1998
2016
SUNRISE AND SUNSET
DECEMBER 25 2025......SUNRISE 6:54 AM PST SUNSET 4:48 PM PST
DECEMBER 26 2025......SUNRISE 6:54 AM PST SUNSET 4:48 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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