960
CDUS46 KSGX 301024
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
224 AM PST TUE DEC 30 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 29 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 71 3:17 PM 84 2017 67 4 69
MINIMUM 42 4:16 AM 32 2015 44 -2 43
AVERAGE 57 55 2 56
PRECIPITATION (IN)
YESTERDAY 0.00 1.22 2004 0.08 -0.08 0.00
MONTH TO DATE 1.63 1.75 -0.12 T
SINCE JUL 1 6.84 3.14 3.70 0.15
SINCE OCT 1 6.72 2.96 3.76 0.15
SINCE JAN 1 12.91 11.50 1.41 16.44
DEGREE DAYS
HEATING
YESTERDAY 8 10 -2 9
MONTH TO DATE 127 281 -154 178
SINCE DEC 1 127 281 -154 178
SINCE JUL 1 238 443 -205 329
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 11 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 3:00 AM
LOWEST 12 11:00 AM
AVERAGE 38
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 79 1998
MINIMUM TEMPERATURE (F) 44 34 2010
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 6:56 AM PST SUNSET 4:51 PM PST
DECEMBER 31 2025......SUNRISE 6:56 AM PST SUNSET 4:52 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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