386
CDUS46 KSGX 051025
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
225 AM PST MON JAN 05 2026
...............................
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 4 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 5:38 PM 85 2012 67 -9 62
MINIMUM 54 11:59 PM 34 2011 44 10 46
2013
AVERAGE 56 56 0 54
PRECIPITATION (IN)
YESTERDAY 0.09 1.18 2008 0.09 0.00 0.00
MONTH TO DATE 1.02 0.37 0.65 0.00
SINCE JUL 1 8.16 3.65 4.51 0.15
SINCE OCT 1 8.04 3.47 4.57 0.15
SINCE JAN 1 1.02 0.37 0.65 0.00
DEGREE DAYS
HEATING
YESTERDAY 9 10 -1 11
MONTH TO DATE 27 40 -13 24
SINCE DEC 1 166 344 -178 220
SINCE JUL 1 277 506 -229 371
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 9 2 7 6
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 84 4:00 PM
AVERAGE 91
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 83 2006
MINIMUM TEMPERATURE (F) 44 34 2009
2011
SUNRISE AND SUNSET
JANUARY 5 2026.......SUNRISE 6:57 AM PST SUNSET 4:56 PM PST
JANUARY 6 2026.......SUNRISE 6:57 AM PST SUNSET 4:56 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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