903
CDUS46 KSGX 090920
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE SEP 09 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 8 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 94 2:16 PM 109 2024 94 0 109
MINIMUM 67 11:59 PM 55 2002 65 2 80
AVERAGE 81 79 2 95
PRECIPITATION (IN)
YESTERDAY 0.00 T 2010 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE JUL 1 T 0.10 -0.10 T
SINCE OCT 1 6.22 11.56 -5.34 17.64
SINCE JAN 1 6.07 8.46 -2.39 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 14 2 30
MONTH TO DATE 149 117 32 201
SINCE SEP 1 149 117 32 201
SINCE JAN 1 1538 1490 48 1575
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 11:00 PM
LOWEST 15 1:00 PM
AVERAGE 39
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 93 108 2024
MINIMUM TEMPERATURE (F) 65 55 2000
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:30 AM PDT SUNSET 7:05 PM PDT
SEPTEMBER 10 2025.....SUNRISE 6:30 AM PDT SUNSET 7:03 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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