Climatological Report (Daily)
Issued by NWS
Issued by NWS
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995
CDUS46 KSGX 100945
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
245 AM PDT WED SEP 10 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 9 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 86 2:25 PM 108 2024 93 -7 108
MINIMUM 63 7:00 AM 55 2000 65 -2 78
AVERAGE 75 79 -4 93
PRECIPITATION (IN)
YESTERDAY 0.00 T 2013 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 10 14 -4 28
MONTH TO DATE 159 131 28 229
SINCE SEP 1 159 131 28 229
SINCE JAN 1 1548 1504 44 1603
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.2
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 84 11:00 PM
LOWEST 29 2:00 PM
AVERAGE 57
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 93 100 2017
2021
2024
MINIMUM TEMPERATURE (F) 65 55 2008
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:30 AM PDT SUNSET 7:03 PM PDT
SEPTEMBER 11 2025.....SUNRISE 6:31 AM PDT SUNSET 7:02 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$