Climatological Report (Daily)
Issued by NWS
Issued by NWS
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090
CDUS46 KSGX 030035
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
535 PM PDT TUE SEP 02 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 102 3:00 PM 110 2007 95 7 98
MINIMUM 71 MM 56 1999 65 6 69
AVERAGE 87 80 7 84
PRECIPITATION (IN)
TODAY 0.00 T 2022 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE JUL 1 T 0.08 -0.08 T
SINCE OCT 1 6.22 11.54 -5.32 17.64
SINCE JAN 1 6.07 8.44 -2.37 16.29
DEGREE DAYS
HEATING
TODAY 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
TODAY 22 15 7 19
MONTH TO DATE 42 30 12 35
SINCE SEP 1 42 30 12 35
SINCE JAN 1 1431 1403 28 1409
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 5:00 AM
LOWEST 18 3:00 PM
AVERAGE 41
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 94 110 2007
MINIMUM TEMPERATURE (F) 65 56 2000
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 6:25 AM PDT SUNSET 7:14 PM PDT
SEPTEMBER 3 2025.....SUNRISE 6:26 AM PDT SUNSET 7:13 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$