Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 310922
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
222 AM PDT THU JUL 31 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 30 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 92 2:08 PM 102 2020 95 -3 93
2021
MINIMUM 64 5:28 AM 60 2010 65 -1 64
2013
AVERAGE 78 80 -2 79
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00
MONTH TO DATE 0.00 0.05 -0.05 0.00
SINCE JUL 1 0.00 0.05 -0.05 0.00
SINCE OCT 1 6.22 11.51 -5.29 17.64
SINCE JAN 1 6.07 8.41 -2.34 16.29
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 2
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 13 15 -2 14
MONTH TO DATE 331 427 -96 506
SINCE JUN 1 619 677 -58 791
SINCE JAN 1 869 891 -22 852
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.0
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 76 6:00 AM
LOWEST 29 12:00 PM
AVERAGE 53
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 105 2020
MINIMUM TEMPERATURE (F) 65 59 2010
2013
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 6:01 AM PDT SUNSET 7:52 PM PDT
AUGUST 1 2025........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$