Climatological Report (Daily)
Issued by NWS
Issued by NWS
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793
CDUS46 KSGX 021023
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
223 AM PST TUE DEC 02 2025
...................................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 1 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 73 3:01 PM 87 2021 69 4 77
MINIMUM 48 6:56 AM 32 2004 45 3 51
AVERAGE 61 57 4 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2007 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.04 -0.04 0.00
SINCE JUL 1 5.21 1.43 3.78 0.15
SINCE OCT 1 5.09 1.25 3.84 0.15
SINCE JAN 1 11.28 9.79 1.49 16.44
DEGREE DAYS
HEATING
YESTERDAY 4 8 -4 1
MONTH TO DATE 4 8 -4 1
SINCE DEC 1 4 8 -4 1
SINCE JUL 1 115 170 -55 152
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 2005 1967 38 2027
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 1.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 18 5:00 PM
AVERAGE 59
..........................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 81 2020
MINIMUM TEMPERATURE (F) 45 31 2004
SUNRISE AND SUNSET
DECEMBER 2 2025......SUNRISE 6:39 AM PST SUNSET 4:41 PM PST
DECEMBER 3 2025......SUNRISE 6:40 AM PST SUNSET 4:41 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$