Climatological Report (Daily)
Issued by NWS
Issued by NWS
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044
CDUS46 KSGX 200040
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
540 PM PDT TUE AUG 19 2025
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 19 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 87 2:22 PM 97 2020 87 0 94
MINIMUM 66 6:15 AM 60 2005 66 0 65
AVERAGE 77 77 0 80
PRECIPITATION (IN)
TODAY 0.00 0.00 MM 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE JUL 1 0.00 0.03 -0.03 0.00
SINCE OCT 1 4.48 11.71 -7.23 16.56
SINCE JAN 1 4.45 8.61 -4.16 14.69
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 2 -2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 12 12 0 15
MONTH TO DATE 187 216 -29 253
SINCE JUN 1 636 710 -74 780
SINCE JAN 1 777 881 -104 812
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 45 1:00 PM
AVERAGE 69
..........................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2007
MINIMUM TEMPERATURE (F) 66 60 1998
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:17 AM PDT SUNSET 7:33 PM PDT
AUGUST 20 2025........SUNRISE 6:18 AM PDT SUNSET 7:32 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$