Climatological Report (Daily)
Issued by NWS
Issued by NWS
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546
CDUS46 KSGX 210045
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
545 PM PDT SUN SEP 20 2026
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 2:00 PM 104 2015 85 -1 87
MINIMUM 69 5:59 AM 55 1999 64 5 67
AVERAGE 77 74 3 77
PRECIPITATION (IN)
TODAY 0.00 0.36 2005 0.01 -0.01 0.00
MONTH TO DATE 0.89 0.08 0.81 0.04
SINCE JUL 1 0.89 0.12 0.77 0.04
SINCE OCT 1 16.55 11.80 4.75 4.52
SINCE JAN 1 6.15 8.70 -2.55 4.49
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 12 9 3 12
MONTH TO DATE 254 217 37 249
SINCE SEP 1 254 217 37 249
SINCE JAN 1 1634 1240 394 1206
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 1.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 48 2:00 PM
AVERAGE 66
..........................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 103 2021
MINIMUM TEMPERATURE (F) 64 55 2004
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:39 AM PDT SUNSET 6:51 PM PDT
SEPTEMBER 21 2026.....SUNRISE 6:39 AM PDT SUNSET 6:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$