Climatological Report (Daily)
Issued by NWS
Issued by NWS
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603
CDUS46 KSGX 170931
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
231 AM PDT FRI OCT 17 2025
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 16 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 77 2:43 PM 100 2017 80 -3 68
MINIMUM 50 6:10 AM 49 2018 58 -8 64
AVERAGE 64 69 -5 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 2004 0.02 -0.02 0.00
MONTH TO DATE 1.79 0.21 1.58 0.00
SINCE JUL 1 1.84 0.39 1.45 T
SINCE OCT 1 1.79 0.21 1.58 0.00
SINCE JAN 1 6.29 8.97 -2.68 14.69
DEGREE DAYS
HEATING
YESTERDAY 1 0 1 0
MONTH TO DATE 8 0 8 0
SINCE SEP 1 8 0 8 0
SINCE JUL 1 8 0 8 0
COOLING
YESTERDAY 0 5 -5 1
MONTH TO DATE 63 96 -33 113
SINCE SEP 1 398 396 2 420
SINCE JAN 1 1355 1419 -64 1354
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 1.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 AM
LOWEST 32 12:00 PM
AVERAGE 61
..........................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 99 2012
MINIMUM TEMPERATURE (F) 58 53 2021
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 6:59 AM PDT SUNSET 6:15 PM PDT
OCTOBER 18 2025.......SUNRISE 7:00 AM PDT SUNSET 6:14 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$