Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 180926
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
226 AM PDT THU SEP 18 2025
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 17 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 11:13 AM 100 2020 85 7 76
MINIMUM 70 6:06 PM 55 2006 65 5 59
AVERAGE 81 75 6 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00
MONTH TO DATE 0.00 0.06 -0.06 T
SINCE JUL 1 T 0.10 -0.10 T
SINCE OCT 1 4.48 11.78 -7.30 16.56
SINCE JAN 1 4.45 8.68 -4.23 14.69
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 16 10 6 3
MONTH TO DATE 212 188 24 239
SINCE SEP 1 212 188 24 239
SINCE JAN 1 1169 1211 -42 1173
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.9
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 5:00 PM
LOWEST 34 11:00 AM
AVERAGE 55
..........................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 2020
MINIMUM TEMPERATURE (F) 65 55 2010
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:37 AM PDT SUNSET 6:54 PM PDT
SEPTEMBER 19 2025.....SUNRISE 6:38 AM PDT SUNSET 6:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$