270
CDUS46 KSGX 210922
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
222 AM PDT THU MAY 21 2026
...............................
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 20 2026
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)
YESTERDAY
MAXIMUM 89 3:03 PM 97 2017 76 13 89
MINIMUM 57 5:03 AM 54 2011 59 -2 59
AVERAGE 73 67 6 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.07 2002 0.01 -0.01 0.00
MONTH TO DATE 0.06 0.22 -0.16 0.02
SINCE JUL 1 15.67 11.70 3.97 4.48
SINCE OCT 1 15.62 11.52 4.10 4.48
SINCE JAN 1 5.22 8.42 -3.20 4.45
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 5 24 -19 19
SINCE MAR 1 41 240 -199 227
SINCE JUL 1 519 1045 -526 937
COOLING
YESTERDAY 8 3 5 9
MONTH TO DATE 52 48 4 61
SINCE MAR 1 248 118 130 69
SINCE JAN 1 301 133 168 69
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.4
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 11:00 PM
LOWEST 16 4:00 PM
AVERAGE 46
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THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 2003
MINIMUM TEMPERATURE (F) 59 50 2002
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 5:47 AM PDT SUNSET 7:51 PM PDT
MAY 22 2026...........SUNRISE 5:46 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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