760
CXUS56 KSGX 010949
CLMFUL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
249 AM PDT MON JUN 01 2026

...................................

...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   05/15/2014
                       05/13/2013
                       05/03/2004
 LOW              49   05/27/2019
                       05/08/2017
                       05/16/2011
HIGHEST           89   05/19         75      14       99  05/10
                       05/20
LOWEST            55   05/06         56      -1       54  05/08
                       05/28
                                                          05/14
                                                          05/19
AVG. MAXIMUM    75.2               75.7    -0.5     77.7
AVG. MINIMUM    58.8               58.1     0.7     59.0
MEAN            67.0               66.9     0.1     68.4
DAYS MAX >= 90     0                1.8    -1.8        3
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.68   1998
 MINIMUM        0.00   2014
TOTALS          0.06               0.30   -0.24     0.02
DAILY AVG.      0.00               0.01   -0.01     0.00
DAYS >= .01        2                1.8     0.2        2
DAYS >= .10        0                0.8    -0.8        0
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.06   05/04 TO 05/05               0.01  05/04 TO 05/04
                                                          05/03 TO 05/03
                                                          05/04 TO 05/04
 STORM TOTAL    0.03                                0.01
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      7                 27     -20       19
 SINCE 7/1       521               1047    -526       MM
COOLING TOTAL     76                 86     -10      133
 SINCE 1/1       325                171     154       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        12/31
LATEST                          MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
RESULTANT WIND SPEED/DIRECTION   3/190
HIGHEST WIND SPEED/DIRECTION    17/190    DATE  05/27
HIGHEST GUST SPEED/DIRECTION    28/190    DATE  05/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.45
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$