414
CXUS56 KSGX 010951
CLMFUL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
251 AM PDT SUN JUN 01 2025

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

...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

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           99   05/10         75      24       75  05/09
                                                          05/29
LOWEST            54   05/08         56      -2       50  05/06
                       05/14
                       05/19
AVG. MAXIMUM    77.7               75.7     2.0     71.9
AVG. MINIMUM    59.0               58.1     0.9     57.8
MEAN            68.4               66.9     1.5     64.9
DAYS MAX >= 90     3                1.8     1.2        0
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          0.02               0.30   -0.28     0.10
DAILY AVG.      0.00               0.01   -0.01     0.00
DAYS >= .01        2                1.8     0.2        1
DAYS >= .10        0                0.8    -0.8        1
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   0.01   05/04 TO 05/04               0.10  05/05 TO 05/05
                       05/03 TO 05/03
                       05/04 TO 05/04
 STORM TOTAL    0.01                                0.10
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL     19                 27      -8       14
 SINCE 7/1       937               1047    -110       MM
COOLING TOTAL    133                 86      47       17
 SINCE 1/1       141                171     -30       MM

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

WIND (MPH)
AVERAGE WIND SPEED              4.4
RESULTANT WIND SPEED/DIRECTION   3/180
HIGHEST WIND SPEED/DIRECTION    15/200    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    24/180    DATE  05/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     MM

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                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

$$