Climatological Report (Monthly)
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263
CXUS56 KSGX 010944
CLMFUL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
244 AM PDT MON SEP 01 2025

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

...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            107   08/18/2020
                       08/27/2009
                       08/17/2020
 LOW              41   08/06/2013
HIGHEST           96   08/31         86      10       97  08/05
LOWEST            63   08/03         63       0       63  08/25
                                                          08/30
AVG. MAXIMUM    86.6               86.7    -0.1     87.5
AVG. MINIMUM    66.6               66.4     0.2     66.3
MEAN            76.6               76.5     0.1     76.9
DAYS MAX >= 90    11                9.4     1.6        9
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        2.61   1977
 MINIMUM        0.00   2024
TOTALS             T               0.02   -0.02     0.00
DAILY AVG.         T               0.00   -0.00     0.00
DAYS >= .01        0                0.2    -0.2        0
DAYS >= .10        0                0.0     0.0        0
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL      T   08/23 TO 08/23               0.00  07/31 TO 07/31
 STORM TOTAL    0.00                                0.00
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    367                358       9      375
 SINCE 1/1       957               1023     -66       MM

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

WIND (MPH)
AVERAGE WIND SPEED              3.8
RESULTANT WIND SPEED/DIRECTION   3/180
HIGHEST WIND SPEED/DIRECTION    18/090    DATE  08/23
HIGHEST GUST SPEED/DIRECTION    26/090    DATE  08/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

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