Climatological Report (Monthly)
Issued by NWS
Issued by NWS
648
CXUS56 KSGX 162101
CLMFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
201 PM PDT WED SEP 16 2026
...................................
...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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
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TEMPERATURE (F)
RECORD
HIGH 107 08/18/2020
08/27/2009
08/17/2020
LOW 41 08/06/2013
HIGHEST 101 08/24 86 15 96 08/31
LOWEST 66 08/16 63 3 63 08/03
08/17
AVG. MAXIMUM 91.7 86.7 5.0 86.6
AVG. MINIMUM 69.8 66.4 3.4 66.6
MEAN 80.8 76.5 4.3 76.6
DAYS MAX >= 90 20 9.4 10.6 11
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 T
DAILY AVG. T 0.00 -0.00 T
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 08/20 TO 08/20 T 08/23 TO 08/23
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 496 358 138 367
SINCE 1/1 1380 1023 357 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 12/31
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 3.7
RESULTANT WIND SPEED/DIRECTION 2/210
HIGHEST WIND SPEED/DIRECTION 15/240 DATE 08/27
HIGHEST GUST SPEED/DIRECTION 21/210 DATE 08/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.10
NUMBER OF DAYS FAIR 27
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 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 4 FOG W/VIS <= 1/4 MILE 0
HAZE 13
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$