


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
946 CXUS56 KSGX 011359 CLMFUL CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 659 AM PDT FRI AUG 01 2025 ................................... ...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JULY 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 116 07/06/2018 LOW 58 07/28/2010 07/12/2001 07/24/1999 HIGHEST 89 07/08 84 5 95 07/25 07/09 LOWEST 60 07/01 62 -2 61 07/29 07/30 07/31 AVG. MAXIMUM 80.9 84.4 -3.5 85.6 AVG. MINIMUM 63.8 66.1 -2.3 65.6 MEAN 72.4 75.2 -2.8 75.6 DAYS MAX >= 90 0 6.4 -6.4 4 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 0.48 2015 MINIMUM 0.00 2025 TOTALS 0.00R 0.02 -0.02 0.00 DAILY AVG. 0.00 0.00 -0.00 0.00 DAYS >= .01 0 0.3 -0.3 0 DAYS >= .10 0 0.1 -0.1 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 0.00 06/30 TO 06/30 0.00 06/30 TO 06/30 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 240 318 -78 336 SINCE 1/1 590 665 -75 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST 12/31 LATEST MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.3 RESULTANT WIND SPEED/DIRECTION 3/190 HIGHEST WIND SPEED/DIRECTION 15/200 DATE 07/26 HIGHEST GUST SPEED/DIRECTION 26/160 DATE 07/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.33 NUMBER OF DAYS FAIR 17 NUMBER OF DAYS PC 13 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 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 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$