


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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424 CDUS46 KSGX 210825 CLIFUL CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 125 AM PDT THU AUG 21 2025 ................................... ...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 20 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 94 3:19 PM 98 2007 87 7 96 MINIMUM 66 5:31 AM 60 1998 66 0 65 AVERAGE 80 77 3 81 PRECIPITATION (IN) YESTERDAY 0.00 2.01 2023 0.00 0.00 0.00 MONTH TO DATE 0.00 0.01 -0.01 0.00 SINCE JUL 1 0.00 0.03 -0.03 0.00 SINCE OCT 1 4.48 11.71 -7.23 16.56 SINCE JAN 1 4.45 8.61 -4.16 14.69 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 2 -2 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 15 12 3 16 MONTH TO DATE 202 228 -26 269 SINCE JUN 1 651 722 -71 796 SINCE JAN 1 792 893 -101 828 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 3.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 4:00 AM LOWEST 27 3:00 PM AVERAGE 57 .......................................................... THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 95 1998 MINIMUM TEMPERATURE (F) 66 61 2005 SUNRISE AND SUNSET AUGUST 21 2025........SUNRISE 6:18 AM PDT SUNSET 7:31 PM PDT AUGUST 22 2025........SUNRISE 6:19 AM PDT SUNSET 7:30 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$