


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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833 CDUS46 KSGX 040957 CLIFUL CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 257 AM PDT THU SEP 04 2025 ................................... ...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 3 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 93 1:41 PM 108 2007 87 6 93 MINIMUM 70 5:49 AM 58 2010 66 4 67 AVERAGE 82 77 5 80 PRECIPITATION (IN) YESTERDAY 0.00 0.16 2017 0.01 -0.01 0.00 MONTH TO DATE 0.00 0.01 -0.01 0.00 SINCE JUL 1 T 0.05 -0.05 0.00 SINCE OCT 1 4.48 11.73 -7.25 16.56 SINCE JAN 1 4.45 8.63 -4.18 14.69 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 17 12 5 15 MONTH TO DATE 50 36 14 39 SINCE SEP 1 50 36 14 39 SINCE JAN 1 1007 1059 -52 973 ................................................................... WIND (MPH) RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER MM WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 111 2022 MINIMUM TEMPERATURE (F) 66 57 2005 SUNRISE AND SUNSET SEPTEMBER 4 2025.....SUNRISE 6:28 AM PDT SUNSET 7:13 PM PDT SEPTEMBER 5 2025.....SUNRISE 6:29 AM PDT SUNSET 7:12 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$