


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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637 CDUS46 KSGX 110930 CLIFUL CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 230 AM PDT MON AUG 11 2025 ................................... ...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 10 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 85 12:46 PM 100 2012 86 -1 92 MINIMUM 65 4:57 AM 58 2010 66 -1 65 AVERAGE 75 76 -1 79 PRECIPITATION (IN) YESTERDAY 0.00 0.01 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 10 11 -1 14 MONTH TO DATE 104 110 -6 135 SINCE JUN 1 553 604 -51 662 SINCE JAN 1 694 775 -81 694 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 44 12:00 PM AVERAGE 67 .......................................................... THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 98 2022 MINIMUM TEMPERATURE (F) 66 60 2010 SUNRISE AND SUNSET AUGUST 11 2025........SUNRISE 6:11 AM PDT SUNSET 7:42 PM PDT AUGUST 12 2025........SUNRISE 6:12 AM PDT SUNSET 7:41 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$