946 CDUS46 KSGX 171021 CLISAN CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 221 AM PST WED DEC 17 2025 ................................... ...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 16 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1874 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 65 12:45 PM 84 1980 66 -1 68 MINIMUM 51 7:33 AM 38 1884 50 1 46 1892 2021 AVERAGE 58 58 0 57 PRECIPITATION (IN) YESTERDAY 0.00 1.36 1987 0.05 -0.05 0.00 MONTH TO DATE 0.00 0.78 -0.78 0.01 SINCE JUL 1 4.02 2.28 1.74 0.16 SINCE OCT 1 3.51 2.07 1.44 0.14 SINCE JAN 1 8.44 8.90 -0.46 11.16 DEGREE DAYS HEATING YESTERDAY 7 8 -1 8 MONTH TO DATE 89 107 -18 107 SINCE DEC 1 89 107 -18 107 SINCE JUL 1 187 212 -25 240 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 711 893 -182 864 ................................................................... WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 3.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 12:00 AM LOWEST 67 12:00 PM AVERAGE 84 .......................................................... THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 82 1979 MINIMUM TEMPERATURE (F) 49 38 1916 SUNRISE AND SUNSET DECEMBER 17 2025......SUNRISE 6:45 AM PST SUNSET 4:45 PM PST DECEMBER 18 2025......SUNRISE 6:45 AM PST SUNSET 4:45 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$