CDUS46 KSGX 130032 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 432 PM PST FRI DEC 12 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 80 2:37 PM 84 2010 67 13 61 MINIMUM 51 4:00 AM 36 2007 43 8 39 AVERAGE 66 55 11 50 PRECIPITATION (IN) TODAY 0.00 1.57 2014 0.06 -0.06 0.00 MONTH TO DATE 0.00 0.66 -0.66 0.00 SINCE JUL 1 5.21 2.05 3.16 0.15 SINCE OCT 1 5.09 1.87 3.22 0.15 SINCE JAN 1 11.28 10.41 0.87 16.44 DEGREE DAYS HEATING TODAY 0 10 -10 15 MONTH TO DATE 45 111 -66 63 SINCE DEC 1 45 111 -66 63 SINCE JUL 1 156 273 -117 214 COOLING TODAY 1 0 1 0 MONTH TO DATE 8 0 8 0 SINCE DEC 1 8 0 8 0 SINCE JAN 1 2013 1967 46 2027 ................................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 1.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 64 2:00 AM LOWEST 24 2:00 PM AVERAGE 44 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 83 2017 MINIMUM TEMPERATURE (F) 43 36 2015 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 6:47 AM PST SUNSET 4:42 PM PST DECEMBER 13 2025......SUNRISE 6:47 AM PST SUNSET 4:42 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$