CDUS46 KSGX 271021 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 221 AM PST SAT DEC 27 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 26 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 58 12:29 AM 82 2013 66 -8 66 MINIMUM 52 11:59 PM 32 2008 43 9 46 AVERAGE 55 55 0 56 PRECIPITATION (IN) YESTERDAY 0.42 1.65 2019 0.07 0.35 0.00 MONTH TO DATE 1.63 1.52 0.11 T SINCE JUL 1 6.84 2.91 3.93 0.15 SINCE OCT 1 6.72 2.73 3.99 0.15 SINCE JAN 1 12.91 11.27 1.64 16.44 DEGREE DAYS HEATING YESTERDAY 10 10 0 9 MONTH TO DATE 96 251 -155 149 SINCE DEC 1 96 251 -155 149 SINCE JUL 1 207 413 -206 300 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 9 0 9 5 SINCE DEC 1 9 0 9 5 SINCE JAN 1 2014 1967 47 2032 ................................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (50) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 11:00 PM LOWEST 67 12:00 AM AVERAGE 82 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 81 2013 MINIMUM TEMPERATURE (F) 44 32 2003 SUNRISE AND SUNSET DECEMBER 27 2025......SUNRISE 6:55 AM PST SUNSET 4:49 PM PST DECEMBER 28 2025......SUNRISE 6:55 AM PST SUNSET 4:50 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$