CDUS46 KSGX 210925 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 225 AM PDT MON SEP 21 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 20 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 85 3:29 PM 104 2015 90 -5 92 MINIMUM 63 4:45 AM 53 1999 63 0 67 AVERAGE 74 77 -3 80 PRECIPITATION (IN) YESTERDAY 0.00 0.29 2005 0.00 0.00 0.00 MONTH TO DATE 0.56 0.05 0.51 0.09 SINCE JUL 1 0.56 0.13 0.43 0.09 SINCE OCT 1 12.64 11.59 1.05 6.31 SINCE JAN 1 5.62 8.49 -2.87 6.16 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 9 12 -3 15 MONTH TO DATE 282 274 8 297 SINCE SEP 1 282 274 8 297 SINCE JAN 1 2094 1647 447 1686 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 34 3:00 PM AVERAGE 64 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 90 105 2003 MINIMUM TEMPERATURE (F) 63 53 2007 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 6:38 AM PDT SUNSET 6:48 PM PDT SEPTEMBER 22 2026.....SUNRISE 6:39 AM PDT SUNSET 6:47 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$