CDUS46 KSGX 100030 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 530 PM PDT FRI MAY 09 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 9 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 100R 1:42 PM 94 2007 79 21 82 MINIMUM 62 4:26 AM 49 2003 55 7 55 AVERAGE 81 67 14 69 PRECIPITATION (IN) TODAY 0.00 T 2013 0.02 -0.02 0.00 2013 2017 MONTH TO DATE 0.24 0.13 0.11 0.15 SINCE JUL 1 6.11 11.45 -5.34 19.80 SINCE OCT 1 6.11 11.27 -5.16 17.64 SINCE JAN 1 5.96 8.17 -2.21 16.29 DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 25 18 7 16 SINCE MAR 1 369 295 74 406 SINCE JUL 1 1127 1269 -142 1294 COOLING TODAY 16 3 13 4 MONTH TO DATE 27 27 0 6 SINCE MAR 1 84 107 -23 31 SINCE JAN 1 103 120 -17 31 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 3.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 67 3:00 AM LOWEST 17 12:00 PM AVERAGE 42 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 90 2007 MINIMUM TEMPERATURE (F) 55 46 2003 SUNRISE AND SUNSET MAY 9 2025...........SUNRISE 5:53 AM PDT SUNSET 7:41 PM PDT MAY 10 2025...........SUNRISE 5:53 AM PDT SUNSET 7:42 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$