CDUS46 KSGX 050025 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 525 PM PDT MON MAY 04 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 4 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 68 12:28 PM 95 2004 78 -10 59 MINIMUM 55 5:50 AM 46 2001 54 1 53 AVERAGE 62 66 -4 56 PRECIPITATION (IN) TODAY 0.00 T 2016 0.01 -0.01 0.05 MONTH TO DATE T 0.06 -0.06 0.05 SINCE JUL 1 11.99 11.38 0.61 5.92 SINCE OCT 1 11.87 11.20 0.67 5.92 SINCE JAN 1 4.85 8.10 -3.25 5.77 DEGREE DAYS HEATING TODAY 3 2 1 9 MONTH TO DATE 4 8 -4 13 SINCE MAR 1 60 285 -225 357 SINCE JUL 1 624 1259 -635 1115 COOLING TODAY 0 3 -3 0 MONTH TO DATE 8 12 -4 1 SINCE MAR 1 280 92 188 58 SINCE JAN 1 323 105 218 77 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 77 2:00 AM LOWEST 39 12:00 PM AVERAGE 58 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 2018 MINIMUM TEMPERATURE (F) 54 45 1999 SUNRISE AND SUNSET MAY 4 2026...........SUNRISE 5:58 AM PDT SUNSET 7:37 PM PDT MAY 5 2026...........SUNRISE 5:57 AM PDT SUNSET 7:38 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$