CDUS46 KSGX 180922 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 222 AM PDT MON MAY 18 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 17 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 68 1:20 PM 102 2008 80 -12 65 MINIMUM 59 11:59 PM 45 2006 56 3 56 AVERAGE 64 68 -4 61 PRECIPITATION (IN) YESTERDAY 0.00 0.04 2011 0.01 -0.01 0.01 MONTH TO DATE 0.17 0.22 -0.05 0.25 SINCE JUL 1 12.16 11.54 0.62 6.12 SINCE OCT 1 12.04 11.36 0.68 6.12 SINCE JAN 1 5.02 8.26 -3.24 5.97 DEGREE DAYS HEATING YESTERDAY 1 1 0 4 MONTH TO DATE 11 26 -15 32 SINCE MAR 1 67 303 -236 376 SINCE JUL 1 631 1277 -646 1134 COOLING YESTERDAY 0 4 -4 0 MONTH TO DATE 56 58 -2 68 SINCE MAR 1 328 138 190 125 SINCE JAN 1 371 151 220 144 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 2:00 AM LOWEST 57 12:00 PM AVERAGE 70 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 101 2008 MINIMUM TEMPERATURE (F) 56 49 2011 2017 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 5:47 AM PDT SUNSET 7:47 PM PDT MAY 19 2026...........SUNRISE 5:46 AM PDT SUNSET 7:48PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$