637  
CDUS46 KSGX 310931  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
231 AM PDT THU OCT 31 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 30 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 3:52 PM 91 1999 80 -6 79  
MINIMUM 49 5:56 AM 44 2019 54 -5 50  
AVERAGE 62 67 -5 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2010 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.39 -0.33 T  
SINCE JUL 1 0.06 0.57 -0.51 2.16  
SINCE OCT 1 0.06 0.39 -0.33 T  
SINCE JAN 1 16.35 8.93 7.42 20.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 10 21 -11 4  
SINCE SEP 1 10 22 -12 5  
SINCE JUL 1 10 22 -12 5  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 267 173 94 216  
SINCE SEP 1 653 551 102 479  
SINCE JAN 1 2027 1924 103 1667    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 3:00 AM  
LOWEST 19 2:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 1999  
2015  
2020  
MINIMUM TEMPERATURE (F) 53 41 2019  
 
SUNRISE AND SUNSET  
OCTOBER 31 2024.......SUNRISE 7:10 AM PDT SUNSET 5:58 PM PDT  
NOVEMBER 1 2024......SUNRISE 7:11 AM PDT SUNSET 5:57 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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