479  
CDUS46 KSGX 010920  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT TUE OCT 01 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 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 98 2:54 PM 108 2020 87 11 69  
MINIMUM 61 5:29 AM 52 2019 61 0 59  
AVERAGE 80 74 6 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2011 0.00 0.00 T  
2023  
MONTH TO DATE T 0.10 -0.10 0.24  
SINCE JUL 1 T 0.18 -0.18 2.16  
SINCE OCT 1 17.64 11.64 6.00 25.64  
SINCE JAN 1 16.29 8.54 7.75 20.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 15 9 6 0  
MONTH TO DATE 386 378 8 263  
SINCE SEP 1 386 378 8 263  
SINCE JAN 1 1760 1751 9 1451    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 49  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 107 2012  
MINIMUM TEMPERATURE (F) 61 52 2019  
 
SUNRISE AND SUNSET  
OCTOBER 1 2024.......SUNRISE 6:45 AM PDT SUNSET 6:34 PM PDT  
OCTOBER 2 2024.......SUNRISE 6:46 AM PDT SUNSET 6:32 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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