662  
CDUS46 KSGX 020020  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
520 PM PDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 1 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 3:25 PM 107 2012 86 -16 81  
MINIMUM 55 5:34 AM 52 2019 61 -6 62  
AVERAGE 63 74 -11 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 MM 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 2.16 0.19 1.97 0.30  
SINCE OCT 1 0.00 0.01 -0.01 0.00  
SINCE JAN 1 20.60 8.55 12.05 1.70  
 
DEGREE DAYS  
HEATING  
TODAY 2 0 2 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 3 1 2 0  
SINCE JUL 1 3 1 2 0  
 
COOLING  
TODAY 0 9 -9 7  
MONTH TO DATE 0 9 -9 7  
SINCE SEP 1 263 387 -124 505  
SINCE JAN 1 1451 1760 -309 2127    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.1  
 
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 90 3:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 105 2020  
MINIMUM TEMPERATURE (F) 61 53 2002  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 6:45 AM PDT SUNSET 6:35 PM PDT  
OCTOBER 2 2023.......SUNRISE 6:46 AM PDT SUNSET 6:33 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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