696  
CDUS46 KSGX 040907  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
207 AM PDT WED OCT 04 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 3 2023
 
 
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)  
YESTERDAY  
MAXIMUM 85 3:37 PM 101 2020 86 -1 87  
MINIMUM 55 5:06 AM 50 2002 60 -5 62  
AVERAGE 70 73 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2018 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE JUL 1 2.16 0.20 1.96 0.30  
SINCE OCT 1 0.00 0.02 -0.02 0.00  
SINCE JAN 1 20.60 8.56 12.04 1.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE SEP 1 4 1 3 0  
SINCE JUL 1 4 1 3 0  
 
COOLING  
YESTERDAY 5 8 -3 10  
MONTH TO DATE 5 26 -21 25  
SINCE SEP 1 268 404 -136 523  
SINCE JAN 1 1456 1777 -321 2145    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 2014  
MINIMUM TEMPERATURE (F) 60 51 2009  
 
SUNRISE AND SUNSET  
OCTOBER 4 2023.......SUNRISE 6:47 AM PDT SUNSET 6:31 PM PDT  
OCTOBER 5 2023.......SUNRISE 6:48 AM PDT SUNSET 6:29 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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