228  
CDUS46 KSGX 242320  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
420 PM PDT SUN SEP 24 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 24 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 87 2:34 PM 103 2001 89 -2 96  
2019  
MINIMUM 58 6:47 AM 53 1998 63 -5 68  
2017  
AVERAGE 73 76 -3 82  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2021 0.00 0.00 0.00  
MONTH TO DATE 0.24 0.07 0.17 0.27  
SINCE JUL 1 2.16 0.15 2.01 0.30  
SINCE OCT 1 25.84 11.61 14.23 9.32  
SINCE JAN 1 20.60 8.51 12.09 1.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 8 11 -3 17  
MONTH TO DATE 226 319 -93 395  
SINCE SEP 1 226 319 -93 395  
SINCE JAN 1 1414 1692 -278 2017    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 105 2010  
MINIMUM TEMPERATURE (F) 62 52 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 6:40 AM PDT SUNSET 6:45 PM PDT  
SEPTEMBER 25 2023.....SUNRISE 6:41 AM PDT SUNSET 6:43 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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