523  
CDUS46 KSGX 222328  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
428 PM PDT FRI SEP 22 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 22 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 77 2:20 PM 105 2009 90 -13 93  
MINIMUM 58 6:33 AM 54 2017 63 -5 60  
AVERAGE 68 76 -8 77  
 
PRECIPITATION (IN)  
TODAY 0.00 0.17 2007 0.00 0.00 0.00  
MONTH TO DATE 0.24 0.06 0.18 0.27  
SINCE JUL 1 2.16 0.14 2.02 0.30  
SINCE OCT 1 25.84 11.60 14.24 9.32  
SINCE JAN 1 20.60 8.50 12.10 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 3 11 -8 12  
MONTH TO DATE 211 297 -86 362  
SINCE SEP 1 211 297 -86 362  
SINCE JAN 1 1399 1670 -271 1984    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 35 2:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 103 2009  
MINIMUM TEMPERATURE (F) 63 54 2010  
2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 6:38 AM PDT SUNSET 6:47 PM PDT  
SEPTEMBER 23 2023.....SUNRISE 6:39 AM PDT SUNSET 6:46 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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