031  
CDUS46 KSGX 212317  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
417 PM PDT SAT SEP 21 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 21 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:28 PM 105 2003 90 -11 76  
MINIMUM 58 5:16 AM 53 2007 63 -5 60  
AVERAGE 69 76 -7 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 2004 0.01 -0.01 0.00  
2005  
2006  
MONTH TO DATE T 0.06 -0.06 0.24  
SINCE JUL 1 T 0.14 -0.14 2.16  
SINCE OCT 1 17.64 11.60 6.04 25.64  
SINCE JAN 1 16.29 8.50 7.79 20.40  
 
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 4 12 -8 3  
MONTH TO DATE 301 286 15 208  
SINCE SEP 1 301 286 15 208  
SINCE JAN 1 1675 1659 16 1396    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 105 2009  
MINIMUM TEMPERATURE (F) 63 54 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:38 AM PDT SUNSET 6:48 PM PDT  
SEPTEMBER 22 2024.....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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