452  
CDUS46 KSGX 202331  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
431 PM PDT THU JUN 20 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 20 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 86 2:59 PM 112 2016 88 -2 82  
MINIMUM 59 5:19 AM 55 2010 61 -2 60  
AVERAGE 73 74 -1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2003 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE JUL 1 19.80 11.64 8.16 23.78  
SINCE OCT 1 17.64 11.46 6.18 23.48  
SINCE JAN 1 16.29 8.36 7.93 18.24  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 16  
SINCE JUN 1 2 0 2 16  
SINCE JUL 1 1314 1288 26 1929  
 
COOLING  
TODAY 8 9 -1 6  
MONTH TO DATE 130 141 -11 39  
SINCE JUN 1 130 141 -11 39  
SINCE JAN 1 191 355 -164 144    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 6:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 106 2008  
MINIMUM TEMPERATURE (F) 61 54 1998  
 
SUNRISE AND SUNSET  
JUNE 20 2024..........SUNRISE 5:39 AM PDT SUNSET 8:05 PM PDT  
JUNE 21 2024..........SUNRISE 5:40 AM PDT SUNSET 8:05 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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