435  
CDUS46 KSGX 210030  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
530 PM PDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 20 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 82 2:34 PM 112 2016 88 -6 100  
MINIMUM 60 4:19 AM 55 2010 61 -1 59  
AVERAGE 71 74 -3 80  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2003 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE JUL 1 23.98 11.64 12.34 9.51  
SINCE OCT 1 23.68 11.46 12.22 9.02  
SINCE JAN 1 18.44 8.36 10.08 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 16 0 16 0  
SINCE JUN 1 16 0 16 0  
SINCE JUL 1 1929 1288 641 1152  
 
COOLING  
TODAY 6 9 -3 15  
MONTH TO DATE 39 141 -102 200  
SINCE JUN 1 39 141 -102 200  
SINCE JAN 1 144 355 -211 456    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 32 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
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 2023..........SUNRISE 5:39 AM PDT SUNSET 8:05 PM PDT  
JUNE 21 2023..........SUNRISE 5:39 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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