567  
CDUS46 KSGX 122319  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
419 PM PDT MON JUN 12 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 12 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 68 12:42 PM 97 2019 85 -17 89  
MINIMUM 58 7:33 AM 54 1999 59 -1 62  
AVERAGE 63 72 -9 76  
 
PRECIPITATION (IN)  
TODAY T R 0.00 MM 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 2 0 2 0  
MONTH TO DATE 14 0 14 0  
SINCE JUN 1 14 0 14 0  
SINCE JUL 1 1927 1288 639 1152  
 
COOLING  
TODAY 0 7 -7 11  
MONTH TO DATE 9 74 -65 123  
SINCE JUN 1 9 74 -65 123  
SINCE JAN 1 114 288 -174 379    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 61 11:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 2007  
MINIMUM TEMPERATURE (F) 59 51 1998  
 
SUNRISE AND SUNSET  
JUNE 12 2023..........SUNRISE 5:39 AM PDT SUNSET 8:02 PM PDT  
JUNE 13 2023..........SUNRISE 5:39 AM PDT SUNSET 8:03 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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