137  
CDUS46 KSGX 012319  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
419 PM PDT THU JUN 01 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 1 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 65 12:42 PM 100 2013 82 -17 93  
MINIMUM 57 3:58 AM 51 2011 58 -1 58  
AVERAGE 61 70 -9 76  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2009 0.00 0.00 0.00  
2009  
2017  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE JUL 1 23.98 11.62 12.36 9.51  
SINCE OCT 1 23.68 11.44 12.24 9.02  
SINCE JAN 1 18.44 8.34 10.10 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 4 0 4 0  
MONTH TO DATE 4 0 4 0  
SINCE JUN 1 4 0 4 0  
SINCE JUL 1 1917 1288 629 1152  
 
COOLING  
TODAY 0 5 -5 11  
MONTH TO DATE 0 5 -5 11  
SINCE JUN 1 0 5 -5 11  
SINCE JAN 1 105 219 -114 267    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 2016  
MINIMUM TEMPERATURE (F) 58 50 2011  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 5:40 AM PDT SUNSET 7:57 PM PDT  
JUNE 2 2023..........SUNRISE 5:40 AM PDT SUNSET 7:57 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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