831  
CDUS46 KSGX 020023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
523 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 3:56 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 W (280)  
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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