467  
CDUS46 KSGX 050018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
518 PM PDT SUN JUN 04 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 4 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 79 3:59 PM 99 2006 83 -4 78  
MINIMUM 58 3:46 AM 49 1999 58 0 60  
AVERAGE 69 70 -1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2013 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 23.98 11.63 12.35 9.51  
SINCE OCT 1 23.68 11.45 12.23 9.02  
SINCE JAN 1 18.44 8.35 10.09 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE JUN 1 4 0 4 0  
SINCE JUL 1 1917 1288 629 1152  
 
COOLING  
TODAY 4 6 -2 4  
MONTH TO DATE 8 22 -14 30  
SINCE JUN 1 8 22 -14 30  
SINCE JAN 1 113 236 -123 286    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 2002  
MINIMUM TEMPERATURE (F) 58 46 1999  
 
SUNRISE AND SUNSET  
JUNE 4 2023..........SUNRISE 5:39 AM PDT SUNSET 7:58 PM PDT  
JUNE 5 2023..........SUNRISE 5:39 AM PDT SUNSET 7:59 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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