473  
CDUS46 KSGX 060026  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
526 PM PDT THU JUN 05 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 5 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 3:29 PM 101 2002 83 -2 88  
MINIMUM 61 6:59 AM 46 1999 58 3 59  
AVERAGE 71 70 1 74  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2018 0.00 0.00 0.00  
2020  
2023  
MONTH TO DATE 0.10 0.01 0.09 0.00  
SINCE JUL 1 6.22 11.63 -5.41 19.80  
SINCE OCT 1 6.22 11.45 -5.23 17.64  
SINCE JAN 1 6.07 8.35 -2.28 16.29  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 0 0 0 2  
SINCE JUL 1 1134 1288 -154 1314  
 
COOLING  
TODAY 6 6 0 9  
MONTH TO DATE 36 28 8 18  
SINCE JUN 1 36 28 8 18  
SINCE JAN 1 286 242 44 79    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 62  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2002  
MINIMUM TEMPERATURE (F) 58 52 2011  
 
SUNRISE AND SUNSET  
JUNE 5 2025..........SUNRISE 5:39 AM PDT SUNSET 7:59 PM PDT  
JUNE 6 2025..........SUNRISE 5:39 AM PDT SUNSET 8:00 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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