408  
CDUS46 KSGX 290022  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
522 PM PDT TUE MAY 28 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 28 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 2:58 PM 103 2003 81 -1 68  
MINIMUM 54 2:18 AM 50 2010 57 -3 56  
2019  
AVERAGE 67 69 -2 62  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2022 0.01 -0.01 T  
2023  
MONTH TO DATE 0.15 0.29 -0.14 0.78  
SINCE JUL 1 19.80 11.61 8.19 23.78  
SINCE OCT 1 17.64 11.43 6.21 23.48  
SINCE JAN 1 16.29 8.33 7.96 18.24  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 3  
MONTH TO DATE 34 37 -3 71  
SINCE MAR 1 424 314 110 545  
SINCE JUL 1 1312 1288 24 1906  
 
COOLING  
TODAY 2 5 -3 0  
MONTH TO DATE 25 104 -79 56  
SINCE MAR 1 50 184 -134 105  
SINCE JAN 1 50 197 -147 105    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 2002  
MINIMUM TEMPERATURE (F) 57 49 2010  
 
SUNRISE AND SUNSET  
MAY 28 2024...........SUNRISE 5:41 AM PDT SUNSET 7:55 PM PDT  
MAY 29 2024...........SUNRISE 5:41 AM PDT SUNSET 7:55 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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