183  
CDUS46 KSGX 062341  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
441 PM PDT TUE MAY 06 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 6 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 64 12:47 PM 98 2020 79 -15 78  
MINIMUM 55 5:53 AM 43 2016 54 1 49  
AVERAGE 60 66 -6 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.26 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.24 0.09 0.15 0.15  
SINCE JUL 1 6.11 11.41 -5.30 19.80  
SINCE OCT 1 6.11 11.23 -5.12 17.64  
SINCE JAN 1 5.96 8.13 -2.17 16.29  
 
DEGREE DAYS  
HEATING  
TODAY 5 2 3 1  
MONTH TO DATE 25 12 13 15  
SINCE MAR 1 369 289 80 405  
SINCE JUL 1 1127 1263 -136 1293  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 1 18 -17 2  
SINCE MAR 1 58 98 -40 27  
SINCE JAN 1 77 111 -34 27    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 35 4:00 AM  
AVERAGE 62  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2020  
MINIMUM TEMPERATURE (F) 55 46 2017  
 
SUNRISE AND SUNSET  
MAY 6 2025...........SUNRISE 5:56 AM PDT SUNSET 7:39 PM PDT  
MAY 7 2025...........SUNRISE 5:55 AM PDT SUNSET 7:39 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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