899  
CDUS46 KSGX 110031  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
531 PM PDT MON MAR 10 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 10 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 75 12:23 PM 87 2004 71 4 70  
MINIMUM 46 7:51 AM 38 2010 49 -3 46  
AVERAGE 61 60 1 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.87 2023 0.06 -0.06 0.00  
MONTH TO DATE 0.65 0.74 -0.09 1.49  
SINCE JUL 1 4.57 9.66 -5.09 17.09  
SINCE OCT 1 4.57 9.48 -4.91 14.93  
SINCE JAN 1 4.42 6.38 -1.96 13.58  
 
DEGREE DAYS  
HEATING  
TODAY 4 6 -2 7  
MONTH TO DATE 102 63 39 92  
SINCE MAR 1 102 63 39 92  
SINCE JUL 1 860 1037 -177 980  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE MAR 1 0 5 -5 0  
SINCE JAN 1 19 18 1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 7:00 AM  
LOWEST 19 12:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 2007  
MINIMUM TEMPERATURE (F) 49 37 2010  
 
SUNRISE AND SUNSET  
MARCH 10 2025.........SUNRISE 7:07 AM PDT SUNSET 6:55 PM PDT  
MARCH 11 2025.........SUNRISE 7:06 AM PDT SUNSET 6:55 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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