600  
CDUS46 KSGX 091024  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
324 AM PDT SUN MAR 09 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 8 2025
 
 
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)  
YESTERDAY  
MAXIMUM 68 4:51 PM 90 2004 71 -3 69  
MINIMUM 39R 4:59 AM 39 2016 48 -9 43  
AVERAGE 54 60 -6 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 2013 0.07 -0.07 0.00  
MONTH TO DATE 0.65 0.62 0.03 1.49  
SINCE JUL 1 4.57 9.54 -4.97 17.09  
SINCE OCT 1 4.57 9.36 -4.79 14.93  
SINCE JAN 1 4.42 6.26 -1.84 13.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 6 5 9  
MONTH TO DATE 93 51 42 78  
SINCE MAR 1 93 51 42 78  
SINCE JUL 1 851 1025 -174 966  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 0 3 -3 0  
SINCE JAN 1 19 16 3 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 21 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 2004  
MINIMUM TEMPERATURE (F) 48 41 2002  
 
SUNRISE AND SUNSET  
MARCH 9 2025.........SUNRISE 7:08 AM PDT SUNSET 6:54 PM PDT  
MARCH 10 2025.........SUNRISE 7:07 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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