736  
CDUS46 KSGX 130936  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
236 AM PDT THU MAR 13 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 12 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 63 1:48 PM 93 2007 71 -8 59  
MINIMUM 51 5:51 AM 33 2006 49 2 51  
AVERAGE 57 60 -3 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.59 2020 0.05 -0.01 0.00  
MONTH TO DATE 0.73 0.86 -0.13 1.49  
SINCE JUL 1 4.65 9.78 -5.13 17.09  
SINCE OCT 1 4.65 9.60 -4.95 14.93  
SINCE JAN 1 4.50 6.50 -2.00 13.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 6 2 10  
MONTH TO DATE 120 75 45 112  
SINCE MAR 1 120 75 45 112  
SINCE JUL 1 878 1049 -171 1000  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 7 -7 0  
SINCE MAR 1 0 7 -7 0  
SINCE JAN 1 19 20 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2017  
MINIMUM TEMPERATURE (F) 49 37 2006  
 
SUNRISE AND SUNSET  
MARCH 13 2025.........SUNRISE 7:03 AM PDT SUNSET 6:57 PM PDT  
MARCH 14 2025.........SUNRISE 7:02 AM PDT SUNSET 6:58 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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