195  
CDUS46 KSGX 140922  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
222 AM PDT FRI MAR 14 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 13 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 55 3:31 PM 92 2017 71 -16 67  
MINIMUM 44 11:57 AM 37 2006 49 -5 51  
AVERAGE 50 60 -10 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.83R 0.25 2020 0.05 0.78 0.00  
MONTH TO DATE 1.56 0.91 0.65 1.49  
SINCE JUL 1 5.48 9.83 -4.35 17.09  
SINCE OCT 1 5.48 9.65 -4.17 14.93  
SINCE JAN 1 5.33 6.55 -1.22 13.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 6 9 6  
MONTH TO DATE 135 81 54 118  
SINCE MAR 1 135 81 54 118  
SINCE JUL 1 893 1055 -162 1006  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 0  
SINCE MAR 1 0 8 -8 0  
SINCE JAN 1 19 21 -2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 2013  
MINIMUM TEMPERATURE (F) 49 37 2002  
 
SUNRISE AND SUNSET  
MARCH 14 2025.........SUNRISE 7:02 AM PDT SUNSET 6:58 PM PDT  
MARCH 15 2025.........SUNRISE 7:00 AM PDT SUNSET 6:59 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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