642  
CDUS46 KSGX 180918  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
218 AM PDT MON MAR 18 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 2:53 PM 92 2004 72 -1 69  
MINIMUM 45 4:20 AM 36 2002 49 -4 44  
AVERAGE 58 60 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 2012 0.03 -0.03 0.00  
MONTH TO DATE 1.49 1.08 0.41 5.09  
SINCE JUL 1 17.09 10.00 7.09 20.22  
SINCE OCT 1 14.93 9.82 5.11 19.92  
SINCE JAN 1 13.58 6.72 6.86 14.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6 1 8  
MONTH TO DATE 149 105 44 205  
SINCE MAR 1 149 105 44 205  
SINCE JUL 1 1037 1079 -42 1566  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 12 -12 0  
SINCE MAR 1 0 12 -12 0  
SINCE JAN 1 0 25 -25 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 6:00 AM  
LOWEST 32 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 86 2009  
MINIMUM TEMPERATURE (F) 49 39 2012  
 
SUNRISE AND SUNSET  
MARCH 18 2024.........SUNRISE 6:56 AM PDT SUNSET 7:01 PM PDT  
MARCH 19 2024.........SUNRISE 6:55 AM PDT SUNSET 7:02 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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