379  
CDUS46 KSGX 170019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
519 PM PDT MON MAR 16 2026  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 16 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 94R 3:18 PM 92 2004 72 22 71  
2014  
MINIMUM 56 5:14 AM 36 2021 49 7 43  
AVERAGE 75 60 15 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.77 2003 0.05 -0.05 0.00  
MONTH TO DATE T 1.05 -1.05 1.64  
SINCE JUL 1 11.10 9.97 1.13 5.56  
SINCE OCT 1 10.98 9.79 1.19 5.56  
SINCE JAN 1 3.96 6.69 -2.73 5.41  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 8  
MONTH TO DATE 18 99 -81 175  
SINCE MAR 1 18 99 -81 175  
SINCE JUL 1 582 1073 -491 933  
 
COOLING  
TODAY 10 1 9 0  
MONTH TO DATE 56 11 45 0  
SINCE MAR 1 56 11 45 0  
SINCE JAN 1 99 24 75 19    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 12 2:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2004  
MINIMUM TEMPERATURE (F) 49 36 2002  
 
SUNRISE AND SUNSET  
MARCH 16 2026.........SUNRISE 6:59 AM PDT SUNSET 6:59 PM PDT  
MARCH 17 2026.........SUNRISE 6:58 AM PDT SUNSET 7:00 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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