706  
CDUS46 KSGX 130026  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
526 PM PDT MON APR 12 2021  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 12 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1998 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 3:23 PM 93 2008 73 -1 60  
MINIMUM 55 6:04 AM 44 2009 50 5 53  
AVERAGE 64 62 2 57  
 
PRECIPITATION (IN)  
TODAY T 0.70 2010 0.03 -0.03 0.01  
MONTH TO DATE T 0.36 -0.36 3.43  
SINCE JUL 1 6.05 14.04 -7.99 14.07  
SINCE OCT 1 6.05 13.55 -7.50 14.07  
SINCE JAN 1 3.90 9.38 -5.48 7.49  
 
DEGREE DAYS  
HEATING  
TODAY 1 5 -4 8  
MONTH TO DATE 2 61 -59 96  
SINCE MAR 1 263 273 -10 329  
SINCE JUL 1 1143 1430 -287 1214  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 26 11 15 0  
SINCE MAR 1 44 23 21 1  
SINCE JAN 1 62 29 33 10    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 96 2008  
MINIMUM TEMPERATURE (F) 50 44 2012  
 
SUNRISE AND SUNSET  
APRIL 12 2021.........SUNRISE 6:23 AM PDT SUNSET 7:20 PM PDT  
APRIL 13 2021.........SUNRISE 6:22 AM PDT SUNSET 7:21 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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