745  
CDUS46 KSGX 040947  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
147 AM PST THU JAN 04 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 3 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 59 4:14 PM 82 2012 67 -8 57  
MINIMUM 45 11:56 PM 33 2000 44 1 46  
AVERAGE 52 56 -4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.36 0.58 2005 0.09 0.27 0.12  
MONTH TO DATE 0.36 0.28 0.08 0.18  
SINCE JUL 1 3.87 3.56 0.31 5.72  
SINCE OCT 1 1.71 3.38 -1.67 5.42  
SINCE JAN 1 0.36 0.28 0.08 0.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 10 3 13  
MONTH TO DATE 35 30 5 44  
SINCE DEC 1 226 334 -108 395  
SINCE JUL 1 319 496 -177 621  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 2 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 9:00 AM  
LOWEST 49 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 2012  
MINIMUM TEMPERATURE (F) 44 34 2011  
2013  
 
SUNRISE AND SUNSET  
JANUARY 4 2024.......SUNRISE 6:56 AM PST SUNSET 4:54 PM PST  
JANUARY 5 2024.......SUNRISE 6:57 AM PST SUNSET 4:55 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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