332  
CDUS46 KSGX 031023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PST WED JAN 03 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 2 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 64 3:14 PM 84 2012 67 -3 55  
MINIMUM 42 2:12 AM 30 2015 44 -2 40  
AVERAGE 53 55 -2 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 2006 0.10 -0.10 0.04  
MONTH TO DATE 0.00 0.19 -0.19 0.06  
SINCE JUL 1 3.51 3.47 0.04 5.60  
SINCE OCT 1 1.35 3.29 -1.94 5.30  
SINCE JAN 1 0.00 0.19 -0.19 0.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 10 2 17  
MONTH TO DATE 22 20 2 31  
SINCE DEC 1 213 324 -111 382  
SINCE JUL 1 306 486 -180 608  
 
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 1 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 38 11:00 AM  
AVERAGE 62  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 82 2012  
MINIMUM TEMPERATURE (F) 44 33 2000  
 
SUNRISE AND SUNSET  
JANUARY 3 2024.......SUNRISE 6:56 AM PST SUNSET 4:54 PM PST  
JANUARY 4 2024.......SUNRISE 6:56 AM PST SUNSET 4:54 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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