786  
CDUS46 KSGX 261721  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
921 AM PST FRI JAN 26 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 24 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 2:51 PM 77 2007 68 -9 66  
2015  
MINIMUM 50 1:08 AM 35 2002 45 5 35  
2023  
AVERAGE 55 56 -1 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 2013 0.07 -0.07 0.00  
MONTH TO DATE 0.78 2.06 -1.28 5.82  
SINCE JUL 1 4.29 5.34 -1.05 11.36  
SINCE OCT 1 2.13 5.16 -3.03 11.06  
SINCE JAN 1 0.78 2.06 -1.28 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 9 1 14  
MONTH TO DATE 286 220 66 323  
SINCE DEC 1 477 524 -47 674  
SINCE JUL 1 570 686 -116 900  
 
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 SE (140)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 67 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 83 2003  
MINIMUM TEMPERATURE (F) 45 35 2017  
 
SUNRISE AND SUNSET  
JANUARY 25 2024.......SUNRISE 6:52 AM PST SUNSET 5:14 PM PST  
JANUARY 26 2024.......SUNRISE 6:52 AM PST SUNSET 5:15 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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