136  
CDUS46 KSGX 261720  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
920 AM PST FRI JAN 26 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 23 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 65 2:52 PM 80 2013 68 -3 61  
2014  
MINIMUM 50 11:30 PM 36 2002 45 5 43  
AVERAGE 58 56 2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 2017 0.08 -0.08 0.00  
MONTH TO DATE 0.78 1.99 -1.21 5.82  
SINCE JUL 1 4.29 5.27 -0.98 11.36  
SINCE OCT 1 2.13 5.09 -2.96 11.06  
SINCE JAN 1 0.78 1.99 -1.21 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 13  
MONTH TO DATE 276 211 65 309  
SINCE DEC 1 467 515 -48 660  
SINCE JUL 1 560 677 -117 886  
 
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 SW (230)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 77 2007  
2015  
MINIMUM TEMPERATURE (F) 45 35 2002  
2023  
 
SUNRISE AND SUNSET  
JANUARY 24 2024.......SUNRISE 6:53 AM PST SUNSET 5:13 PM PST  
JANUARY 25 2024.......SUNRISE 6:52 AM PST SUNSET 5:14 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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