783  
CDUS46 KSGX 220942  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
142 AM PST MON JAN 22 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 21 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 62 2:24 PM 82 2013 68 -6 63  
MINIMUM 52 4:41 AM 33 2006 45 7 35  
AVERAGE 57 56 1 49  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.25 2010 0.08 MM 0.00  
MONTH TO DATE 0.44 1.83 -1.39 5.82  
SINCE JUL 1 3.95 5.11 -1.16 11.36  
SINCE OCT 1 1.79 4.93 -3.14 11.06  
SINCE JAN 1 0.44 1.83 -1.39 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 9 -1 16  
MONTH TO DATE 260 193 67 279  
SINCE DEC 1 451 497 -46 630  
SINCE JUL 1 544 659 -115 856  
 
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 W (260)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 81 2013  
MINIMUM TEMPERATURE (F) 45 36 2013  
2018  
2023  
 
SUNRISE AND SUNSET  
JANUARY 22 2024.......SUNRISE 6:54 AM PST SUNSET 5:11 PM PST  
JANUARY 23 2024.......SUNRISE 6:53 AM PST SUNSET 5:12 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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