699  
CDUS46 KSGX 201032  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
232 AM PST SAT JAN 20 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 19 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 69 3:49 PM 83 2005 68 1 57  
MINIMUM 49 6:11 AM 34 2002 45 4 38  
AVERAGE 59 56 3 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 2010 0.08 -0.08 T  
MONTH TO DATE 0.44 1.66 -1.22 5.82  
SINCE JUL 1 3.95 4.94 -0.99 11.36  
SINCE OCT 1 1.79 4.76 -2.97 11.06  
SINCE JAN 1 0.44 1.66 -1.22 5.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 9 -3 17  
MONTH TO DATE 243 175 68 245  
SINCE DEC 1 434 479 -45 596  
SINCE JUL 1 527 641 -114 822  
 
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 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 2014  
MINIMUM TEMPERATURE (F) 45 33 1984  
2002  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 6:54 AM PST SUNSET 5:09 PM PST  
JANUARY 21 2024.......SUNRISE 6:54 AM PST SUNSET 5:10 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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