124  
CDUS46 KSGX 301024  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
224 AM PST MON DEC 30 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 29 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 1:51 PM 84 2017 67 2 69  
MINIMUM 43 6:17 AM 32 2015 44 -1 48  
AVERAGE 56 55 1 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 2004 0.08 -0.08 0.00  
MONTH TO DATE T 1.75 -1.75 0.83  
SINCE JUL 1 0.15 3.14 -2.99 3.36  
SINCE OCT 1 0.15 2.96 -2.81 1.20  
SINCE JAN 1 16.44 11.50 4.94 21.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10 -1 6  
MONTH TO DATE 178 281 -103 171  
SINCE DEC 1 178 281 -103 171  
SINCE JUL 1 329 443 -114 264  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 2  
SINCE DEC 1 5 0 5 2  
SINCE JAN 1 2032 1967 65 1695    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 PM  
LOWEST 45 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 79 1998  
MINIMUM TEMPERATURE (F) 44 34 2010  
 
SUNRISE AND SUNSET  
DECEMBER 30 2024......SUNRISE 6:56 AM PST SUNSET 4:51 PM PST  
DECEMBER 31 2024......SUNRISE 6:56 AM PST SUNSET 4:52 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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