315  
CDUS46 KSGX 250033  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
433 PM PST TUE DEC 24 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 24 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 59 10:35 AM 86 2005 66 -7 65  
MINIMUM 49 4:49 AM 29 1998 43 6 48  
AVERAGE 54 55 -1 57  
 
PRECIPITATION (IN)  
TODAY T 0.78 2021 0.06 -0.06 0.00  
MONTH TO DATE T 1.39 -1.39 0.83  
SINCE JUL 1 0.15 2.78 -2.63 3.36  
SINCE OCT 1 0.15 2.60 -2.45 1.20  
SINCE JAN 1 16.44 11.14 5.30 21.60  
 
DEGREE DAYS  
HEATING  
TODAY 11 10 1 8  
MONTH TO DATE 129 231 -102 136  
SINCE DEC 1 129 231 -102 136  
SINCE JUL 1 280 393 -113 229  
 
COOLING  
TODAY 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 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 PM  
LOWEST 64 12:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 82 2013  
MINIMUM TEMPERATURE (F) 43 31 1998  
2016  
 
SUNRISE AND SUNSET  
DECEMBER 24 2024......SUNRISE 6:54 AM PST SUNSET 4:47 PM PST  
DECEMBER 25 2024......SUNRISE 6:54 AM PST SUNSET 4:48 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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