419  
CDUS46 KSGX 281030  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PST SAT DEC 28 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 27 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 60 3:34 PM 81 2013 67 -7 67  
MINIMUM 47 6:43 AM 32 2003 44 3 47  
AVERAGE 54 55 -1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 2021 0.08 -0.08 0.00  
MONTH TO DATE T 1.60 -1.60 0.83  
SINCE JUL 1 0.15 2.99 -2.84 3.36  
SINCE OCT 1 0.15 2.81 -2.66 1.20  
SINCE JAN 1 16.44 11.35 5.09 21.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 10 1 8  
MONTH TO DATE 160 261 -101 159  
SINCE DEC 1 160 261 -101 159  
SINCE JUL 1 311 423 -112 252  
 
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 1 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 1.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 72 11:00 AM  
AVERAGE 83  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2017  
MINIMUM TEMPERATURE (F) 44 31 2003  
2015  
 
SUNRISE AND SUNSET  
DECEMBER 28 2024......SUNRISE 6:55 AM PST SUNSET 4:50 PM PST  
DECEMBER 29 2024......SUNRISE 6:55 AM PST SUNSET 4:50 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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