697  
CDUS46 KSGX 150905  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
105 AM PST WED JAN 15 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 14 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 3:49 PM 87 2021 68 -1 59  
MINIMUM 47 4:19 AM 25 1962 45 2 39  
2007  
AVERAGE 57 56 1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 2023 0.09 -0.09 0.00  
MONTH TO DATE T 1.24 -1.24 0.44  
SINCE JUL 1 0.15 4.52 -4.37 3.95  
SINCE OCT 1 0.15 4.34 -4.19 1.79  
SINCE JAN 1 T 1.24 -1.24 0.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 9 -1 16  
MONTH TO DATE 88 130 -42 202  
SINCE DEC 1 284 434 -150 393  
SINCE JUL 1 435 596 -161 486  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE DEC 1 6 2 4 2  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 22 10:00 PM  
LOWEST 12 4:00 PM  
AVERAGE 17  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 2021  
MINIMUM TEMPERATURE (F) 45 31 2013  
 
SUNRISE AND SUNSET  
JANUARY 15 2025.......SUNRISE 6:56 AM PST SUNSET 5:05 PM PST  
JANUARY 16 2025.......SUNRISE 6:55 AM PST SUNSET 5:06 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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