219  
CDUS46 KSGX 101018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
218 AM PST MON FEB 10 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR FEBRUARY 9 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 73 1:33 PM 88 2016 68 5 57  
MINIMUM 45 7:13 AM 36 2013 46 -1 45  
AVERAGE 59 57 2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 2009 0.10 -0.10 T  
MONTH TO DATE 0.76 0.83 -0.07 8.00  
SINCE JUL 1 1.60 6.68 -5.08 12.29  
SINCE OCT 1 1.60 6.50 -4.90 10.13  
SINCE JAN 1 1.45 3.40 -1.95 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 9 -3 14  
MONTH TO DATE 50 81 -31 125  
SINCE DEC 1 514 665 -151 622  
SINCE JUL 1 665 827 -162 715  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 6 7 -1 2  
SINCE JAN 1 1 5 -4 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1:00 AM  
LOWEST 19 3:00 PM  
AVERAGE 53  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 2016  
MINIMUM TEMPERATURE (F) 46 33 1979  
2009  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2025......SUNRISE 6:40 AM PST SUNSET 5:30 PM PST  
FEBRUARY 11 2025......SUNRISE 6:39 AM PST SUNSET 5:31 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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