495  
CDUS46 KSGX 171016  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
216 AM PST MON FEB 17 2025  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR FEBRUARY 16 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 74 3:52 PM 90 2016 68 6 69  
MINIMUM 45 4:05 AM 35 2023 46 -1 51  
AVERAGE 60 57 3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 2009 0.12 -0.12 0.00  
MONTH TO DATE 3.08 1.64 1.44 8.00  
SINCE JUL 1 3.92 7.49 -3.57 12.29  
SINCE OCT 1 3.92 7.31 -3.39 10.13  
SINCE JAN 1 3.77 4.21 -0.44 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 8 -3 5  
MONTH TO DATE 124 138 -14 203  
SINCE DEC 1 588 722 -134 700  
SINCE JUL 1 739 884 -145 793  
 
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 1 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.2  
 
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 71 1:00 AM  
LOWEST 16 2:00 PM  
AVERAGE 44  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 2007  
MINIMUM TEMPERATURE (F) 46 39 2011  
2019  
 
SUNRISE AND SUNSET  
FEBRUARY 17 2025......SUNRISE 6:33 AM PST SUNSET 5:37 PM PST  
FEBRUARY 18 2025......SUNRISE 6:32 AM PST SUNSET 5:38 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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