493  
CDUS46 KSGX 070931  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
131 AM PST FRI MAR 07 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 6 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 55 MM 86 2007 70 -15 62  
MINIMUM 45 MM 36 2017 48 -3 49  
AVERAGE 50 59 -9 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.24 2019 0.08 0.08 0.52  
MONTH TO DATE 0.61 0.48 0.13 1.05  
SINCE JUL 1 4.53 9.40 -4.87 16.65  
SINCE OCT 1 4.53 9.22 -4.69 14.49  
SINCE JAN 1 4.38 6.12 -1.74 13.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 6 9 9  
MONTH TO DATE 68 39 29 58  
SINCE MAR 1 68 39 29 58  
SINCE JUL 1 826 1013 -187 946  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 19 14 5 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 53 6:00 AM  
AVERAGE 73  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 2004  
MINIMUM TEMPERATURE (F) 48 38 2017  
 
SUNRISE AND SUNSET  
MARCH 7 2025.........SUNRISE 6:11 AM PST SUNSET 5:52 PM PST  
MARCH 8 2025.........SUNRISE 6:10 AM PST SUNSET 5:53 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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