200  
CDUS46 KSGX 081028  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
228 AM PST SAT MAR 08 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR MARCH 7 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 60 1:33 PM 88 2004 71 -11 61  
MINIMUM 42 5:57 AM 38 2017 48 -6 46  
AVERAGE 51 59 -8 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.44 2024 0.07 -0.03 0.44  
MONTH TO DATE 0.65 0.55 0.10 1.49  
SINCE JUL 1 4.57 9.47 -4.90 17.09  
SINCE OCT 1 4.57 9.29 -4.72 14.93  
SINCE JAN 1 4.42 6.19 -1.77 13.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 6 8 11  
MONTH TO DATE 82 45 37 69  
SINCE MAR 1 82 45 37 69  
SINCE JUL 1 840 1019 -179 957  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 19 15 4 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 33 2:00 PM  
AVERAGE 63  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2004  
MINIMUM TEMPERATURE (F) 48 39 2016  
 
SUNRISE AND SUNSET  
MARCH 8 2025.........SUNRISE 6:10 AM PST SUNSET 5:53 PM PST  
MARCH 9 2025.........SUNRISE 7:08 AM PDT SUNSET 6:54 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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