779  
CDUS46 KSGX 060028  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
528 PM PDT SAT APR 05 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 5 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 80 1:52 PM 93 2016 74 6 57  
MINIMUM 48 3:27 AM 38 1999 50 -2 42  
AVERAGE 64 62 2 50  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 2006 0.03 -0.03 0.10  
MONTH TO DATE 0.00 0.16 -0.16 0.12  
SINCE JUL 1 5.61 10.72 -5.11 19.21  
SINCE OCT 1 5.61 10.54 -4.93 17.05  
SINCE JAN 1 5.46 7.44 -1.98 15.70  
 
DEGREE DAYS  
HEATING  
TODAY 1 4 -3 15  
MONTH TO DATE 31 20 11 37  
SINCE MAR 1 268 192 76 293  
SINCE JUL 1 1026 1166 -140 1181  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE MAR 1 13 28 -15 0  
SINCE JAN 1 32 41 -9 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 4:00 AM  
LOWEST 9 2:00 PM  
AVERAGE 35  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 2016  
MINIMUM TEMPERATURE (F) 50 40 2023  
 
SUNRISE AND SUNSET  
APRIL 5 2025.........SUNRISE 6:32 AM PDT SUNSET 7:15 PM PDT  
APRIL 6 2025.........SUNRISE 6:31 AM PDT SUNSET 7:15 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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