708  
CDUS46 KSGX 060925  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
225 AM PDT SUN APR 06 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR APRIL 5 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 89 1:52 PM 93 2016 74 15 57  
MINIMUM 48 3:27 AM 38 1999 50 -2 42  
AVERAGE 69 62 7 50  
 
PRECIPITATION (IN)  
YESTERDAY T 0.60 2006 0.03 -0.03 0.10  
MONTH TO DATE T 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  
YESTERDAY 0 4 -4 15  
MONTH TO DATE 30 20 10 37  
SINCE MAR 1 267 192 75 293  
SINCE JUL 1 1025 1166 -141 1181  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 4 5 -1 0  
SINCE MAR 1 17 28 -11 0  
SINCE JAN 1 36 41 -5 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 4:00 AM  
LOWEST 9 2:00 PM  
AVERAGE 35  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 2016  
MINIMUM TEMPERATURE (F) 50 40 2023  
 
SUNRISE AND SUNSET  
APRIL 6 2025.........SUNRISE 6:31 AM PDT SUNSET 7:15 PM PDT  
APRIL 7 2025.........SUNRISE 6:29 AM PDT SUNSET 7:16 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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