450  
CDUS46 KSGX 080923  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT FRI AUG 08 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR AUGUST 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 105 1:57 PM 106 2018 96 9 96  
2022  
MINIMUM 60 4:51 AM 53 1999 64 -4 66  
2002  
2011  
AVERAGE 83 80 3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1998 0.00 0.00 0.00  
2001  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE JUL 1 T 0.08 -0.08 0.00  
SINCE OCT 1 5.25 9.91 -4.66 18.21  
SINCE JAN 1 5.15 7.10 -1.95 16.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 2 -2 2  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 15 3 16  
MONTH TO DATE 93 100 -7 124  
SINCE JUN 1 648 756 -108 835  
SINCE JAN 1 827 936 -109 875    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 12 1:00 PM  
AVERAGE 48  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 106 2012  
MINIMUM TEMPERATURE (F) 64 51 1999  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 6:07 AM PDT SUNSET 7:44 PM PDT  
AUGUST 9 2025........SUNRISE 6:08 AM PDT SUNSET 7:43 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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