241  
CDUS46 KSGX 310922  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
222 AM PDT THU JUL 31 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR JULY 30 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 94 1:16 PM 105 2020 95 -1 93  
MINIMUM 58 3:05 AM 54 1999 64 -6 55  
AVERAGE 76 79 -3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1999 0.01 -0.01 0.00  
2001  
2006  
MONTH TO DATE T 0.08 -0.08 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 11 14 -3 9  
MONTH TO DATE 285 397 -112 443  
SINCE JUN 1 544 641 -97 702  
SINCE JAN 1 723 821 -98 742    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 30 11:00 AM  
AVERAGE 59  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 108 2020  
MINIMUM TEMPERATURE (F) 64 54 2024  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 6:02 AM PDT SUNSET 7:52 PM PDT  
AUGUST 1 2025........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page