293  
CDUS46 KSGX 010930  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
230 AM PDT FRI AUG 01 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR JULY 31 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 95 2:09 PM 108 2020 95 0 94  
MINIMUM 57 4:55 AM 54 2024 64 -7 54  
AVERAGE 76 79 -3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 2011 0.00 0.00 0.00  
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 296 412 -116 452  
SINCE JUN 1 555 656 -101 711  
SINCE JAN 1 734 836 -102 751    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 57  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 107 2017  
MINIMUM TEMPERATURE (F) 64 53 1999  
 
SUNRISE AND SUNSET  
AUGUST 1 2025........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT  
AUGUST 2 2025........SUNRISE 6:03 AM PDT SUNSET 7:50 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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