165  
CDUS46 KSGX 010929  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT MON SEP 01 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR AUGUST 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 103 1:01 PM 115 2017 97 6 95  
MINIMUM 63 5:40 AM 53 1999 63 0 59  
2010  
AVERAGE 83 80 3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 1998 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE JUL 1 T 0.09 -0.09 0.00  
SINCE OCT 1 5.25 9.92 -4.67 18.21  
SINCE JAN 1 5.15 7.11 -1.96 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 14 4 12  
MONTH TO DATE 442 457 -15 429  
SINCE JUN 1 997 1113 -116 1140  
SINCE JAN 1 1176 1293 -117 1180    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 4:00 AM  
LOWEST 22 1:00 PM  
AVERAGE 48  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 114 2017  
MINIMUM TEMPERATURE (F) 63 53 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:24 AM PDT SUNSET 7:16 PM PDT  
SEPTEMBER 2 2025.....SUNRISE 6:25 AM PDT SUNSET 7:14 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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