412  
CDUS46 KSGX 080919  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PDT MON SEP 08 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 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 99 1:50 PM 109 2022 95 4 107  
MINIMUM 63 4:31 AM 52 2005 62 1 70  
AVERAGE 81 79 2 89  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1998 0.00 0.00 0.00  
2000  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 T 0.10 -0.10 0.00  
SINCE OCT 1 5.25 9.93 -4.68 18.21  
SINCE JAN 1 5.15 7.12 -1.97 16.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 14 2 24  
MONTH TO DATE 117 98 19 148  
SINCE SEP 1 117 98 19 148  
SINCE JAN 1 1293 1391 -98 1328    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 15 12:00 PM  
AVERAGE 53  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 111 2024  
MINIMUM TEMPERATURE (F) 62 51 2002  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 6:29 AM PDT SUNSET 7:06 PM PDT  
SEPTEMBER 9 2025.....SUNRISE 6:30 AM PDT SUNSET 7:05 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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