797  
CDUS46 KSGX 301054  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
354 AM PDT WED APR 30 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR APRIL 29 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 81 1:12 PM 99 2015 79 2 82  
MINIMUM 47 4:24 AM 38 1999 51 -4 49  
AVERAGE 64 65 -1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.26 0.54 -0.28 0.38  
SINCE JUL 1 5.13 9.78 -4.65 20.91  
SINCE OCT 1 5.13 9.63 -4.50 18.16  
SINCE JAN 1 5.03 6.82 -1.79 16.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 117 105 12 136  
SINCE MAR 1 360 300 60 391  
SINCE JUL 1 1311 1353 -42 1380  
 
COOLING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 12 41 -29 8  
SINCE MAR 1 21 55 -34 8  
SINCE JAN 1 29 64 -35 8    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 63  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 2021  
MINIMUM TEMPERATURE (F) 51 38 2003  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 6:02 AM PDT SUNSET 7:34 PM PDT  
MAY 1 2025...........SUNRISE 6:01 AM PDT SUNSET 7:35 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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