099  
CDUS46 KSGX 010940  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
240 AM PDT THU MAY 01 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR APRIL 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 76 2:03 PM 98 2021 79 -3 81  
MINIMUM 52 12:58 AM 38 2003 51 1 52  
AVERAGE 64 65 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 1999 0.01 -0.01 0.00  
MONTH TO DATE 0.26 0.55 -0.29 0.38  
SINCE JUL 1 5.13 9.79 -4.66 20.91  
SINCE OCT 1 5.13 9.64 -4.51 18.16  
SINCE JAN 1 5.03 6.83 -1.80 16.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 118 107 11 136  
SINCE MAR 1 361 302 59 391  
SINCE JUL 1 1312 1355 -43 1380  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 12 43 -31 10  
SINCE MAR 1 21 57 -36 10  
SINCE JAN 1 29 66 -37 10    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 70  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 96 2015  
MINIMUM TEMPERATURE (F) 52 39 2003  
2011  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 6:01 AM PDT SUNSET 7:35 PM PDT  
MAY 2 2025...........SUNRISE 6:00 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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