652  
CDUS46 KSGX 170924  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
224 AM PDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR MAY 16 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 79 1:44 PM 101 2014 81 -2 70  
MINIMUM 52 4:04 AM 41 2011 55 -3 56  
AVERAGE 66 68 -2 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 2019 0.00 0.00 0.00  
MONTH TO DATE 0.12 0.11 0.01 0.05  
SINCE JUL 1 5.25 9.90 -4.65 20.96  
SINCE OCT 1 5.25 9.75 -4.50 18.21  
SINCE JAN 1 5.15 6.94 -1.79 16.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 21 22 -1 24  
SINCE MAR 1 382 324 58 415  
SINCE JUL 1 1333 1377 -44 1404  
 
COOLING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 58 49 9 15  
SINCE MAR 1 79 106 -27 25  
SINCE JAN 1 87 115 -28 25    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 103 2008  
MINIMUM TEMPERATURE (F) 55 45 2000  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:48 AM PDT SUNSET 7:47 PM PDT  
MAY 18 2025...........SUNRISE 5:47 AM PDT SUNSET 7:48 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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