937  
CDUS46 KSGX 200920  
CLICNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT TUE MAY 20 2025  
   
...............................  
 
   
..THE CHINO AIRPORT CA CLIMATE SUMMARY FOR MAY 19 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 90 1:53 PM 98 2008 81 9 77  
MINIMUM 51 5:20 AM 44 2011 55 -4 53  
AVERAGE 71 68 3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.12 0.13 -0.01 0.05  
SINCE JUL 1 5.25 9.92 -4.67 20.96  
SINCE OCT 1 5.25 9.77 -4.52 18.21  
SINCE JAN 1 5.15 6.96 -1.81 16.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 23 25 -2 26  
SINCE MAR 1 384 327 57 417  
SINCE JUL 1 1335 1380 -45 1406  
 
COOLING  
YESTERDAY 6 4 2 0  
MONTH TO DATE 65 61 4 15  
SINCE MAR 1 86 118 -32 25  
SINCE JAN 1 94 127 -33 25    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 57  
   
......................................................  
 
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 2017  
MINIMUM TEMPERATURE (F) 55 48 2019  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 5:46 AM PDT SUNSET 7:49 PM PDT  
MAY 21 2025...........SUNRISE 5:45 AM PDT SUNSET 7:50 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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