237  
CDUS46 KMTR 290827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON APR 29 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 28 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 2:11 PM 84 2021 70 3 76  
MINIMUM 42 5:18 AM 32 1999 45 -3 50  
AVERAGE 58 58 0 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.96 0.14  
SINCE OCT 1 19.19 28.79  
SINCE JAN 1 13.15 20.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 2  
MONTH TO DATE 245 242  
SINCE MAR 1 616 670  
SINCE JUL 1 2264 2700  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 3  
SINCE MAR 1 0 3  
SINCE JAN 1 0 3    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2013  
MINIMUM TEMPERATURE (F) 45 32 2009  
 
SUNRISE AND SUNSET  
APRIL 29 2024.........SUNRISE 6:14 AM PDT SUNSET 7:59 PM PDT  
APRIL 30 2024.........SUNRISE 6:13 AM PDT SUNSET 8:00 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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