991  
CDUS46 KMTR 290830  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST MON JAN 29 2024  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 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 71R 3:00 PM 68 2014 58 13 58  
MINIMUM 50 11:34 PM 27 1999 39 11 35  
2012  
AVERAGE 61 48 13 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 3.19 8.78  
SINCE OCT 1 9.23 17.20  
SINCE JAN 1 3.19 8.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 18  
MONTH TO DATE 416 374  
SINCE DEC 1 827 924  
SINCE JUL 1 1233 1524  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 11:00 PM  
LOWEST 63 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 65 2012  
2015  
2020  
MINIMUM TEMPERATURE (F) 39 28 2002  
 
SUNRISE AND SUNSET  
JANUARY 29 2024.......SUNRISE 7:17 AM PST SUNSET 5:28 PM PST  
JANUARY 30 2024.......SUNRISE 7:16 AM PST SUNSET 5:29 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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