134  
CDUS46 KMTR 140038  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT MON JUL 13 2020  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 13 2020
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1998 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 1:47 PM 96 2009 78 -6 76  
MINIMUM 58 5:30 AM 47 2009 53 5 56  
AVERAGE 65 66 -1 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 T  
SINCE OCT 1 9.45 25.85  
SINCE JAN 1 3.71 22.65  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 4 6  
SINCE JUN 1 18 45  
SINCE JUL 1 4 6  
 
COOLING  
TODAY 0 1  
MONTH TO DATE 37 17  
SINCE JUN 1 105 85  
SINCE JAN 1 145 91    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 57 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 2009  
MINIMUM TEMPERATURE (F) 53 47 2011  
 
SUNRISE AND SUNSET  
JULY 13 2020..........SUNRISE 5:57 AM PDT SUNSET 8:33 PM PDT  
JULY 14 2020..........SUNRISE 5:58 AM PDT SUNSET 8:32 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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