465  
CDUS46 KMTR 250032  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
531 PM PDT TUE APR 24 2018  
 
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 24 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 MM 82 2004 69 -1 65  
MINIMUM 52 700 AM 25 2008 42 10 52  
AVERAGE 60 56 4 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 3.76 3.10  
SINCE OCT 1 15.79 36.84  
SINCE JAN 1 12.76 27.89  
 
DEGREE DAYS  
HEATING  
TODAY 5 6  
MONTH TO DATE 213 194  
SINCE MAR 1 651 459  
SINCE JUL 1 2671 2342  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 68 300 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 2004  
MINIMUM TEMPERATURE (F) 43 32 2009  
 
 
SUNRISE AND SUNSET  
APRIL 24 2018.........SUNRISE 621 AM PDT SUNSET 754 PM PDT  
APRIL 25 2018.........SUNRISE 620 AM PDT SUNSET 755 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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