AFOS product CLIAPC
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CDUS46 KMTR 220826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST THU FEB 22 2018


................................... 

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 21 2018...

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)                                                     
 YESTERDAY                                                           
  MAXIMUM         55    355 PM  70    2014  61     -6       61       
                                      2002                          
  MINIMUM         30R   225 AM  30    2013  39     -9       46       
                                      2006                          
  AVERAGE         43                        50     -7       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.22    
  MONTH TO DATE    0.00                                      8.93    
  SINCE OCT 1      6.63                                     29.99    
  SINCE JAN 1      3.60                                     21.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                                        11       
  MONTH TO DATE  308                                       193       
  SINCE DEC 1   1338                                      1244       
  SINCE JUL 1   1866                                      1748       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1100 PM                                     
 LOWEST     30           100 PM                                     
 AVERAGE    61                                                       

..........................................................

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        78      2012                    
 MINIMUM TEMPERATURE (F)   39        28      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 22 2018......SUNRISE   650 AM PST   SUNSET   555 PM PST   
FEBRUARY 23 2018......SUNRISE   649 AM PST   SUNSET   556 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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