AFOS product CLIAPC
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CDUS46 KMTR 020845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST FRI MAR 2 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 1 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         59    142 PM  71    2013  62     -3       64       
  MINIMUM         44   1159 PM  32    2001  40      4       35       
  AVERAGE         52                        51      1       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.38                                      0.00    
  MONTH TO DATE    1.38                                      0.00    
  SINCE OCT 1      8.22                                     29.99    
  SINCE JAN 1      5.19                                     21.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                                        15       
  MONTH TO DATE   13                                        15       
  SINCE MAR 1     13                                        15       
  SINCE JUL 1   2033                                      1898       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED    15.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           800 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        71      2013                    
 MINIMUM TEMPERATURE (F)   40        30      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  2 2018.........SUNRISE   639 AM PST   SUNSET   604 PM PST   
MARCH  3 2018.........SUNRISE   638 AM PST   SUNSET   605 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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