AFOS product CLIAPC
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037 
CDUS46 KMTR 161224 CCA
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT TUE MAY 15 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 14 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         65    228 PM  95    2008  72     -7       69
  MINIMUM         52    515 AM  39    2017  45      7       39
  AVERAGE         59                        59      0       54

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                       T
  SINCE OCT 1     15.79                                     36.85
  SINCE JAN 1     12.76                                     27.90

DEGREE DAYS
 HEATING
  YESTERDAY        6                                        11
  MONTH TO DATE   65                                        55
  SINCE MAR 1    767                                       534
  SINCE JUL 1   2787                                      2417

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    2                                        21
  SINCE MAR 1      2                                        23
  SINCE JAN 1      2                                        23
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     63           100 PM
 AVERAGE    73

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72       101      2008
 MINIMUM TEMPERATURE (F)   45        34      1999


SUNRISE AND SUNSET
MAY 15 2018...........SUNRISE   558 AM PDT   SUNSET   813 PM PDT
MAY 16 2018...........SUNRISE   557 AM PDT   SUNSET   814 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
742 
CDUS46 KMTR 150845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT TUE MAY 15 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 14 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         65    228 PM  95    2008  72     -7       69       
  MINIMUM         52    515 AM  39    2017  45      7       39       
  AVERAGE         59                        59      0       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    T                                          T      
  SINCE OCT 1     15.79                                     36.85    
  SINCE JAN 1     12.76                                     27.90    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                        11       
  MONTH TO DATE   65                                        55       
  SINCE MAR 1    767                                       534       
  SINCE JUL 1   2787                                      2417       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    2                                        21       
  SINCE MAR 1      2                                        23       
  SINCE JAN 1      2                                        23       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    13.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1200 AM                                     
 LOWEST     63           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72       101      2008                    
 MINIMUM TEMPERATURE (F)   45        34      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 15 2018...........SUNRISE   558 AM PDT   SUNSET   813 PM PDT   
MAY 16 2018...........SUNRISE   557 AM PDT   SUNSET   814 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$