AFOS product CLIAPC
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894 
CDUS46 KMTR 161221 CCA
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED MAY 16 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 15 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         68    251 PM 101    2008  72     -4       73
  MINIMUM         53   1159 PM  34    1999  45      8       40
  AVERAGE         61                        59      2       57

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        4                                         8
  MONTH TO DATE   69                                        63
  SINCE MAR 1    771                                       542
  SINCE JUL 1   2791                                      2425

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


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1100 PM
 LOWEST     52           300 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        95      2009
 MINIMUM TEMPERATURE (F)   46        37      1999


SUNRISE AND SUNSET
MAY 16 2018...........SUNRISE   557 AM PDT   SUNSET   814 PM PDT
MAY 17 2018...........SUNRISE   556 AM PDT   SUNSET   815 PM PDT


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




$$
520 
CDUS46 KMTR 160828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT WED MAY 16 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 15 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         68    251 PM 101    2008  72     -4       73       
  MINIMUM         53   1159 PM  34    1999  45      8       40       
  AVERAGE         61                        59      2       57      
                                                                     
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        4                                         8       
  MONTH TO DATE   69                                        63       
  SINCE MAR 1    771                                       542       
  SINCE JUL 1   2791                                      2425       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    2                                        21       
  SINCE MAR 1      2                                        23       
  SINCE JAN 1      2                                        23       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    12.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1100 PM                                     
 LOWEST     52           300 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        95      2009                    
 MINIMUM TEMPERATURE (F)   46        37      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2018...........SUNRISE   557 AM PDT   SUNSET   814 PM PDT   
MAY 17 2018...........SUNRISE   556 AM PDT   SUNSET   815 PM PDT   

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




$$