AFOS product CLIAPC
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397 
CDUS46 KMTR 190844
CLIAPC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT SUN APR 19 2020

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 18 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1998 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         65   2:37 PM  83    2016  69     -4       80        
  MINIMUM         45  11:37 PM  33    2005  42      3       45        
  AVERAGE         55                        55      0       63     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00                                      0.00     
  MONTH TO DATE    0.65                                      0.29     
  SINCE OCT 1      8.58                                     23.07     
  SINCE JAN 1      2.84                                     19.87     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       10                                         2        
  MONTH TO DATE  199                                       136        
  SINCE MAR 1    616                                       524        
  SINCE JUL 1   2606                                      2483        

 COOLING                                                              
  YESTERDAY        0                                         0        
  MONTH TO DATE    0                                         0        
  SINCE MAR 1      0                                         0        
  SINCE JAN 1      0                                         0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (270)       
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (230)       
  AVERAGE WIND SPEED     9.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          10:00 PM                                      
 LOWEST     54           3:00 PM                                      
 AVERAGE    70                                                        

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        87      2009                      
 MINIMUM TEMPERATURE (F)   42        33      2007                      


SUNRISE AND SUNSET                                                    
APRIL 19 2020.........SUNRISE   6:27 AM PDT   SUNSET   7:50 PM PDT     
APRIL 20 2020.........SUNRISE   6:26 AM PDT   SUNSET   7:51 PM PDT     


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




$$