AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
684 
CDUS46 KMTR 230835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1235 AM PST FRI FEB 23 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 22 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         52    342 PM  78    2012  61     -9       58       
  MINIMUM         28R   434 AM  28    2013  39    -11       37       
  AVERAGE         40                        50    -10       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03                                       T      
  MONTH TO DATE    0.03                                      8.93    
  SINCE OCT 1      6.66                                     29.99    
  SINCE JAN 1      3.63                                     21.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                                        17       
  MONTH TO DATE  333                                       210       
  SINCE DEC 1   1363                                      1261       
  SINCE JUL 1   1891                                      1765       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           100 AM                                     
 LOWEST     44          1100 AM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        78      2012                    
 MINIMUM TEMPERATURE (F)   39        32      2017                    
                                             2011                    
                                             2004                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 23 2018......SUNRISE   649 AM PST   SUNSET   556 PM PST   
FEBRUARY 24 2018......SUNRISE   648 AM PST   SUNSET   557 PM PST   

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




$$