AFOS product CLISFO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
529 
CDUS46 KMTR 160833
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
133 AM PDT THU APR 16 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 15 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    126 PM  83    1966  65      4       65       
  MINIMUM         48    332 AM  38    1975  49     -1       52       
                                      1955                          
  AVERAGE         59                        57      2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.02 1978   0.04  -0.04     0.00    
  MONTH TO DATE    0.87                      0.78   0.09     1.20    
  SINCE OCT 1     15.90                     19.35  -3.45     8.16    
  SINCE JAN 1      2.94                     11.99  -9.05     6.90    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                         8     -2        6       
  MONTH TO DATE  103                       133    -30       87       
  SINCE MAR 1    247                       447   -200      263       
  SINCE JUL 1   1194                      2253  -1059     1808       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        6       
  SINCE MAR 1      6                         1      5        6       
  SINCE JAN 1      6                         1      5        6       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           200 AM                                     
 LOWEST     29          1200 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        81      1999                    
 MINIMUM TEMPERATURE (F)   49        40      1975                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 16 2015.........SUNRISE   633 AM PDT   SUNSET   746 PM PDT   
APRIL 17 2015.........SUNRISE   632 AM PDT   SUNSET   747 PM PDT   

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




$$