816 
CDAK48 PAFC 211250
CLIANC


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK                               
449 AM AKDT THU SEP 21 2017


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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR SEPTEMBER 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1952 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         58        MM  66    1995  54      4       58        
  MINIMUM         42        MM  30    1992  41      1       48        
                                      1957                          
  AVERAGE         50                        47      3       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.20 1976   0.10  -0.10             
  MONTH TO DATE    1.35                      2.01  -0.66             
  SINCE SEP 1      1.35                      2.01  -0.66             
  SINCE JAN 1     13.29                     11.30   1.99             
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    2003   0.0    0.0      0.0     
                                      1993                          
                                      1956                          
  MONTH TO DATE    0.0                       0.1   -0.1      0.0     
  SINCE SEP 1      0.0                       0.1   -0.1      0.0     
  SINCE JUL 1      0.0                       0.1   -0.1      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                               -3                
  MONTH TO DATE  241                              -51                
  SINCE SEP 1    241                              -51                
  SINCE JUL 1    609                             -133                
                                                                     
 COOLING                                                             
  YESTERDAY        0                                0                
  MONTH TO DATE    0                                0                
  SINCE SEP 1      0                                0                
  SINCE JAN 1      3                                1                
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     3.6                                         



                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93                                                       
 LOWEST     66                                                       
 AVERAGE    80                                                       

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

                                                                     
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   53        67      1995                    
 MINIMUM TEMPERATURE (F)   40        28      1992                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2017.....SUNRISE   743 AM AKDT  SUNSET   802 PM AKDT  
SEPTEMBER 22 2017.....SUNRISE   745 AM AKDT  SUNSET   758 PM AKDT  

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




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