416 
CDAK48 PAFC 101246
CLIANC


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK                               
345 AM AKST SUN DEC 10 2017


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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 9 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         31        MM  48    2005  25      6       22        
  MINIMUM         26        MM -20    1966  14     12        7        
                                      1956                          
  AVERAGE         29                        20      9       15      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.48 1986   0.04  -0.04             
  MONTH TO DATE    0.21                      0.34  -0.13             
  SINCE SEP 1      6.48                      6.52  -0.04             
  SINCE JAN 1     18.42                     15.81   2.61             
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             4.3  2008   0.6   -0.6      0.4     
  MONTH TO DATE    1.0                       5.0   -4.0      9.0     
  SINCE SEP 1      9.3                      26.4  -17.1     12.9     
  SINCE JUL 1      9.3                      26.4  -17.1     12.9     
  SNOW DEPTH       6                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                              -10                
  MONTH TO DATE  309                              -98                
  SINCE DEC 1    309                              -98                
  SINCE JUL 1   3183                             -388                
                                                                     
 COOLING                                                             
  YESTERDAY        0                                0                
  MONTH TO DATE    0                                0                
  SINCE DEC 1      0                                0                
  SINCE JAN 1      3                                1                
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     5.8                                         



                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     85                                                       
 AVERAGE    93                                                       

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

                                                                     
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   25        42      1961                    
 MINIMUM TEMPERATURE (F)   14       -27      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 10 2017......SUNRISE  1003 AM AKST  SUNSET   343 PM AKST  
DECEMBER 11 2017......SUNRISE  1005 AM AKST  SUNSET   342 PM AKST  

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




$$