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056 
CDAK48 PAFC 201252
CLIANC

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK                               
351 AM AKST WED DEC 20 2017


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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 19 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         38        MM  44    1985  25     13       28        
  MINIMUM         18        MM -18    1961  13      5       18        
  AVERAGE         28                        19      9       23      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.20          0.34 2003   0.03   0.17             
  MONTH TO DATE    0.43                      0.71  -0.28             
  SINCE SEP 1      6.70                      6.89  -0.19             
  SINCE JAN 1     18.64                     16.18   2.46             
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.1           7.3  2003   0.5    0.6      1.8     
  MONTH TO DATE    2.1                      10.6   -8.5     12.4     
  SINCE SEP 1     10.4                      32.0  -21.6     16.3     
  SINCE JUL 1     10.4                      32.0  -21.6     16.3     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       37                               -9                
  MONTH TO DATE  624                             -243                
  SINCE DEC 1    624                             -243                
  SINCE JUL 1   3498                             -533                
                                                                     
 COOLING                                                             
  YESTERDAY        0                                0                
  MONTH TO DATE    0                                0                
  SINCE DEC 1      0                                0                
  SINCE JAN 1      3                                1                
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     6.4                                         



                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     70                                                       
 AVERAGE    85                                                       

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

                                                                     
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   25        47      1969                    
 MINIMUM TEMPERATURE (F)   13       -20      1957                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE  1014 AM AKST  SUNSET   342 PM AKST  
DECEMBER 21 2017......SUNRISE  1014 AM AKST  SUNSET   343 PM AKST  

CIVIL TWILIGHT
DECEMBER 20 2017        START    912 AM GMT     END    445 PM GMT
DECEMBER 21 2017        START    913 AM GMT     END    445 PM GMT


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




$$
&&
------------------------------------------------------
AMOUNT OF DAYLIGHT TODAY  (HOUR:MIN)........ 5:28   
GAIN/LOSS SINCE YESTERDAY (HOUR:MIN:SEC)....-0:00:15
387 
CDAK48 PAFC 201252
CLIANC


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK                               
351 AM AKST WED DEC 20 2017


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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 19 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         38        MM  44    1985  25     13       28        
  MINIMUM         18        MM -18    1961  13      5       18        
  AVERAGE         28                        19      9       23      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.20          0.34 2003   0.03   0.17             
  MONTH TO DATE    0.43                      0.71  -0.28             
  SINCE SEP 1      6.70                      6.89  -0.19             
  SINCE JAN 1     18.64                     16.18   2.46             
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.1           7.3  2003   0.5    0.6      1.8     
  MONTH TO DATE    2.1                      10.6   -8.5     12.4     
  SINCE SEP 1     10.4                      32.0  -21.6     16.3     
  SINCE JUL 1     10.4                      32.0  -21.6     16.3     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       37                               -9                
  MONTH TO DATE  624                             -243                
  SINCE DEC 1    624                             -243                
  SINCE JUL 1   3498                             -533                
                                                                     
 COOLING                                                             
  YESTERDAY        0                                0                
  MONTH TO DATE    0                                0                
  SINCE DEC 1      0                                0                
  SINCE JAN 1      3                                1                
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     6.4                                         



                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     70                                                       
 AVERAGE    85                                                       

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

                                                                     
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   25        47      1969                    
 MINIMUM TEMPERATURE (F)   13       -20      1957                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE  1014 AM AKST  SUNSET   342 PM AKST  
DECEMBER 21 2017......SUNRISE  1014 AM AKST  SUNSET   343 PM AKST  

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




$$