517 
CDAK48 PAFC 201254
CLICDB


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


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

...THE COLD BAY CLIMATE SUMMARY FOR DECEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         40        MM  46    2010  35      5       39        
  MINIMUM         28        MM   4    1961  26      2       33        
  AVERAGE         34                        31      3       36      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.11          0.79 2000   0.14  -0.03     0.05    
  MONTH TO DATE    1.79                      2.96  -1.17     3.71    
  SINCE SEP 1     14.72                     17.43  -2.71    20.41    
  SINCE JAN 1     34.28                     40.17  -5.89    39.71    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.4  1976   0.4   -0.4      0.0     
  MONTH TO DATE    3.6                       7.6   -4.0     11.6     
  SINCE SEP 1      5.8                      20.2  -14.4     13.4     
  SINCE JUL 1      5.8                      20.2  -14.4     13.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        34     -3       29       
  MONTH TO DATE  574                       631    -57      611       
  SINCE DEC 1    574                       631    -57      611       
  SINCE JUL 1   3297                      3651   -354     2961       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    14.3                                         


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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     59                                                       
 AVERAGE    80                                                       

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

                                                                     
THE COLD BAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        46      2013                    
 MINIMUM TEMPERATURE (F)   26         5      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE  1015 AM AKST  SUNSET   522 PM AKST  
DECEMBER 21 2017......SUNRISE  1016 AM AKST  SUNSET   523 PM AKST  

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




$$