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CDAK48 PAFC 171306
CLICDB


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK                               
405 AM AKST SUN DEC 17 2017


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

...THE COLD BAY CLIMATE SUMMARY FOR DECEMBER 16 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    438 AM  47    1948  36      4       43       
  MINIMUM         31    251 AM   1    1976  27      4       31       
  AVERAGE         36                        31      5       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.21          1.41 1978   0.15   0.06     0.04    
  MONTH TO DATE    1.52                      2.54  -1.02     3.43    
  SINCE SEP 1     14.45                     17.01  -2.56    20.13    
  SINCE JAN 1     34.01                     39.75  -5.74    39.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.9           2.3  2015   0.4    0.5      0.0     
  MONTH TO DATE    3.6                       6.5   -2.9     11.6     
  SINCE SEP 1      5.8                      19.1  -13.3     13.4     
  SINCE JUL 1      5.8                      19.1  -13.3     13.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       29                        34     -5       28       
  MONTH TO DATE  482                       529    -47      522       
  SINCE DEC 1    482                       529    -47      522       
  SINCE JUL 1   3205                      3549   -344     2872       
                                                                     
 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   7   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    41   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    19.1                                         


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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92                                                       
 LOWEST     70                                                       
 AVERAGE    81                                                       

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

                                                                     
THE COLD BAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   36        49      1971                    
 MINIMUM TEMPERATURE (F)   27         0      1973                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2017......SUNRISE  1013 AM AKST  SUNSET   521 PM AKST  
DECEMBER 18 2017......SUNRISE  1014 AM AKST  SUNSET   522 PM AKST  

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




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