877  
CDAK48 PAFC 181305  
CLIANC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
405 AM AKST MON DEC 18 2023  
   
...............................
 
 
   
..THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1952 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 35 5:49 PM 44 1986 25 10 7  
MINIMUM 23 12:18 AM -23 1980 14 9 -7  
AVERAGE 29 20 9 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.30 1994 0.03 0.11 T  
2009  
MONTH TO DATE 1.57 0.68 0.89 3.74  
SINCE DEC 1 1.57 0.68 0.89 3.74  
SINCE JAN 1 23.72 15.94 7.78 28.52  
 
SNOWFALL (IN)  
YESTERDAY 1.3 6.1 1994 0.6 0.7 T  
MONTH TO DATE 29.5 10.3 19.2 41.1  
SINCE DEC 1 29.5 10.3 19.2 41.1  
SINCE JUL 1 70.0 28.9 41.1 55.2  
SNOW DEPTH 26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 46 -10 65  
MONTH TO DATE 771 758 13 842  
SINCE DEC 1 771 758 13 842  
SINCE JUL 1 3643 3769 -126 3813  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 8 -8 9    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 67 4:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 46 1993  
MINIMUM TEMPERATURE (F) 14 -20 1980  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 10:12 AM AKST SUNSET 3:42 PM AKST  
DECEMBER 19 2023......SUNRISE 10:13 AM AKST SUNSET 3:42 PM AKST  
 
CIVIL TWILIGHT  
DECEMBER 18 2023...... START 9:10 AM AKST END 4:44 PM AKST  
DECEMBER 19 2023...... START 9:11 AM AKST END 4:44 PM AKST  
 
- 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)........ 5:29  
GAIN/LOSS SINCE YESTERDAY (HOUR:MIN:SEC)....-0:00:45  
 

 
 
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