135  
CDAK48 PAFC 121009  
CLIANC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
109 AM AKST TUE DEC 12 2023  
   
...............................  
 
   
..THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 11 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 31 3:22 PM 47 1985 26 5 21  
MINIMUM 21 11:20 PM -25 1955 15 6 13  
AVERAGE 26 20 6 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.12 2022 0.04 -0.01 1.12  
MONTH TO DATE 0.62 0.45 0.17 2.25  
SINCE DEC 1 0.62 0.45 0.17 2.25  
SINCE JAN 1 22.77 15.71 7.06 27.03  
 
SNOWFALL (IN)  
YESTERDAY 0.5 9.0 2022 0.7 -0.2 9.0  
MONTH TO DATE 12.5 6.6 5.9 22.4  
SINCE DEC 1 12.5 6.6 5.9 22.4  
SINCE JUL 1 53.0 25.2 27.8 36.5  
SNOW DEPTH 17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 45 -6 48  
MONTH TO DATE 491 487 4 529  
SINCE DEC 1 491 487 4 529  
SINCE JUL 1 3363 3498 -135 3500  
 
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 4 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 PM  
LOWEST 78 1:00 AM  
AVERAGE 87  
   
......................................................  
 
THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 26 46 1989  
MINIMUM TEMPERATURE (F) 15 -25 1956  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 10:05 AM AKST SUNSET 3:42 PM AKST  
DECEMBER 13 2023......SUNRISE 10:07 AM AKST SUNSET 3:42 PM AKST  
 
CIVIL TWILIGHT  
DECEMBER 12 2023...... START 9:05 AM AKST END 4:44 PM AKST  
DECEMBER 13 2023...... START 9:06 AM AKST END 4:43 PM AKST  
 
------------------------------------------------------  
AMOUNT OF DAYLIGHT TODAY (HOUR:MIN)........ 5:37  
GAIN/LOSS SINCE YESTERDAY (HOUR:MIN:SEC)....-0:01:55  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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