648  
CDUS41 KGYX 152153  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
453 PM EST FRI DEC 15 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 15 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1941 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 52 2:09 PM 57 2008 38 14 42  
MINIMUM 28 7:19 AM -3 1989 23 5 34  
AVERAGE 40 30 10 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.30 1884 0.15 -0.15 T  
MONTH TO DATE 3.30 2.26 1.04 1.37  
SINCE DEC 1 3.30 2.26 1.04 1.37  
SINCE JAN 1 53.30 45.88 7.42 44.05  
 
SNOWFALL (IN)  
TODAY 0.0 10.6 2013 0.5 -0.5 T  
MONTH TO DATE 0.5 5.5 -5.0 0.5  
SINCE DEC 1 0.5 5.5 -5.0 0.5  
SINCE JUL 1 0.7 8.0 -7.3 0.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 34 -9 27  
MONTH TO DATE 458 484 -26 463  
SINCE DEC 1 458 484 -26 463  
SINCE JUL 1 1727 1862 -135 1699  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 423 446 -23 542    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 8:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 56 2008  
MINIMUM TEMPERATURE (F) 22 -9 1951  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 7:08 AM EST SUNSET 4:05 PM EST  
DECEMBER 16 2023......SUNRISE 7:08 AM EST SUNSET 4:05 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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