889  
CDUS41 KGYX 162151  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
451 PM EST WED DEC 16 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 16 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1941 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 22 2:54 PM 56 2008 37 -15 34  
MINIMUM 10 7:17 AM -9 1951 20 -10 23  
AVERAGE 16 29 -13 29  
 
PRECIPITATION (IN)  
TODAY 0.00 1.96 2005 0.13 -0.13 0.00  
MONTH TO DATE 2.64 2.20 0.44 5.85  
SINCE DEC 1 2.64 2.20 0.44 5.85  
SINCE JAN 1 38.90 45.43 -6.53 49.77  
 
SNOWFALL (IN)  
TODAY 0.0 10.7 1916 0.4 -0.4 0.0  
MONTH TO DATE 1.7 5.5 -3.8 10.2  
SINCE DEC 1 1.7 5.5 -3.8 10.2  
SINCE JUL 1 1.8 7.4 -5.6 10.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 49 36 13 36  
MONTH TO DATE 508 536 -28 517  
SINCE DEC 1 508 536 -28 517  
SINCE JUL 1 1775 2027 -252 1952  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 681 359 322 474    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 6:00 AM  
LOWEST 31 1:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 57 1984  
MINIMUM TEMPERATURE (F) 20 -12 1942  
 
SUNRISE AND SUNSET  
DECEMBER 16 2020......SUNRISE 7:09 AM EST SUNSET 4:05 PM EST  
DECEMBER 17 2020......SUNRISE 7:09 AM EST SUNSET 4:06 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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