761  
CDUS41 KGYX 310903  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
403 AM EST THU DEC 31 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 30 2020
 
 
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)  
YESTERDAY  
MAXIMUM 37 11:30 PM 55 1984 33 4 32  
MINIMUM 16 5:07 AM -16 1963 16 0 26  
AVERAGE 27 24 3 29  
 
PRECIPITATION (IN)  
YESTERDAY T 2.07 1942 0.12 -0.12 1.60  
MONTH TO DATE 5.21 3.91 1.30 7.73  
SINCE DEC 1 5.21 3.91 1.30 7.73  
SINCE JAN 1 41.47 47.14 -5.67 51.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.7 2000 0.5 -0.5 9.8  
MONTH TO DATE 20.0 12.6 7.4 23.1  
SINCE DEC 1 20.0 12.6 7.4 23.1  
SINCE JUL 1 20.1 14.5 5.6 23.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 41 -3 36  
MONTH TO DATE 1007 1079 -72 1019  
SINCE DEC 1 1007 1079 -72 1019  
SINCE JUL 1 2274 2570 -296 2454  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 11:00 PM  
LOWEST 41 1:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 53 1990  
MINIMUM TEMPERATURE (F) 15 -21 1963  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 7:15 AM EST SUNSET 4:15 PM EST  
JANUARY 1 2021.......SUNRISE 7:15 AM EST SUNSET 4:15 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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