092  
CDUS41 KGYX 010909  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
409 AM EST FRI JAN 01 2021  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 31 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 43 1:19 PM 53 1990 33 10 39  
MINIMUM 21 10:42 PM -21 1963 15 6 28  
AVERAGE 32 24 8 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.49 1972 0.11 -0.10 0.75  
MONTH TO DATE 5.22 4.02 1.20 8.48  
SINCE DEC 1 5.22 4.02 1.20 8.48  
SINCE JAN 1 41.48 47.25 -5.77 52.40  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.7 2007 0.6 -0.6 3.0  
MONTH TO DATE 20.0 13.2 6.8 26.1  
SINCE DEC 1 20.0 13.2 6.8 26.1  
SINCE JUL 1 20.1 15.1 5.0 26.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 41 -8 31  
MONTH TO DATE 1040 1120 -80 1050  
SINCE DEC 1 1040 1120 -80 1050  
SINCE JUL 1 2307 2611 -304 2485  
 
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 W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 50 5:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 56 1966  
MINIMUM TEMPERATURE (F) 15 -17 2018  
 
SUNRISE AND SUNSET  
JANUARY 1 2021.......SUNRISE 7:15 AM EST SUNSET 4:15 PM EST  
JANUARY 2 2021.......SUNRISE 7:15 AM EST SUNSET 4:16 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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