583  
CDUS41 KGYX 250910  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
410 AM EST FRI DEC 25 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 24 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 50 11:59 PM 53 1957 35 15 45  
MINIMUM 21 3:41 AM -13 1989 17 4 25  
AVERAGE 36 26 10 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.99 1994 0.12 -0.09 0.00  
MONTH TO DATE 4.15 3.19 0.96 6.09  
SINCE DEC 1 4.15 3.19 0.96 6.09  
SINCE JAN 1 40.41 46.42 -6.01 50.01  
 
SNOWFALL (IN)  
YESTERDAY MM 16.7 1970 0.5 MM 0.0  
MONTH TO DATE 20.0 9.4 10.6 13.2  
SINCE DEC 1 20.0 9.4 10.6 13.2  
SINCE JUL 1 20.1 11.3 8.8 13.5  
SNOW DEPTH 7  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 39 -10 30  
MONTH TO DATE 825 839 -14 822  
SINCE DEC 1 825 839 -14 822  
SINCE JUL 1 2092 2330 -238 2257  
 
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 S (180)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 PM  
LOWEST 68 12:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 62 2015  
MINIMUM TEMPERATURE (F) 17 -16 1980  
 
SUNRISE AND SUNSET  
DECEMBER 25 2020......SUNRISE 7:13 AM EST SUNSET 4:10 PM EST  
DECEMBER 26 2020......SUNRISE 7:14 AM EST SUNSET 4:11 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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