077  
CDUS41 KGYX 140901  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
401 AM EST MON DEC 14 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 13 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 6:25 PM 60 1984 38 5 42  
MINIMUM 30 11:26 PM -5 1976 21 9 21  
AVERAGE 37 30 7 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.98 1983 0.13 -0.12 0.38  
MONTH TO DATE 2.64 1.81 0.83 2.45  
SINCE DEC 1 2.64 1.81 0.83 2.45  
SINCE JAN 1 38.90 45.04 -6.14 46.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.9 1965 0.4 -0.4 T  
MONTH TO DATE 1.7 4.3 -2.6 10.2  
SINCE DEC 1 1.7 4.3 -2.6 10.2  
SINCE JUL 1 1.8 6.2 -4.4 10.5  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 35 -7 33  
MONTH TO DATE 383 428 -45 439  
SINCE DEC 1 383 428 -45 439  
SINCE JUL 1 1650 1919 -269 1874  
 
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 3 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 82 9:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 55 2006  
MINIMUM TEMPERATURE (F) 21 -6 1976  
 
SUNRISE AND SUNSET  
DECEMBER 14 2020......SUNRISE 7:07 AM EST SUNSET 4:05 PM EST  
DECEMBER 15 2020......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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