300  
CDUS41 KGYX 132150  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
450 PM EST SUN DEC 13 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 13 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 42 2:59 PM 60 1984 38 4 42  
MINIMUM 34 5:03 AM -5 1976 21 13 21  
AVERAGE 38 30 8 32  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 27 35 -8 33  
MONTH TO DATE 382 428 -46 439  
SINCE DEC 1 382 428 -46 439  
SINCE JUL 1 1649 1919 -270 1874  
 
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 (350)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 96 1:00 AM  
AVERAGE 98  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 55 2006  
MINIMUM TEMPERATURE (F) 21 -6 1976  
 
SUNRISE AND SUNSET  
DECEMBER 13 2020......SUNRISE 7:07 AM EST SUNSET 4:05 PM EST  
DECEMBER 14 2020......SUNRISE 7:07 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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