267  
CDUS41 KGYX 152148  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
448 PM EST TUE DEC 15 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 15 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 32 1:29 AM 57 2008 38 -6 54  
MINIMUM 26 7:24 AM -3 1989 21 5 29  
AVERAGE 29 29 0 42  
 
PRECIPITATION (IN)  
TODAY 0.00 2.30 1884 0.13 -0.13 0.00  
MONTH TO DATE 2.64 2.07 0.57 5.85  
SINCE DEC 1 2.64 2.07 0.57 5.85  
SINCE JAN 1 38.90 45.30 -6.40 49.77  
 
SNOWFALL (IN)  
TODAY 0.0 10.6 2013 0.4 -0.4 0.0  
MONTH TO DATE 1.7 5.1 -3.4 10.2  
SINCE DEC 1 1.7 5.1 -3.4 10.2  
SINCE JUL 1 1.8 7.0 -5.2 10.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 36 36 0 23  
MONTH TO DATE 453 500 -47 481  
SINCE DEC 1 453 500 -47 481  
SINCE JUL 1 1720 1991 -271 1916  
 
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 35 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 16.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 56 2008  
MINIMUM TEMPERATURE (F) 20 -9 1951  
 
SUNRISE AND SUNSET  
DECEMBER 15 2020......SUNRISE 7:08 AM EST SUNSET 4:05 PM EST  
DECEMBER 16 2020......SUNRISE 7:09 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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