089  
CDUS41 KGYX 230913  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
413 AM EST WED DEC 23 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 22 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 1:10 PM 60 1949 35 8 43  
MINIMUM 27 8:13 AM -14 1970 18 9 23  
AVERAGE 35 27 8 33  
 
PRECIPITATION (IN)  
YESTERDAY T 1.46 1902 0.12 -0.12 0.00  
MONTH TO DATE 4.12 2.95 1.17 6.09  
SINCE DEC 1 4.12 2.95 1.17 6.09  
SINCE JAN 1 40.38 46.18 -5.80 50.01  
 
SNOWFALL (IN)  
YESTERDAY T 8.6 1962 0.5 -0.5 0.0  
MONTH TO DATE 20.0 8.4 11.6 13.2  
SINCE DEC 1 20.0 8.4 11.6 13.2  
SINCE JUL 1 20.1 10.3 9.8 13.5  
SNOW DEPTH 8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 38 -8 32  
MONTH TO DATE 758 761 -3 762  
SINCE DEC 1 758 761 -3 762  
SINCE JUL 1 2025 2252 -227 2197  
 
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 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 66 1990  
MINIMUM TEMPERATURE (F) 18 -9 1945  
 
SUNRISE AND SUNSET  
DECEMBER 23 2020......SUNRISE 7:13 AM EST SUNSET 4:09 PM EST  
DECEMBER 24 2020......SUNRISE 7:13 AM EST SUNSET 4:09 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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