018  
CDUS41 KGYX 182142  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
442 PM EST FRI DEC 18 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 18 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 28 2:52 PM 53 1996 37 -9 34  
MINIMUM 20 9:56 AM -9 1963 20 0 24  
AVERAGE 24 28 -4 29  
 
PRECIPITATION (IN)  
TODAY 0.00 3.50 2012 0.13 -0.13 0.01  
MONTH TO DATE 3.50 2.46 1.04 6.09  
SINCE DEC 1 3.50 2.46 1.04 6.09  
SINCE JAN 1 39.76 45.69 -5.93 50.01  
 
SNOWFALL (IN)  
TODAY 0.0 8.9 1975 0.4 -0.4 0.5  
MONTH TO DATE 19.3 6.4 12.9 13.2  
SINCE DEC 1 19.3 6.4 12.9 13.2  
SINCE JUL 1 19.4 8.3 11.1 13.5  
SNOW DEPTH 12  
 
DEGREE DAYS  
HEATING  
TODAY 41 37 4 36  
MONTH TO DATE 597 610 -13 590  
SINCE DEC 1 597 610 -13 590  
SINCE JUL 1 1864 2101 -237 2025  
 
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 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 12:00 AM  
LOWEST 52 8:00 AM  
AVERAGE 61  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 54 1949  
MINIMUM TEMPERATURE (F) 19 -13 1975  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 7:10 AM EST SUNSET 4:06 PM EST  
DECEMBER 19 2020......SUNRISE 7:11 AM EST SUNSET 4:07 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab ME Page
The Nexlab NH Page Main Text Page