449  
CDUS41 KGYX 292153  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
453 PM EST TUE DEC 29 2020  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 29 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 41 12:47 AM 56 1984 33 8 42  
MINIMUM 27 2:59 PM -13 2017 16 11 25  
AVERAGE 34 25 9 34  
 
PRECIPITATION (IN)  
TODAY T 1.78 1966 0.11 -0.11 0.01  
MONTH TO DATE 5.21 3.79 1.42 6.13  
SINCE DEC 1 5.21 3.79 1.42 6.13  
SINCE JAN 1 41.47 47.02 -5.55 50.05  
 
SNOWFALL (IN)  
TODAY MM 14.2 1976 0.6 MM 0.1  
MONTH TO DATE 20.0 12.1 7.9 13.3  
SINCE DEC 1 20.0 12.1 7.9 13.3  
SINCE JUL 1 20.1 14.0 6.1 13.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 31 40 -9 31  
MONTH TO DATE 964 1038 -74 983  
SINCE DEC 1 964 1038 -74 983  
SINCE JUL 1 2231 2529 -298 2418  
 
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 29 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 12:00 AM  
LOWEST 34 1:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 55 1984  
MINIMUM TEMPERATURE (F) 16 -16 1963  
 
SUNRISE AND SUNSET  
DECEMBER 29 2020......SUNRISE 7:14 AM EST SUNSET 4:13 PM EST  
DECEMBER 30 2020......SUNRISE 7:15 AM EST SUNSET 4:14 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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