858  
CDUS41 KGYX 210859  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
359 AM EST SAT DEC 21 2024  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1941 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 3:43 PM 53 1957 37 -10 41  
MINIMUM 21 11:59 PM -20 1975 21 0 26  
AVERAGE 24 29 -5 34  
 
PRECIPITATION (IN)  
YESTERDAY T 1.79 1939 0.14 -0.14 0.00  
MONTH TO DATE 4.31 2.98 1.33 5.62  
SINCE DEC 1 4.31 2.98 1.33 5.62  
SINCE JAN 1 46.68 46.60 0.08 55.62  
 
SNOWFALL (IN)  
YESTERDAY T 8.6 1995 0.5 -0.5 0.0  
MONTH TO DATE 5.2 8.1 -2.9 0.5  
SINCE DEC 1 5.2 8.1 -2.9 0.5  
SINCE JUL 1 5.2 10.6 -5.4 0.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 36 5 31  
MONTH TO DATE 675 661 14 581  
SINCE DEC 1 675 661 14 581  
SINCE JUL 1 1870 2039 -169 1850  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 522 446 76 423    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 11:00 PM  
LOWEST 59 5:00 AM  
AVERAGE 67  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 60 1957  
MINIMUM TEMPERATURE (F) 21 -14 1955  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:12 AM EST SUNSET 4:08 PM EST  
DECEMBER 22 2024......SUNRISE 7:12 AM EST SUNSET 4:08 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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