579  
CDUS41 KGYX 220922  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
422 AM EST SUN DEC 22 2024  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 21 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 28 1:39 PM 60 1957 37 -9 32  
MINIMUM 15 11:59 PM -14 1955 21 -6 21  
AVERAGE 22 29 -7 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.05 1946 0.15 -0.15 0.00  
MONTH TO DATE 4.31 3.13 1.18 5.62  
SINCE DEC 1 4.31 3.13 1.18 5.62  
SINCE JAN 1 46.68 46.75 -0.07 55.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 14.5 2008 0.6 -0.6 0.0  
MONTH TO DATE 5.2 8.7 -3.5 0.5  
SINCE DEC 1 5.2 8.7 -3.5 0.5  
SINCE JUL 1 5.2 11.2 -6.0 0.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 36 7 38  
MONTH TO DATE 718 697 21 619  
SINCE DEC 1 718 697 21 619  
SINCE JUL 1 1913 2075 -162 1888  
 
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 14 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 4:00 AM  
LOWEST 46 12:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 60 1949  
MINIMUM TEMPERATURE (F) 21 -14 1970  
 
SUNRISE AND SUNSET  
DECEMBER 22 2024......SUNRISE 7:12 AM EST SUNSET 4:08 PM EST  
DECEMBER 23 2024......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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