324  
CDUS41 KGYX 090912  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
412 AM EST SAT DEC 09 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 8 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1941 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 1:52 PM 58 1951 41 -3 48  
MINIMUM 14 4:16 AM -5 1989 25 -11 34  
AVERAGE 26 33 -7 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 1950 0.15 -0.15 0.00  
MONTH TO DATE 0.83 1.21 -0.38 1.34  
SINCE DEC 1 0.83 1.21 -0.38 1.34  
SINCE JAN 1 50.83 44.83 6.00 44.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.4 1929 0.4 -0.4 0.0  
MONTH TO DATE 0.5 2.6 -2.1 T  
SINCE DEC 1 0.5 2.6 -2.1 T  
SINCE JUL 1 0.7 5.1 -4.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 32 7 24  
MONTH TO DATE 261 249 12 213  
SINCE DEC 1 261 249 12 213  
SINCE JUL 1 1530 1627 -97 1449  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 423 446 -23 542    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 95 1:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 54 1980  
MINIMUM TEMPERATURE (F) 24 -6 1949  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 7:03 AM EST SUNSET 4:04 PM EST  
DECEMBER 10 2023......SUNRISE 7:04 AM EST SUNSET 4:04 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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