671  
CDUS41 KGYX 110942  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
442 AM EST MON DEC 11 2023  
   
...............................  
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 10 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 53 8:23 PM 58 2008 40 13 31  
2019  
MINIMUM 36 7:00 AM -8 1949 24 12 20  
AVERAGE 45 32 13 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 2.58 1878 0.16 0.32 0.00  
MONTH TO DATE 1.31 1.52 -0.21 1.34  
SINCE DEC 1 1.31 1.52 -0.21 1.34  
SINCE JAN 1 51.31 45.14 6.17 44.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.0 1905 0.3 -0.3 0.0  
MONTH TO DATE 0.5 3.3 -2.8 T  
SINCE DEC 1 0.5 3.3 -2.8 T  
SINCE JUL 1 0.7 5.8 -5.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 33 -13 39  
MONTH TO DATE 311 315 -4 281  
SINCE DEC 1 311 315 -4 281  
SINCE JUL 1 1580 1693 -113 1517  
 
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 S (190)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 92 12:00 AM  
AVERAGE 96  
   
......................................................  
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 60 1966  
MINIMUM TEMPERATURE (F) 24 -6 1958  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:04 AM EST SUNSET 4:04 PM EST  
DECEMBER 12 2023......SUNRISE 7:05 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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