222  
CDUS41 KGYX 120903  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
403 AM EST TUE DEC 12 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 11 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 52 1:20 AM 60 1966 40 12 25  
MINIMUM 33 11:43 PM -6 1958 24 9 16  
AVERAGE 43 32 11 21  
 
PRECIPITATION (IN)  
YESTERDAY 1.99 2.01 1887 0.15 1.84 0.02  
MONTH TO DATE 3.30 1.67 1.63 1.36  
SINCE DEC 1 3.30 1.67 1.63 1.36  
SINCE JAN 1 53.30 45.29 8.01 44.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.4 1882 0.4 -0.4 0.3  
MONTH TO DATE 0.5 3.7 -3.2 0.3  
SINCE DEC 1 0.5 3.7 -3.2 0.3  
SINCE JUL 1 0.7 6.2 -5.5 0.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 33 -11 44  
MONTH TO DATE 333 348 -15 325  
SINCE DEC 1 333 348 -15 325  
SINCE JUL 1 1602 1726 -124 1561  
 
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 7 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 73 4:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 1979  
MINIMUM TEMPERATURE (F) 24 -15 1977  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:05 AM EST SUNSET 4:04 PM EST  
DECEMBER 13 2023......SUNRISE 7:06 AM EST SUNSET 4:05 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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