493  
CDUS41 KGYX 220904  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
404 AM EST FRI DEC 22 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 21 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 32 2:18 PM 60 1957 37 -5 35  
MINIMUM 21 11:59 PM -14 1955 21 0 22  
AVERAGE 27 29 -2 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.05 1946 0.15 -0.15 0.00  
MONTH TO DATE 5.62 3.13 2.49 2.82  
SINCE DEC 1 5.62 3.13 2.49 2.82  
SINCE JAN 1 55.62 46.75 8.87 45.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 14.5 2008 0.6 -0.6 0.0  
MONTH TO DATE 0.5 8.7 -8.2 4.7  
SINCE DEC 1 0.5 8.7 -8.2 4.7  
SINCE JUL 1 0.7 11.2 -10.5 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 36 2 36  
MONTH TO DATE 619 697 -78 663  
SINCE DEC 1 619 697 -78 663  
SINCE JUL 1 1888 2075 -187 1899  
 
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 14 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 2:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 50  
   
......................................................
 
 
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 2023......SUNRISE 7:12 AM EST SUNSET 4:08 PM EST  
DECEMBER 23 2023......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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