422  
CDUS41 KGYX 310906  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
406 AM EST SUN DEC 31 2023  
   
...............................  
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 30 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 39 12:30 AM 55 1984 35 4 49  
MINIMUM 33 1:44 PM -16 1963 19 14 24  
AVERAGE 36 26 10 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 2.07 1942 0.13 0.10 0.00  
MONTH TO DATE 6.67 4.36 2.31 3.93  
SINCE DEC 1 6.67 4.36 2.31 3.93  
SINCE JAN 1 56.67 47.98 8.69 46.61  
 
SNOWFALL (IN)  
YESTERDAY T 10.7 2000 0.6 -0.6 0.0  
MONTH TO DATE 0.5 14.0 -13.5 4.7  
SINCE DEC 1 0.5 14.0 -13.5 4.7  
SINCE JUL 1 0.7 16.5 -15.8 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 38 -9 28  
MONTH TO DATE 878 1034 -156 993  
SINCE DEC 1 878 1034 -156 993  
SINCE JUL 1 2147 2412 -265 2229  
 
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 (330)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 82 11:00 PM  
AVERAGE 91  
   
......................................................  
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 1990  
MINIMUM TEMPERATURE (F) 18 -21 1963  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 7:15 AM EST SUNSET 4:14 PM EST  
JANUARY 1 2024.......SUNRISE 7:15 AM EST SUNSET 4:15 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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