455  
CDUS41 KGYX 290907  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
407 AM EST FRI DEC 29 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 28 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 40 9:30 PM 57 1949 35 5 32  
MINIMUM 37 11:59 PM -13 1951 19 18 19  
AVERAGE 39 27 12 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.70 2.06 1922 0.14 0.56 0.01  
MONTH TO DATE 6.35 4.10 2.25 3.93  
SINCE DEC 1 6.35 4.10 2.25 3.93  
SINCE JAN 1 56.35 47.72 8.63 46.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 21.0 1946 0.6 -0.6 T  
MONTH TO DATE 0.5 12.7 -12.2 4.7  
SINCE DEC 1 0.5 12.7 -12.2 4.7  
SINCE JUL 1 0.7 15.2 -14.5 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 38 -12 39  
MONTH TO DATE 821 958 -137 934  
SINCE DEC 1 821 958 -137 934  
SINCE JUL 1 2090 2336 -246 2170  
 
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 8 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 96 8:00 AM  
AVERAGE 98  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 56 1984  
MINIMUM TEMPERATURE (F) 19 -13 2017  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 7:14 AM EST SUNSET 4:12 PM EST  
DECEMBER 30 2023......SUNRISE 7:14 AM EST SUNSET 4:13 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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