053  
CDUS41 KGYX 180913  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
413 AM EST MON DEC 18 2023  
   
...............................  
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR DECEMBER 17 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 11:59 PM 57 1984 38 14 36  
MINIMUM 24 1:04 AM -12 1942 22 2 33  
AVERAGE 38 30 8 35  
 
PRECIPITATION (IN)  
YESTERDAY 1.00 2.88 1973 0.15 0.85 0.25  
MONTH TO DATE 4.30 2.55 1.75 2.82  
SINCE DEC 1 4.30 2.55 1.75 2.82  
SINCE JAN 1 54.30 46.17 8.13 45.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 22.3 1970 0.5 -0.5 0.9  
MONTH TO DATE 0.5 6.5 -6.0 4.7  
SINCE DEC 1 0.5 6.5 -6.0 4.7  
SINCE JUL 1 0.7 9.0 -8.3 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 35 -8 30  
MONTH TO DATE 513 554 -41 525  
SINCE DEC 1 513 554 -41 525  
SINCE JUL 1 1782 1932 -150 1761  
 
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 2 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 PM  
LOWEST 79 10:00 AM  
AVERAGE 90  
   
......................................................  
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 53 1996  
MINIMUM TEMPERATURE (F) 22 -9 1963  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:10 AM EST SUNSET 4:06 PM EST  
DECEMBER 19 2023......SUNRISE 7:10 AM EST SUNSET 4:06 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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