614  
CDUS41 KGYX 200804  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
403 AM EDT SUN SEP 20 2020  
 
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 19 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1941 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 217 PM 87 1983 69 -5 68  
MINIMUM 44 1136 PM 31 1964 49 -5 38  
AVERAGE 54 59 -5 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.57 1889 0.13 -0.13 0.00  
MONTH TO DATE 0.19 2.18 -1.99 0.16  
SINCE SEP 1 0.19 2.18 -1.99 0.16  
SINCE JAN 1 26.01 31.92 -5.91 34.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
2000  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 7 4 12  
MONTH TO DATE 51 78 -27 107  
SINCE SEP 1 51 78 -27 107  
SINCE JUL 1 66 123 -57 120  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 42 26 16 17  
SINCE SEP 1 42 26 16 17  
SINCE JAN 1 665 354 311 453    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 500 AM  
LOWEST 23 200 PM  
AVERAGE 43  
   
......................................................
 
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1985  
MINIMUM TEMPERATURE (F) 49 27 1964  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2020.....SUNRISE 627 AM EDT SUNSET 641 PM EDT  
SEPTEMBER 21 2020.....SUNRISE 628 AM EDT SUNSET 640 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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