559  
CDUS41 KGYX 160802  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
402 AM EDT WED SEP 16 2020  
 
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 15 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 1152 AM 90 1993 70 -6 77  
MINIMUM 40 526 AM 29 1963 51 -11 58  
AVERAGE 52 60 -8 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.32 1904 0.12 -0.12 T  
MONTH TO DATE 0.19 1.67 -1.48 0.16  
SINCE SEP 1 0.19 1.67 -1.48 0.16  
SINCE JAN 1 26.01 31.41 -5.40 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 13 5 8 0  
MONTH TO DATE 30 53 -23 70  
SINCE SEP 1 30 53 -23 70  
SINCE JUL 1 45 98 -53 83  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 40 22 18 17  
SINCE SEP 1 40 22 18 17  
SINCE JAN 1 663 350 313 453    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 36 1200 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1941  
MINIMUM TEMPERATURE (F) 50 28 1964  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2020.....SUNRISE 622 AM EDT SUNSET 649 PM EDT  
SEPTEMBER 17 2020.....SUNRISE 623 AM EDT SUNSET 647 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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