506  
CDUS41 KGYX 150809  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
409 AM EDT TUE SEP 15 2020  
 
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 14 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 77 151 PM 88 1993 71 6 64  
MINIMUM 50 1048 PM 28 1963 51 -1 43  
AVERAGE 64 61 3 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1944 0.13 -0.13 T  
MONTH TO DATE 0.19 1.55 -1.36 0.16  
SINCE SEP 1 0.19 1.55 -1.36 0.16  
SINCE JAN 1 26.01 31.29 -5.28 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 1 5 -4 11  
MONTH TO DATE 17 48 -31 70  
SINCE SEP 1 17 48 -31 70  
SINCE JUL 1 32 93 -61 83  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 40 21 19 14  
SINCE SEP 1 40 21 19 14  
SINCE JAN 1 663 349 314 450    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 31 400 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1993  
MINIMUM TEMPERATURE (F) 51 29 1963  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2020.....SUNRISE 621 AM EDT SUNSET 651 PM EDT  
SEPTEMBER 16 2020.....SUNRISE 622 AM EDT SUNSET 649 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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