741  
CDUS41 KGYX 130808  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
408 AM EDT SUN SEP 13 2020  
 
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 12 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 70 1157 AM 91 1961 71 -1 68  
MINIMUM 47 528 AM 36 1958 52 -5 48  
AVERAGE 59 62 -3 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.44 1960 0.13 -0.13 T  
MONTH TO DATE 0.19 1.30 -1.11 0.16  
SINCE SEP 1 0.19 1.30 -1.11 0.16  
SINCE JAN 1 26.01 31.04 -5.03 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 6 4 2 7  
MONTH TO DATE 8 38 -30 50  
SINCE SEP 1 8 38 -30 50  
SINCE JUL 1 23 83 -60 63  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 40 19 21 14  
SINCE SEP 1 40 19 21 14  
SINCE JAN 1 663 347 316 450    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 37 300 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1957  
MINIMUM TEMPERATURE (F) 52 34 1954  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2020.....SUNRISE 619 AM EDT SUNSET 654 PM EDT  
SEPTEMBER 14 2020.....SUNRISE 620 AM EDT SUNSET 652 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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