449  
CDUS41 KGYX 200829  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
429 AM EDT WED SEP 20 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 2:58 PM 87 1983 70 2 58  
MINIMUM 57 6:10 AM 31 1964 51 6 52  
AVERAGE 65 60 5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.95 1.57 1889 0.14 0.81 1.15  
MONTH TO DATE 4.91 2.26 2.65 2.97  
SINCE SEP 1 4.91 2.26 2.65 2.97  
SINCE JAN 1 43.87 32.61 11.26 28.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
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 0 6 -6 10  
MONTH TO DATE 15 63 -48 64  
SINCE SEP 1 15 63 -48 64  
SINCE JUL 1 34 89 -55 65  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 80 36 44 28  
SINCE SEP 1 80 36 44 28  
SINCE JAN 1 422 437 -15 542    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 1985  
MINIMUM TEMPERATURE (F) 51 27 1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:26 AM EDT SUNSET 6:43 PM EDT  
SEPTEMBER 21 2023.....SUNRISE 6:27 AM EDT SUNSET 6:41 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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