170  
CDUS41 KGYX 220803  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
403 AM EDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 21 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 73 1:30 PM 91 1978 69 4 67  
MINIMUM 50 6:13 AM 30 1964 50 0 48  
AVERAGE 62 60 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 1974 0.13 -0.13 0.00  
MONTH TO DATE 4.91 2.52 2.39 3.00  
SINCE SEP 1 4.91 2.52 2.39 3.00  
SINCE JAN 1 43.87 32.87 11.00 28.41  
 
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 3 6 -3 7  
MONTH TO DATE 20 75 -55 80  
SINCE SEP 1 20 75 -55 80  
SINCE JUL 1 39 101 -62 81  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 80 38 42 28  
SINCE SEP 1 80 38 42 28  
SINCE JAN 1 422 439 -17 542    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 1965  
MINIMUM TEMPERATURE (F) 50 27 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 6:28 AM EDT SUNSET 6:39 PM EDT  
SEPTEMBER 23 2023.....SUNRISE 6:29 AM EDT SUNSET 6:37 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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