566  
CDUS41 KGYX 170831  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
431 AM EDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR MAY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1941 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 3:45 PM 90 1951 64 4 67  
MINIMUM 53 11:59 PM 28 1947 46 7 48  
AVERAGE 61 55 6 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1978 0.11 -0.11 T  
MONTH TO DATE 4.37 1.90 2.47 0.85  
SINCE MAR 1 13.36 10.39 2.97 16.22  
SINCE JAN 1 18.52 17.43 1.09 24.81  
 
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 MAR 1 5.5 16.4 -10.9 13.7  
SINCE JUL 1 54.1 68.7 -14.6 38.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 10 -6 7  
MONTH TO DATE 184 200 -16 217  
SINCE MAR 1 1672 1769 -97 1662  
SINCE JUL 1 6447 6580 -133 5995  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 81 5:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 90 1977  
MINIMUM TEMPERATURE (F) 46 27 1957  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:14 AM EDT SUNSET 8:02 PM EDT  
MAY 18 2025...........SUNRISE 5:13 AM EDT SUNSET 8:03 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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