587  
CDUS41 KGYX 190813  
CLIPWM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAY ME  
413 AM EDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE PORTLAND ME CLIMATE SUMMARY FOR MAY 18 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 59 12:23 PM 93 2017 65 -6 68  
MINIMUM 30R 4:52 AM 31 1981 46 -16 47  
AVERAGE 45 56 -11 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 1945 0.10 -0.10 0.00  
MONTH TO DATE 1.36 2.11 -0.75 0.69  
SINCE MAR 1 9.69 10.60 -0.91 8.75  
SINCE JAN 1 19.15 17.64 1.51 15.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1939 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 14.0 16.4 -2.4 3.0  
SINCE JUL 1 56.5 68.7 -12.2 44.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 10 10 7  
MONTH TO DATE 191 220 -29 215  
SINCE MAR 1 1677 1789 -112 1710  
SINCE JUL 1 6014 6600 -586 6323  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 6  
SINCE MAR 1 0 1 -1 6  
SINCE JAN 1 0 1 -1 6    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 9:00 PM  
LOWEST 28 12:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE PORTLAND ME CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1949  
MINIMUM TEMPERATURE (F) 47 28 1951  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 5:12 AM EDT SUNSET 8:04 PM EDT  
MAY 20 2023...........SUNRISE 5:11 AM EDT SUNSET 8:05 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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