341  
CDUS41 KBOX 180540  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
140 AM EDT SUN JUN 18 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 232 AM 95 1894 77 -10 86  
MINIMUM 58 803 PM 48 1926 60 -2 67  
AVERAGE 63 69 -6 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.77 2.26 2001 0.14 0.63 T  
MONTH TO DATE 1.90 2.33 -0.43 1.37  
SINCE JUN 1 1.90 2.33 -0.43 1.37  
SINCE JAN 1 18.13 19.98 -1.85 14.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1952 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 59 42 17 21  
SINCE JUN 1 59 42 17 21  
SINCE JUL 1 4726 5538 -812 4990  
 
COOLING  
YESTERDAY 0 5 -5 12  
MONTH TO DATE 37 55 -18 72  
SINCE JUN 1 37 55 -18 72  
SINCE JAN 1 81 88 -7 127    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 PM  
LOWEST 73 1200 AM  
AVERAGE 85  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1907  
1929  
MINIMUM TEMPERATURE (F) 61 47 1920  
 
SUNRISE AND SUNSET  
JUNE 18 2023..........SUNRISE 507 AM EDT SUNSET 824 PM EDT  
JUNE 19 2023..........SUNRISE 507 AM EDT SUNSET 824 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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