387  
CDUS41 KBOX 200528  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
128 AM EDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 19 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 65 250 PM 96 1923 78 -13 63  
MINIMUM 58 1159 PM 47 1920 61 -3 51  
AVERAGE 62 69 -7 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.32 1922 0.13 -0.13 0.31  
MONTH TO DATE 2.29 2.60 -0.31 1.68  
SINCE JUN 1 2.29 2.60 -0.31 1.68  
SINCE JAN 1 18.52 20.25 -1.73 15.19  
 
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 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 3 1 2 8  
MONTH TO DATE 64 44 20 30  
SINCE JUN 1 64 44 20 30  
SINCE JUL 1 4731 5540 -809 4999  
 
COOLING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 37 65 -28 72  
SINCE JUN 1 37 65 -28 72  
SINCE JAN 1 81 98 -17 127    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 72 200 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 1953  
MINIMUM TEMPERATURE (F) 61 47 1918  
 
SUNRISE AND SUNSET  
JUNE 20 2023..........SUNRISE 507 AM EDT SUNSET 824 PM EDT  
JUNE 21 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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