267  
CDUS41 KBOX 170530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
130 AM EDT THU AUG 17 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 16 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 70 MM 97 1944 81 -11 77  
MINIMUM 66 MM 47 1880 65 1 64  
AVERAGE 68 73 -5 71  
 
PRECIPITATION (IN)  
YESTERDAY T 1.77 1872 0.11 -0.11 0.00  
MONTH TO DATE 2.21 1.75 0.46 0.26  
SINCE JUN 1 16.08 8.91 7.17 3.21  
SINCE JAN 1 32.31 26.56 5.75 16.72  
 
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 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 74 54 20 36  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 3 8 -5 6  
MONTH TO DATE 137 139 -2 200  
SINCE JUN 1 575 561 14 726  
SINCE JAN 1 619 594 25 781    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 84 100 PM  
AVERAGE 90  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1944  
MINIMUM TEMPERATURE (F) 65 51 1934  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 553 AM EDT SUNSET 743 PM EDT  
AUGUST 18 2023........SUNRISE 554 AM EDT SUNSET 741 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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