342  
CDUS41 KBOX 130526  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
126 AM EDT MON MAY 13 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 12 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 553 PM 88 1991 65 -8 85  
2001  
MINIMUM 44 454 AM 33 1907 49 -5 57  
AVERAGE 51 57 -6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1888 0.09 -0.09 T  
MONTH TO DATE 1.33 1.24 0.09 0.28  
SINCE MAR 1 13.23 9.04 4.19 7.67  
SINCE JAN 1 21.52 15.64 5.88 14.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.1 10.6 -10.5 0.9  
SINCE JUL 1 9.8 49.2 -39.4 12.4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 8 6 0  
MONTH TO DATE 138 116 22 83  
SINCE MAR 1 1319 1440 -121 1251  
SINCE JUL 1 4804 5378 -574 4567  
 
COOLING  
YESTERDAY 0 1 -1 6  
MONTH TO DATE 0 4 -4 15  
SINCE MAR 1 0 8 -8 20  
SINCE JAN 1 0 8 -8 20    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 59 1000 AM  
AVERAGE 73  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1947  
MINIMUM TEMPERATURE (F) 50 37 2020  
 
SUNRISE AND SUNSET  
MAY 13 2024...........SUNRISE 524 AM EDT SUNSET 757 PM EDT  
MAY 14 2024...........SUNRISE 523 AM EDT SUNSET 758 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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