697  
CDUS41 KBOX 220541  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
141 AM EDT WED MAY 22 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 21 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 84 255 PM 93 1921 68 16 76  
MINIMUM 53 341 AM 41 1907 52 1 61  
AVERAGE 69 60 9 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.24 1889 0.10 -0.10 0.11  
MONTH TO DATE 2.72 2.13 0.59 2.22  
SINCE MAR 1 14.62 9.93 4.69 9.61  
SINCE JAN 1 22.91 16.53 6.38 16.20  
 
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 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 0 6 -6 0  
MONTH TO DATE 192 180 12 127  
SINCE MAR 1 1373 1504 -131 1295  
SINCE JUL 1 4858 5442 -584 4611  
 
COOLING  
YESTERDAY 4 1 3 4  
MONTH TO DATE 4 13 -9 31  
SINCE MAR 1 4 17 -13 36  
SINCE JAN 1 4 17 -13 36    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 49 300 PM  
AVERAGE 73  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 1959  
MINIMUM TEMPERATURE (F) 52 39 1894  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 516 AM EDT SUNSET 806 PM EDT  
MAY 23 2024...........SUNRISE 515 AM EDT SUNSET 807 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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