808  
CDUS41 KBOX 290527  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
127 AM EDT THU MAY 29 2025  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 28 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 302 PM 92 1931 70 7 84  
2016  
MINIMUM 58 441 AM 43 1902 54 4 66  
1917  
AVERAGE 68 62 6 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.39 1906 0.11 -0.11 0.14  
MONTH TO DATE 7.01 2.91 4.10 3.33  
SINCE MAR 1 14.24 10.71 3.53 15.23  
SINCE JAN 1 19.55 17.31 2.24 23.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1953 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 10.6 -10.6 0.1  
SINCE JUL 1 28.1 49.2 -21.1 9.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 187 219 -32 192  
SINCE MAR 1 1306 1543 -237 1373  
SINCE JUL 1 5065 5481 -416 4858  
 
COOLING  
YESTERDAY 3 2 1 10  
MONTH TO DATE 19 23 -4 41  
SINCE MAR 1 25 27 -2 41  
SINCE JAN 1 25 27 -2 41    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.0  
 
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 72 200 AM  
LOWEST 36 600 PM  
AVERAGE 54  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 1929  
1931  
MINIMUM TEMPERATURE (F) 54 39 1902  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 511 AM EDT SUNSET 812 PM EDT  
MAY 30 2025...........SUNRISE 511 AM EDT SUNSET 813 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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