147  
CDUS41 KBOX 290957  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
557 AM EDT MON MAY 29 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 28 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 86 359 PM 92 1931 70 16 75  
2016  
MINIMUM 59 412 AM 43 1902 54 5 64  
1917  
AVERAGE 73 62 11 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.39 1906 0.11 -0.11 0.73  
MONTH TO DATE 2.25 2.91 -0.66 1.32  
SINCE MAR 1 9.64 10.71 -1.07 6.57  
SINCE JAN 1 16.23 17.31 -1.08 13.51  
 
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 0.9 10.6 -9.7 2.1  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 166 219 -53 183  
SINCE MAR 1 1334 1543 -209 1347  
SINCE JUL 1 4650 5481 -831 4969  
 
COOLING  
YESTERDAY 8 2 6 5  
MONTH TO DATE 39 23 16 41  
SINCE MAR 1 44 27 17 41  
SINCE JAN 1 44 27 17 41    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 500 AM  
LOWEST 29 200 PM  
AVERAGE 43  
   
......................................................
 
 
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 2023...........SUNRISE 512 AM EDT SUNSET 812 PM EDT  
MAY 30 2023...........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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