822  
CDUS41 KBOX 110528  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
128 AM EDT WED MAY 11 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 10 2022
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 227 PM 94 1896 65 -7 63  
1979  
MINIMUM 45 251 AM 34 1900 49 -4 49  
1902  
2020  
AVERAGE 52 57 -5 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1998 0.10 -0.10 0.34  
MONTH TO DATE 0.37 1.05 -0.68 1.59  
SINCE MAR 1 5.62 8.85 -3.23 7.92  
SINCE JAN 1 12.56 15.45 -2.89 12.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 1977 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.1 10.6 -8.5 0.2  
SINCE JUL 1 54.0 49.2 4.8 38.6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9 4 9  
MONTH TO DATE 130 100 30 95  
SINCE MAR 1 1294 1424 -130 1219  
SINCE JUL 1 4916 5362 -446 4996  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 0 6 -6 0  
SINCE JAN 1 0 6 -6 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 15.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 700 PM  
LOWEST 30 200 PM  
AVERAGE 46  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 91 1993  
MINIMUM TEMPERATURE (F) 49 33 1900  
 
SUNRISE AND SUNSET  
MAY 11 2022...........SUNRISE 527 AM EDT SUNSET 755 PM EDT  
MAY 12 2022...........SUNRISE 526 AM EDT SUNSET 756 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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