023  
CDUS41 KBOX 130324  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1124 PM EDT THU MAY 12 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 11 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 60 235 PM 91 1993 65 -5 66  
MINIMUM 46 321 AM 33 1900 49 -3 51  
AVERAGE 53 57 -4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1989 0.10 -0.10 0.00  
MONTH TO DATE 0.37 1.15 -0.78 1.59  
SINCE MAR 1 5.62 8.95 -3.33 7.92  
SINCE JAN 1 12.56 15.55 -2.99 12.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1945 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 12 8 4 6  
MONTH TO DATE 142 108 34 101  
SINCE MAR 1 1306 1432 -126 1225  
SINCE JUL 1 4928 5370 -442 5002  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 0 7 -7 0  
SINCE JAN 1 0 7 -7 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 54 800 AM  
AVERAGE 76  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 88 1991  
2001  
MINIMUM TEMPERATURE (F) 49 33 1907  
 
SUNRISE AND SUNSET  
MAY 12 2022...........SUNRISE 526 AM EDT SUNSET 756 PM EDT  
MAY 13 2022...........SUNRISE 525 AM EDT SUNSET 757 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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