027  
CDUS41 KBOX 190639  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
239 AM EDT THU MAY 19 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 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 73 433 PM 95 2017 67 6 84  
MINIMUM 54 502 AM 37 2002 51 3 59  
AVERAGE 64 59 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 2007 0.10 -0.10 T  
MONTH TO DATE 0.47 1.82 -1.35 1.60  
SINCE MAR 1 5.72 9.62 -3.90 7.93  
SINCE JAN 1 12.66 16.22 -3.56 13.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
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 1 7 -6 0  
MONTH TO DATE 152 161 -9 111  
SINCE MAR 1 1316 1485 -169 1235  
SINCE JUL 1 4938 5423 -485 5012  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 22 10 12 16  
SINCE MAR 1 22 14 8 16  
SINCE JAN 1 22 14 8 16    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 400 AM  
LOWEST 15 600 PM  
AVERAGE 40  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1949  
1986  
2017  
MINIMUM TEMPERATURE (F) 51 38 1882  
 
SUNRISE AND SUNSET  
MAY 19 2022...........SUNRISE 519 AM EDT SUNSET 803 PM EDT  
MAY 20 2022...........SUNRISE 518 AM EDT SUNSET 804 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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