750  
CDUS41 KBOX 170621  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
221 AM EDT TUE MAY 17 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 16 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 79 309 PM 93 1932 67 12 79  
MINIMUM 58 1048 AM 34 1936 50 8 58  
AVERAGE 69 58 11 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 4.47 1954 0.10 -0.01 0.01  
MONTH TO DATE 0.47 1.63 -1.16 1.60  
SINCE MAR 1 5.72 9.43 -3.71 7.93  
SINCE JAN 1 12.66 16.03 -3.37 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 0 7 -7 0  
MONTH TO DATE 151 147 4 111  
SINCE MAR 1 1315 1471 -156 1235  
SINCE JUL 1 4937 5409 -472 5012  
 
COOLING  
YESTERDAY 4 1 3 4  
MONTH TO DATE 21 8 13 9  
SINCE MAR 1 21 12 9 9  
SINCE JAN 1 21 12 9 9    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 58 300 PM  
AVERAGE 77  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1977  
2017  
MINIMUM TEMPERATURE (F) 51 39 1882  
 
SUNRISE AND SUNSET  
MAY 17 2022...........SUNRISE 521 AM EDT SUNSET 801 PM EDT  
MAY 18 2022...........SUNRISE 520 AM EDT SUNSET 802 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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