382  
CDUS41 KBOX 200702  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
302 AM EDT FRI MAY 20 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 19 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 64 239 AM 90 1949 67 -3 72  
1986  
2017  
MINIMUM 53 626 PM 38 1882 51 2 58  
AVERAGE 59 59 0 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.55 1900 0.10 -0.09 0.00  
MONTH TO DATE 0.48 1.92 -1.44 1.60  
SINCE MAR 1 5.73 9.72 -3.99 7.93  
SINCE JAN 1 12.67 16.32 -3.65 13.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
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 6 7 -1 0  
MONTH TO DATE 158 168 -10 111  
SINCE MAR 1 1322 1492 -170 1235  
SINCE JUL 1 4944 5430 -486 5012  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 22 11 11 16  
SINCE MAR 1 22 15 7 16  
SINCE JAN 1 22 15 7 16    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 PM  
LOWEST 35 400 AM  
AVERAGE 66  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1996  
MINIMUM TEMPERATURE (F) 51 40 1892  
 
SUNRISE AND SUNSET  
MAY 20 2022...........SUNRISE 518 AM EDT SUNSET 804 PM EDT  
MAY 21 2022...........SUNRISE 517 AM EDT SUNSET 805 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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