968  
CDUS41 KBOX 202125  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
525 PM EDT FRI MAY 20 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 20 2022
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 60 256 PM 91 1996 68 -8 69  
MINIMUM 52 723 AM 40 1892 51 1 55  
AVERAGE 56 60 -4 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.23 1969 0.11 -0.11 0.00  
MONTH TO DATE 0.48 2.03 -1.55 1.60  
SINCE MAR 1 5.73 9.83 -4.10 7.93  
SINCE JAN 1 12.67 16.43 -3.76 13.00  
 
SNOWFALL (IN)  
TODAY 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  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 6 3 3  
MONTH TO DATE 167 174 -7 114  
SINCE MAR 1 1331 1498 -167 1238  
SINCE JUL 1 4953 5436 -483 5015  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 22 12 10 16  
SINCE MAR 1 22 16 6 16  
SINCE JAN 1 22 16 6 16    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 77 200 PM  
AVERAGE 89  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 1921  
MINIMUM TEMPERATURE (F) 52 41 1907  
 
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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