413  
CDUS41 KBOX 162143  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
543 PM EDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 16 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 215 PM 93 1932 67 14 79  
MINIMUM 61 616 AM 34 1936 50 11 58  
AVERAGE 71 58 13 69  
 
PRECIPITATION (IN)  
TODAY 0.00 4.47 1954 0.10 -0.10 0.09  
MONTH TO DATE 0.28 1.63 -1.35 0.47  
SINCE MAR 1 7.67 9.43 -1.76 5.72  
SINCE JAN 1 14.26 16.03 -1.77 12.66  
 
SNOWFALL (IN)  
TODAY 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 0.9 10.6 -9.7 2.1  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 7 -7 0  
MONTH TO DATE 91 147 -56 151  
SINCE MAR 1 1259 1471 -212 1315  
SINCE JUL 1 4575 5409 -834 4937  
 
COOLING  
TODAY 6 1 5 4  
MONTH TO DATE 27 8 19 21  
SINCE MAR 1 32 12 20 21  
SINCE JAN 1 32 12 20 21    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 15.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 39 700 AM  
LOWEST 20 400 PM  
AVERAGE 30  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1977  
2017  
MINIMUM TEMPERATURE (F) 51 39 1882  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 522 AM EDT SUNSET 800 PM EDT  
MAY 17 2023...........SUNRISE 521 AM EDT SUNSET 801 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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