907  
CDUS41 KBOX 132123  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
523 PM EDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 13 2023
 
 
VALID TODAY 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 82 228 PM 87 1947 66 16 79  
MINIMUM 63 220 AM 37 2020 50 13 51  
AVERAGE 73 58 15 65  
 
PRECIPITATION (IN)  
TODAY 0.00 3.84 2006 0.10 -0.10 0.00  
MONTH TO DATE 0.28 1.34 -1.06 0.37  
SINCE MAR 1 7.67 9.14 -1.47 5.62  
SINCE JAN 1 14.26 15.74 -1.48 12.56  
 
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 0.9 10.6 -9.7 2.1  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 0  
MONTH TO DATE 83 124 -41 151  
SINCE MAR 1 1251 1448 -197 1315  
SINCE JUL 1 4567 5386 -819 4937  
 
COOLING  
TODAY 8 1 7 0  
MONTH TO DATE 23 5 18 0  
SINCE MAR 1 28 9 19 0  
SINCE JAN 1 28 9 19 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 300 AM  
LOWEST 13 300 PM  
AVERAGE 33  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 1879  
2022  
MINIMUM TEMPERATURE (F) 50 37 1895  
 
SUNRISE AND SUNSET  
MAY 13 2023...........SUNRISE 525 AM EDT SUNSET 757 PM EDT  
MAY 14 2023...........SUNRISE 524 AM EDT SUNSET 758 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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