161  
CDUS41 KBOX 290557  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
157 AM EDT SAT APR 29 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 28 2023
 
 
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)  
YESTERDAY  
MAXIMUM 57 229 PM 93 2009 61 -4 53  
MINIMUM 44 406 AM 30 1947 45 -1 39  
AVERAGE 51 53 -2 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.97 1904 0.11 -0.11 0.00  
MONTH TO DATE 1.21 3.40 -2.19 2.32  
SINCE MAR 1 5.50 7.57 -2.07 5.25  
SINCE JAN 1 12.09 14.17 -2.08 12.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.2 1987 0.0 0.0 0.0  
MONTH TO DATE 0.0 1.6 -1.6 T  
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  
YESTERDAY 14 12 2 19  
MONTH TO DATE 396 472 -76 405  
SINCE MAR 1 1140 1300 -160 1131  
SINCE JUL 1 4456 5238 -782 4753  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 0 5 0  
SINCE JAN 1 5 0 5 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 59 200 PM  
AVERAGE 74  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 1974  
MINIMUM TEMPERATURE (F) 46 31 1909  
 
SUNRISE AND SUNSET  
APRIL 29 2023.........SUNRISE 542 AM EDT SUNSET 741 PM EDT  
APRIL 30 2023.........SUNRISE 541 AM EDT SUNSET 742 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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