945  
CDUS41 KBOX 300557  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
157 AM EDT SUN APR 30 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 29 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 52 233 PM 85 1974 62 -10 57  
MINIMUM 48 606 PM 31 1909 46 2 40  
AVERAGE 50 54 -4 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.52 1923 0.11 -0.03 0.00  
MONTH TO DATE 1.29 3.51 -2.22 2.32  
SINCE MAR 1 5.58 7.68 -2.10 5.25  
SINCE JAN 1 12.17 14.28 -2.11 12.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.9 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 15 12 3 16  
MONTH TO DATE 411 484 -73 421  
SINCE MAR 1 1155 1312 -157 1147  
SINCE JUL 1 4471 5250 -779 4769  
 
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 14 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 77 800 AM  
AVERAGE 87  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 86 1942  
MINIMUM TEMPERATURE (F) 46 31 1874  
 
SUNRISE AND SUNSET  
APRIL 30 2023.........SUNRISE 541 AM EDT SUNSET 742 PM EDT  
MAY 1 2023...........SUNRISE 540 AM EDT SUNSET 744 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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