107  
CDUS41 KBOX 160540  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
140 AM EDT SUN APR 16 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 15 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 57 306 PM 82 1896 56 1 67  
MINIMUM 47 438 AM 28 1943 41 6 46  
AVERAGE 52 48 4 57  
 
PRECIPITATION (IN)  
YESTERDAY T 2.05 1903 0.12 -0.12 0.00  
MONTH TO DATE 0.36 1.95 -1.59 1.05  
SINCE MAR 1 4.65 6.12 -1.47 3.98  
SINCE JAN 1 11.24 12.72 -1.48 10.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 1916 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.4 -1.4 T  
SINCE MAR 1 0.9 10.4 -9.5 2.1  
SINCE JUL 1 12.4 49.0 -36.6 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 17 -4 8  
MONTH TO DATE 206 289 -83 217  
SINCE MAR 1 950 1117 -167 943  
SINCE JUL 1 4266 5055 -789 4565  
 
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 8 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.5  
 
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 100 1100 PM  
LOWEST 77 200 PM  
AVERAGE 89  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 87 2012  
MINIMUM TEMPERATURE (F) 41 28 1908  
1928  
1943  
 
SUNRISE AND SUNSET  
APRIL 16 2023.........SUNRISE 602 AM EDT SUNSET 727 PM EDT  
APRIL 17 2023.........SUNRISE 600 AM EDT SUNSET 728 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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