326  
CDUS41 KBOX 302120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT SUN APR 30 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 30 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 51 359 PM 86 1942 62 -11 54  
MINIMUM 49 725 AM 31 1874 46 3 41  
AVERAGE 50 54 -4 48  
 
PRECIPITATION (IN)  
TODAY 0.80 1.44 1921 0.12 0.68 0.00  
MONTH TO DATE 2.09 3.63 -1.54 2.32  
SINCE MAR 1 6.38 7.80 -1.42 5.25  
SINCE JAN 1 12.97 14.40 -1.43 12.19  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
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  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 15 12 3 17  
MONTH TO DATE 426 496 -70 438  
SINCE MAR 1 1170 1324 -154 1164  
SINCE JUL 1 4486 5262 -776 4786  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 5 4 1 0  
SINCE MAR 1 5 4 1 0  
SINCE JAN 1 5 4 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 17.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 92 200 PM  
AVERAGE 95  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 89 1899  
MINIMUM TEMPERATURE (F) 46 33 1880  
 
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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