103  
CDUS41 KBOX 280526  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
126 AM EDT SUN MAY 28 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 27 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 75 101 PM 96 1880 70 5 82  
MINIMUM 51 448 AM 39 1915 53 -2 60  
AVERAGE 63 62 1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.48 1961 0.11 -0.11 T  
MONTH TO DATE 2.25 2.80 -0.55 0.59  
SINCE MAR 1 9.64 10.60 -0.96 5.84  
SINCE JAN 1 16.23 17.20 -0.97 12.78  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 2 5 -3 0  
MONTH TO DATE 166 214 -48 183  
SINCE MAR 1 1334 1538 -204 1347  
SINCE JUL 1 4650 5476 -826 4969  
 
COOLING  
YESTERDAY 0 2 -2 6  
MONTH TO DATE 31 21 10 36  
SINCE MAR 1 36 25 11 36  
SINCE JAN 1 36 25 11 36    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 30 900 AM  
AVERAGE 60  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1931  
2016  
MINIMUM TEMPERATURE (F) 54 43 1902  
1917  
 
SUNRISE AND SUNSET  
MAY 28 2023...........SUNRISE 512 AM EDT SUNSET 811 PM EDT  
MAY 29 2023...........SUNRISE 512 AM EDT SUNSET 812 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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