427  
CDUS41 KBOX 250653  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
253 AM EDT THU MAY 25 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 24 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 74 338 PM 93 1964 69 5 60  
MINIMUM 48 508 AM 36 1882 53 -5 52  
AVERAGE 61 61 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.73 1951 0.11 -0.08 0.00  
MONTH TO DATE 2.25 2.46 -0.21 0.59  
SINCE MAR 1 9.64 10.26 -0.62 5.84  
SINCE JAN 1 16.23 16.86 -0.63 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 4 6 -2 9  
MONTH TO DATE 150 198 -48 175  
SINCE MAR 1 1318 1522 -204 1339  
SINCE JUL 1 4634 5460 -826 4961  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 31 16 15 30  
SINCE MAR 1 36 20 16 30  
SINCE JAN 1 36 20 16 30    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 PM  
LOWEST 37 500 PM  
AVERAGE 62  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 2007  
MINIMUM TEMPERATURE (F) 53 40 1967  
 
SUNRISE AND SUNSET  
MAY 25 2023...........SUNRISE 514 AM EDT SUNSET 808 PM EDT  
MAY 26 2023...........SUNRISE 514 AM EDT SUNSET 809 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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