201  
CDUS41 KBOX 260537  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
137 AM EDT FRI MAY 26 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 25 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 66 156 PM 92 2007 69 -3 69  
MINIMUM 51 559 AM 40 1967 53 -2 50  
AVERAGE 59 61 -2 60  
 
PRECIPITATION (IN)  
YESTERDAY T 2.63 1967 0.12 -0.12 0.00  
MONTH TO DATE 2.25 2.58 -0.33 0.59  
SINCE MAR 1 9.64 10.38 -0.74 5.84  
SINCE JAN 1 16.23 16.98 -0.75 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 6 6 0 5  
MONTH TO DATE 156 204 -48 180  
SINCE MAR 1 1324 1528 -204 1344  
SINCE JUL 1 4640 5466 -826 4966  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 31 17 14 30  
SINCE MAR 1 36 21 15 30  
SINCE JAN 1 36 21 15 30    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 200 AM  
LOWEST 33 200 PM  
AVERAGE 58  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 97 1880  
MINIMUM TEMPERATURE (F) 53 39 1882  
 
SUNRISE AND SUNSET  
MAY 26 2023...........SUNRISE 514 AM EDT SUNSET 809 PM EDT  
MAY 27 2023...........SUNRISE 513 AM EDT SUNSET 810 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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