022  
CDUS41 KBOX 110530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
129 AM EDT SAT MAY 11 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 10 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 630 PM 94 1979 64 2 71  
1896  
MINIMUM 51 628 AM 34 1902 48 3 49  
1900  
AVERAGE 59 56 3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.43 1998 0.10 -0.09 T  
MONTH TO DATE 0.41 1.05 -0.64 0.28  
SINCE MAR 1 9.88 9.11 0.77 9.97  
SINCE JAN 1 16.95 15.72 1.23 18.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 1977 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 13.5 9.8 3.7 24.6  
SINCE JUL 1 27.4 43.9 -16.5 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 9 -3 5  
MONTH TO DATE 116 107 9 52  
SINCE MAR 1 1310 1446 -136 1488  
SINCE JUL 1 5116 5488 -372 5240  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 27  
SINCE MAR 1 8 3 5 27  
SINCE JAN 1 8 3 5 27    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 PM  
LOWEST 50 1200 AM  
AVERAGE 67  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 91 1993  
MINIMUM TEMPERATURE (F) 48 33 1900  
 
 
SUNRISE AND SUNSET  
MAY 11 2019...........SUNRISE 527 AM EDT SUNSET 754 PM EDT  
MAY 12 2019...........SUNRISE 526 AM EDT SUNSET 755 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page