827  
CDUS41 KBOX 010620  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
220 AM EDT FRI JUN 1 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 31 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 207 PM 96 1944 71 12 68  
MINIMUM 56 417 AM 39 1884 55 1 54  
AVERAGE 70 63 7 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.12 1984 0.12 -0.12 0.06  
MONTH TO DATE 1.90 3.49 -1.59 3.45  
SINCE MAR 1 11.59 11.55 0.04 13.36  
SINCE JAN 1 20.28 18.16 2.12 20.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
2000  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 24.6 9.7 14.9 11.3  
SINCE JUL 1 59.9 43.8 16.1 47.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 4  
MONTH TO DATE 153 245 -92 304  
SINCE MAR 1 1589 1584 5 1665  
SINCE JUL 1 5341 5626 -285 5204  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 73 27 46 41  
SINCE MAR 1 73 30 43 60  
SINCE JAN 1 73 30 43 60    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 26 100 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 1879  
MINIMUM TEMPERATURE (F) 55 41 1945  
 
 
SUNRISE AND SUNSET  
JUNE 1 2018..........SUNRISE 510 AM EDT SUNSET 814 PM EDT  
JUNE 2 2018..........SUNRISE 509 AM EDT SUNSET 815 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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