296  
CDUS41 KBOX 210532  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
132 AM EDT THU JUN 21 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 20 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 85 123 PM 98 1953 78 7 86  
MINIMUM 63 436 AM 47 1918 61 2 68  
AVERAGE 74 69 5 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.40 1945 0.11 -0.11 0.13  
MONTH TO DATE 1.12 2.71 -1.59 4.62  
SINCE JUN 1 1.12 2.71 -1.59 4.62  
SINCE JAN 1 21.40 20.87 0.53 25.45  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 59.9 43.8 16.1 47.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 54 48 6 50  
SINCE JUN 1 54 48 6 50  
SINCE JUL 1 5395 5674 -279 5254  
 
COOLING  
YESTERDAY 9 5 4 12  
MONTH TO DATE 75 72 3 102  
SINCE JUN 1 75 72 3 102  
SINCE JAN 1 148 102 46 162    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 400 AM  
LOWEST 31 100 PM  
AVERAGE 48  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 2012  
MINIMUM TEMPERATURE (F) 61 48 1940  
 
 
SUNRISE AND SUNSET  
JUNE 21 2018..........SUNRISE 507 AM EDT SUNSET 825 PM EDT  
JUNE 22 2018..........SUNRISE 508 AM EDT SUNSET 825 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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