501  
CDUS41 KBOX 300558  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
158 AM EDT WED MAY 30 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 29 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 1120 AM 94 1931 70 15 54  
1929  
MINIMUM 58 237 AM 39 1902 54 4 49  
AVERAGE 72 62 10 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.63 1990 0.13 -0.13 0.05  
MONTH TO DATE 1.90 3.24 -1.34 3.39  
SINCE MAR 1 11.59 11.30 0.29 13.30  
SINCE JAN 1 20.28 17.91 2.37 20.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1949 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 24.6 9.8 14.8 11.3  
SINCE JUL 1 59.9 43.9 16.0 47.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 13  
MONTH TO DATE 154 237 -83 289  
SINCE MAR 1 1590 1576 14 1650  
SINCE JUL 1 5342 5618 -276 5189  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 68 19 49 41  
SINCE MAR 1 68 22 46 60  
SINCE JAN 1 68 22 46 60    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 48 1100 AM  
AVERAGE 73  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 1929  
MINIMUM TEMPERATURE (F) 54 35 1884  
 
 
SUNRISE AND SUNSET  
MAY 30 2018...........SUNRISE 511 AM EDT SUNSET 813 PM EDT  
MAY 31 2018...........SUNRISE 510 AM EDT SUNSET 814 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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