770  
CDUS41 KBOX 212147  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
537 PM EDT SAT JUL 21 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 21 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 1258 PM 102 1977 82 -8 91  
MINIMUM 63 450 AM 52 1890 66 -3 73  
AVERAGE 69 74 -5 82  
 
PRECIPITATION (IN)  
TODAY 0.00 2.33 1938 0.12 -0.12 0.00  
MONTH TO DATE 3.61 2.21 1.40 2.57  
SINCE JUN 1 6.57 5.89 0.68 7.42  
SINCE JAN 1 26.85 24.05 2.80 28.25  
 
SNOWFALL (IN)  
TODAY 0.0 T 1954 0.0 0.0 0.0  
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 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 56 55 1 52  
SINCE JUL 1 0 0 0 2  
 
COOLING  
TODAY 4 9 -5 17  
MONTH TO DATE 214 178 36 206  
SINCE JUN 1 355 314 41 397  
SINCE JAN 1 428 344 84 457    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 200 AM  
LOWEST 53 900 AM  
AVERAGE 66  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 103 2011  
1926  
MINIMUM TEMPERATURE (F) 66 55 1890  
 
 
SUNRISE AND SUNSET  
JULY 21 2018..........SUNRISE 526 AM EDT SUNSET 815 PM EDT  
JULY 22 2018..........SUNRISE 527 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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