593  
CDUS41 KBOX 300533  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
132 AM EDT TUE APR 30 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 29 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 63 248 PM 85 1974 61 2 60  
MINIMUM 43 440 AM 31 1909 45 -2 43  
AVERAGE 53 53 0 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1923 0.11 -0.11 0.05  
MONTH TO DATE 6.38 3.62 2.76 4.42  
SINCE MAR 1 9.33 7.94 1.39 9.49  
SINCE JAN 1 16.40 14.55 1.85 18.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.9 1987 0.0 0.0 0.0  
MONTH TO DATE T 1.9 -1.9 1.3  
SINCE MAR 1 13.5 9.7 3.8 24.6  
SINCE JUL 1 27.4 43.8 -16.4 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 13 -1 13  
MONTH TO DATE 382 498 -116 562  
SINCE MAR 1 1178 1327 -149 1415  
SINCE JUL 1 4984 5369 -385 5167  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE MAR 1 8 0 8 0  
SINCE JAN 1 8 0 8 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.4  
 
 
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 1200 AM  
LOWEST 19 300 PM  
AVERAGE 42  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 86 1942  
MINIMUM TEMPERATURE (F) 45 31 1874  
 
 
SUNRISE AND SUNSET  
APRIL 30 2019.........SUNRISE 541 AM EDT SUNSET 742 PM EDT  
MAY 1 2019...........SUNRISE 540 AM EDT SUNSET 743 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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