562  
CDUS41 KBOX 122120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT THU MAY 12 2022  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 12 2022
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 135 PM 88 1991 65 -5 69  
2001  
MINIMUM 52 1230 AM 33 1907 49 3 48  
AVERAGE 56 57 -1 59  
 
PRECIPITATION (IN)  
TODAY 0.00 1.42 1888 0.09 -0.09 T  
MONTH TO DATE 0.37 1.24 -0.87 1.59  
SINCE MAR 1 5.62 9.04 -3.42 7.92  
SINCE JAN 1 12.56 15.64 -3.08 12.99  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.1 10.6 -8.5 0.2  
SINCE JUL 1 54.0 49.2 4.8 38.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 8 1 6  
MONTH TO DATE 139 116 23 107  
SINCE MAR 1 1303 1440 -137 1231  
SINCE JUL 1 4925 5378 -453 5008  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE MAR 1 0 8 -8 0  
SINCE JAN 1 0 8 -8 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 81 200 PM  
AVERAGE 91  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1947  
MINIMUM TEMPERATURE (F) 50 37 2020  
 
SUNRISE AND SUNSET  
MAY 12 2022...........SUNRISE 526 AM EDT SUNSET 756 PM EDT  
MAY 13 2022...........SUNRISE 525 AM EDT SUNSET 757 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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