710  
CXUS51 KBOX 012159  
CLSBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
456 PM EST FRI MAR 01 2024  
   
...............................
 
 
...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM  
12/1/2023 TO 2/29/2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 76 12/07/1998  
LOW -18 02/09/1934  
HIGHEST 64 12/11 63  
LOWEST 14 01/20 -10  
AVG. MAXIMUM 42.6 39.4 3.2  
AVG. MINIMUM 30.1 25.6 4.5  
MEAN 36.4 32.5 3.9  
DAYS MAX >= 90 0 0.0 0.0  
DAYS MAX <= 32 6 20.6 -14.6  
DAYS MIN <= 32 55 66.3 -11.3  
DAYS MIN <= 0 0 0.6 -0.6  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 21.99 1958  
MINIMUM 3.04 1980  
TOTALS 14.27 10.90 3.37  
DAILY AVG. 0.15 NAN NAN  
DAYS >= .01 33 34.3 -1.3  
DAYS >= .10 17 20.0 -3.0  
DAYS >= .50 12 7.9 4.1  
DAYS >= 1.00 4 2.4 1.6  
GREATEST  
24 HR. TOTAL 2.47 01/09 TO 01/10  
 
SNOWFALL (INCHES)  
RECORDS  
MAXIMUM 99.4 2015  
MINIMUM 2.7 1937  
TOTALS 9.7 37.7 -28.0  
LIQUID EQUIV 1.00  
SINCE 7/1 9.7 38.6 -28.9  
DAYS >= TRACE 15 17.0 -2.0  
DAYS >= 1.0 2 8.3 -6.3  
GREATEST  
24 HR TOTAL 3.8 01/07 TO 01/07  
 
DEGREE DAYS  
HEATING TOTAL 2581 2924 -343  
SINCE 7/1 3485 3998 -513  
COOLING TOTAL 0 0 0  
SINCE 1/1 0 0 0  
 
FREEZE DATES  
RECORD  
EARLIEST 10/05/1881  
LATEST 05/03/1882  
EARLIEST 11/12  
LATEST 04/03    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.9  
RESULTANT WIND SPEED/DIRECTION 4/290  
HIGHEST WIND SPEED/DIRECTION 53/160 DATE 12/18  
HIGHEST GUST SPEED/DIRECTION 68/160 DATE 12/18  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.64  
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 35  
NUMBER OF DAYS CLOUDY 39  
 
AVERAGE RH (PERCENT) 71  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 2  
HEAVY RAIN 8 RAIN 16  
LIGHT RAIN 33 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 1 SNOW 3  
LIGHT SNOW 18 SLEET 3  
FOG 40 FOG W/VIS <= 1/4 MILE 6  
HAZE 5  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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