291
CXUS51 KBOX 032008
CLSBOS
BOSCLSBOS 000
TTAA00 BOX 032007
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
307 PM EST WED DEC 03 2025
...............................
...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2025 TO 11/30/2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 102 09/07/1881
LOW -2 11/30/1875
HIGHEST 86 09/06 83
LOWEST 31 11/23 31
AVG. MAXIMUM 62.5 62.3 0.2
AVG. MINIMUM 48.9 47.9 1.0
MEAN 55.7 55.1 0.6
DAYS MAX >= 90 0 0.8 -0.8
DAYS MAX <= 32 0 0.3 -0.3
DAYS MIN <= 32 3 7.0 -4.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.17 1878
MINIMUM 3.36 1946
TOTALS 9.80 11.25 -1.45
DAILY AVG. 0.11 0.12 -0.01
DAYS >= .01 29 29.8 -0.8
DAYS >= .10 20 18.4 1.6
DAYS >= .50 7 7.5 -0.5
DAYS >= 1.00 2 3.0 -1.0
GREATEST
24 HR. TOTAL 1.92 10/12 TO 10/13
SNOWFALL (INCHES)
RECORDS
TOTAL 17.8 1898
TOTALS T 0.9 -0.9
LIQUID EQUIV T
SINCE 7/1 T 0.9 -0.9
DAYS >= TRACE 1 0.8 0.2
DAYS >= 1.0 0 0.3 -0.3
GREATEST
24 HR TOTAL T 11/23 TO 11/23
DEGREE DAYS
HEATING TOTAL 930 1005 -75
SINCE 7/1 937 1014 -77
COOLING TOTAL 108 100 8
SINCE 1/1 865 800 65
FREEZE DATES
RECORD
EARLIEST 10/05/1881
LATEST 05/03/1882
EARLIEST 11/20
LATEST 04/09
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 10.7
RESULTANT WIND SPEED/DIRECTION 3/270
HIGHEST WIND SPEED/DIRECTION 36/260 DATE 11/01
HIGHEST GUST SPEED/DIRECTION 52/280 DATE 10/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.56
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 38
NUMBER OF DAYS CLOUDY 26
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 14
LIGHT RAIN 32 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 25 FOG W/VIS <= 1/4 MILE 2
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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