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.

$$