119
CXUS51 KBOX 011909
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
309 PM EDT SAT NOV 01 2025

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             90   10/01/1881
                       10/12/1954
                       10/07/1963
 LOW              25   12/31/1999
HIGHEST           84   10/06                          83
LOWEST            40   10/27                          36
AVG. MAXIMUM    63.1               62.1     1.0
AVG. MINIMUM    49.6               47.5     2.1
MEAN            56.4               54.8     1.6
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.2    -0.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.66   1996
 MINIMUM        0.06   1924
TOTALS          4.96               4.03    0.93
DAILY AVG.      0.16               0.13    0.03
DAYS >= .01        8               10.5    -2.5
DAYS >= .10        8                6.0     2.0
DAYS >= .50        4                2.8     1.2
DAYS >= 1.00       1                1.3    -0.3
GREATEST
 24 HR. TOTAL   1.92   10/12 TO 10/13

SNOWFALL (INCHES)
RECORDS
 TOTAL           4.3   2020
TOTALS           0.0                0.2    -0.2
 LIQUID EQUIV   0.00
SINCE 7/1        0.0                0.2    -0.2
DAYS >= TRACE      0                0.2    -0.2
DAYS >= 1.0        0                0.1    -0.1
GREATEST
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    282                326     -44
 SINCE 7/1       321                405     -84
COOLING TOTAL     23                  9      14
 SINCE 1/1       865                800      65
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION   2/330
HIGHEST WIND SPEED/DIRECTION    36/260    DATE  10/31
HIGHEST GUST SPEED/DIRECTION    52/280    DATE  10/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$