769
CXUS51 KBOX 092257
CLSBOS

BOSCLSBOS 000
TTAA00 BOX 092256

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
656 PM EDT TUE SEP 09 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...

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            104   07/04/1911
 LOW              41   06/01/1945
HIGHEST          102   06/24                          98
LOWEST            51   06/02                          53
AVG. MAXIMUM    80.0               79.6     0.4
AVG. MINIMUM    64.2               63.6     0.6
MEAN            72.1               71.6     0.5
DAYS MAX >= 90    19               12.6     6.4
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.0     0.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       24.89   1955
 MINIMUM        3.92   2016
TOTALS          5.16              10.39   -5.23
DAILY AVG.      0.06               0.11   -0.05
DAYS >= .01       19               29.3   -10.3
DAYS >= .10       11               18.2    -7.2
DAYS >= .50        3                6.8    -3.8
DAYS >= 1.00       2                2.5    -0.5
GREATEST
 24 HR. TOTAL   1.33   07/10 TO 07/10

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

DEGREE DAYS
HEATING TOTAL     51                 58      -7
 SINCE 7/1         7                  4       3
COOLING TOTAL    728                668      60
 SINCE 1/1       757                700      57

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        MM
LATEST                          04/09
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   2/200
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  06/20
HIGHEST GUST SPEED/DIRECTION    49/260    DATE  06/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.55
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      10
LIGHT RAIN               28     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE      2
HAZE                     12

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

$$