Climatological Report (Daily)
Issued by NWS Boston, MA

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073
CDUS41 KBOX 220529
CLIBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT TUE SEP 22 2026

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 21 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         65    114 PM  94    1895  71     -6       66
  MINIMUM         55    708 AM  40    1904  56     -1       51
                                      1929
  AVERAGE         60                        64     -4       59

PRECIPITATION (IN)
  YESTERDAY        0.01          2.77 1961   0.13  -0.12     0.00
  MONTH TO DATE    1.81                      2.41  -0.60     1.55
  SINCE SEP 1      1.81                      2.41  -0.60     1.55
  SINCE JAN 1     19.37                     30.45 -11.08    26.50

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0
                                      2001
                                      2002
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        5                         3      2        6
  MONTH TO DATE   25                        31     -6       29
  SINCE SEP 1     25                        31     -6       29
  SINCE JUL 1     25                        40    -15       36

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   77                        78     -1       45
  SINCE SEP 1     77                        78     -1       45
  SINCE JAN 1    994                       778    216      802
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NE (30)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    10.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           200 AM
 LOWEST     60          1100 AM
 AVERAGE    79

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        94      1895
 MINIMUM TEMPERATURE (F)   56        35      1904


SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE   631 AM EDT   SUNSET   641 PM EDT
SEPTEMBER 23 2026.....SUNRISE   633 AM EDT   SUNSET   640 PM EDT


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




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