Climatological Report (Daily)
Issued by NWS Boston, MA

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493
CDUS41 KBOX 160615
CLIBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
215 AM EDT WED SEP 16 2026

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 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         66   1159 AM  94    1915  74     -8       72
  MINIMUM         53    451 AM  41    1913  59     -6       60
  AVERAGE         60                        66     -6       66

PRECIPITATION (IN)
  YESTERDAY        0.00          3.48 1904   0.12  -0.12     0.00
  MONTH TO DATE    1.70                      1.64   0.06     1.43
  SINCE SEP 1      1.70                      1.64   0.06     1.43
  SINCE JAN 1     19.26                     29.68 -10.42    26.38

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                         2      3        0
  MONTH TO DATE    7                        16     -9       14
  SINCE SEP 1      7                        16     -9       14
  SINCE JUL 1      7                        25    -18       21

 COOLING
  YESTERDAY        0                         3     -3        1
  MONTH TO DATE   63                        64     -1       35
  SINCE SEP 1     63                        64     -1       35
  SINCE JAN 1    980                       764    216      792
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1100 PM
 LOWEST     57          1200 AM
 AVERAGE    69

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        96      1939
 MINIMUM TEMPERATURE (F)   58        42      1984


SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE   625 AM EDT   SUNSET   652 PM EDT
SEPTEMBER 17 2026.....SUNRISE   626 AM EDT   SUNSET   650 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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