Climatological Report (Daily)
Issued by NWS Boston, MA

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797
CDUS41 KBOX 050537
CLIBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1237 AM EST FRI DEC 05 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 4 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    230 PM  70    1982  46     -6       40
  MINIMUM         18   1159 PM   2    1940  32    -14       28
  AVERAGE         29                        39    -10       34

PRECIPITATION (IN)
  YESTERDAY        T             2.15 1968   0.15  -0.15     0.08
  MONTH TO DATE    0.70                      0.58   0.12     0.08
  SINCE DEC 1      0.70                      0.58   0.12     0.08
  SINCE JAN 1     35.45                     39.87  -4.42    39.82

SNOWFALL (IN)
  YESTERDAY        T             6.0  1901   0.2   -0.2      0.0
  MONTH TO DATE    T                         0.7   -0.7      0.0
  SINCE DEC 1      T                         0.7   -0.7      0.0
  SINCE JUL 1      T                         1.6   -1.6      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       36                        26     10       31
  MONTH TO DATE  127                       103     24      125
  SINCE DEC 1    127                       103     24      125
  SINCE JUL 1   1064                      1117    -53      908

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    865                       800     65      891
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    39   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    54   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    16.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           100 AM
 LOWEST     24           800 PM
 AVERAGE    48

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        66      2001
 MINIMUM TEMPERATURE (F)   32         4      1926


SUNRISE AND SUNSET
DECEMBER  5 2025......SUNRISE   658 AM EST   SUNSET   412 PM EST
DECEMBER  6 2025......SUNRISE   659 AM EST   SUNSET   411 PM EST


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




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