Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 180727
CLIBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
327 AM EDT SAT JUL 18 2026

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

...THE BOSTON MA CLIMATE SUMMARY FOR JULY 17 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         85    335 PM  98    1977  83      2       91
                                      1999
  MINIMUM         67   1159 PM  54    1892  66      1       72
                                      1946
  AVERAGE         76                        74      2       82

PRECIPITATION (IN)
  YESTERDAY        0.00          2.68 2018   0.11  -0.11     0.00
  MONTH TO DATE    1.73                      1.76  -0.03     1.91
  SINCE JUN 1      3.19                      5.65  -2.46     3.23
  SINCE JAN 1     13.68                     23.30  -9.62    23.02

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 JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     14                        50    -36       44
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       11                        10      1       17
  MONTH TO DATE  221                       151     70      200
  SINCE JUN 1    445                       289    156      390
  SINCE JAN 1    506                       322    184      419
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63           200 AM
 LOWEST     23           300 PM
 AVERAGE    43

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      1982
 MINIMUM TEMPERATURE (F)   67        54      1881


SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE   523 AM EDT   SUNSET   817 PM EDT
JULY 19 2026..........SUNRISE   524 AM EDT   SUNSET   816 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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