Climatological Report (Daily)
Issued by NWS Boston, MA

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698
CDUS41 KBOX 182122
CLIBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
522 PM EDT TUE AUG 18 2026

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

...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         76    306 PM  95    2002  80     -4       68
                                      2009
  MINIMUM         66    555 AM  53    1918  65      1       60
  AVERAGE         71                        73     -2       64

PRECIPITATION (IN)
  TODAY            0.00          4.88 1955   0.10  -0.10      T
  MONTH TO DATE    0.52                      1.95  -1.43     0.52
  SINCE JUN 1      6.61                      9.11  -2.50     4.85
  SINCE JAN 1     17.10                     26.76  -9.66    24.64

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         0      0        1
  MONTH TO DATE    0                         0      0        1
  SINCE JUN 1     14                        54    -40       45
  SINCE JUL 1      0                         4     -4        1

 COOLING
  TODAY            6                         8     -2        0
  MONTH TO DATE  224                       155     69      136
  SINCE JUN 1    756                       577    179      677
  SINCE JAN 1    817                       610    207      706
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     74           300 PM
 AVERAGE    87

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


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        95      2019
 MINIMUM TEMPERATURE (F)   65        51      1882


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   555 AM EDT   SUNSET   741 PM EDT
AUGUST 19 2026........SUNRISE   556 AM EDT   SUNSET   739 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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