823
CDUS41 KBOX 100529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT THU SEP 10 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 9 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 76 441 PM 93 2015 76 0 69
2016
MINIMUM 61 720 AM 45 1938 61 0 53
AVERAGE 69 68 1 61
PRECIPITATION (IN)
YESTERDAY 0.02 2.19 1969 0.11 -0.09 0.00
MONTH TO DATE 0.85 0.95 -0.10 1.43
SINCE SEP 1 0.85 0.95 -0.10 1.43
SINCE JAN 1 18.41 28.99 -10.58 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 0 1 -1 4
MONTH TO DATE 1 7 -6 8
SINCE SEP 1 1 7 -6 8
SINCE JUL 1 1 16 -15 15
COOLING
YESTERDAY 4 4 0 0
MONTH TO DATE 40 44 -4 32
SINCE SEP 1 40 44 -4 32
SINCE JAN 1 957 744 213 789
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 PM
LOWEST 69 400 PM
AVERAGE 80
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 1931
MINIMUM TEMPERATURE (F) 60 41 1883
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 619 AM EDT SUNSET 703 PM EDT
SEPTEMBER 11 2026.....SUNRISE 620 AM EDT SUNSET 701 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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