407
CDUS41 KBOX 140508
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
108 AM EDT SUN SEP 14 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 13 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 71 MM 93 1957 74 -3 83
MINIMUM 55 MM 45 1911 59 -4 62
1985
AVERAGE 63 67 -4 73
PRECIPITATION (IN)
YESTERDAY T 2.30 1918 0.12 -0.12 0.00
1987
MONTH TO DATE 1.43 1.40 0.03 T
SINCE SEP 1 1.43 1.40 0.03 T
SINCE JAN 1 26.38 29.44 -3.06 34.14
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 2 2 0 0
MONTH TO DATE 14 12 2 1
SINCE SEP 1 14 12 2 1
SINCE JUL 1 21 21 0 3
COOLING
YESTERDAY 0 3 -3 8
MONTH TO DATE 32 58 -26 45
SINCE SEP 1 32 58 -26 45
SINCE JAN 1 789 758 31 855
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 57 200 PM
AVERAGE 75
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1915
1931
MINIMUM TEMPERATURE (F) 59 40 1884
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 623 AM EDT SUNSET 655 PM EDT
SEPTEMBER 15 2025.....SUNRISE 624 AM EDT SUNSET 653 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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