National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-16 05:45 UTC
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563
CDUS41 KBOX 160545
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
145 AM EDT TUE SEP 16 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 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 72 1052 AM 94 1915 74 -2 74
MINIMUM 60 254 AM 41 1913 59 1 61
AVERAGE 66 66 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 3.48 1904 0.12 -0.12 0.00
MONTH TO DATE 1.43 1.64 -0.21 T
SINCE SEP 1 1.43 1.64 -0.21 T
SINCE JAN 1 26.38 29.68 -3.30 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 0 2 -2 0
MONTH TO DATE 14 16 -2 1
SINCE SEP 1 14 16 -2 1
SINCE JUL 1 21 25 -4 3
COOLING
YESTERDAY 1 3 -2 3
MONTH TO DATE 35 64 -29 53
SINCE SEP 1 35 64 -29 53
SINCE JAN 1 792 764 28 863
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 900 PM
LOWEST 70 1100 AM
AVERAGE 83
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 1939
MINIMUM TEMPERATURE (F) 58 42 1984
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 625 AM EDT SUNSET 652 PM EDT
SEPTEMBER 17 2025.....SUNRISE 626 AM EDT SUNSET 650 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$