National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-24 05:47 UTC
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490
CDUS41 KBOX 240547
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
147 AM EDT WED SEP 24 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 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 80 1222 PM 96 1895 71 9 65
MINIMUM 60 444 AM 35 1875 56 4 55
1904
AVERAGE 70 63 7 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.64 1994 0.12 -0.12 T
MONTH TO DATE 1.55 2.66 -1.11 0.97
SINCE SEP 1 1.55 2.66 -1.11 0.97
SINCE JAN 1 26.50 30.70 -4.20 35.11
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 4 -4 5
MONTH TO DATE 32 38 -6 18
SINCE SEP 1 32 38 -6 18
SINCE JUL 1 39 47 -8 20
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 50 82 -32 61
SINCE SEP 1 50 82 -32 61
SINCE JAN 1 807 782 25 871
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 900 PM
LOWEST 58 1200 PM
AVERAGE 76
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 90 1959
MINIMUM TEMPERATURE (F) 55 39 1885
1963
1974
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 634 AM EDT SUNSET 637 PM EDT
SEPTEMBER 25 2025.....SUNRISE 635 AM EDT SUNSET 636 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$