National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-23 05:29 UTC
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862
CDUS41 KBOX 230529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT TUE SEP 23 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 22 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 69 538 PM 94 1895 71 -2 66
MINIMUM 54 607 AM 35 1904 56 -2 57
AVERAGE 62 64 -2 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.88 1998 0.13 -0.13 0.01
MONTH TO DATE 1.55 2.54 -0.99 0.97
SINCE SEP 1 1.55 2.54 -0.99 0.97
SINCE JAN 1 26.50 30.58 -4.08 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 3 3 0 3
MONTH TO DATE 32 34 -2 13
SINCE SEP 1 32 34 -2 13
SINCE JUL 1 39 43 -4 15
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 45 80 -35 61
SINCE SEP 1 45 80 -35 61
SINCE JAN 1 802 780 22 871
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 63 600 PM
AVERAGE 75
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 96 1895
MINIMUM TEMPERATURE (F) 56 35 1875
1904
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 633 AM EDT SUNSET 639 PM EDT
SEPTEMBER 24 2025.....SUNRISE 634 AM EDT SUNSET 637 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$