National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-25 05:30 UTC
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591
CDUS41 KBOX 250530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT THU SEP 25 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 24 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 66 129 PM 90 1959 70 -4 66
MINIMUM 63 1132 PM 39 1885 55 8 53
1963
1974
AVERAGE 65 63 2 60
PRECIPITATION (IN)
YESTERDAY 0.11 1.25 1955 0.13 -0.02 0.00
MONTH TO DATE 1.66 2.79 -1.13 0.97
SINCE SEP 1 1.66 2.79 -1.13 0.97
SINCE JAN 1 26.61 30.83 -4.22 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 42 -10 23
SINCE SEP 1 32 42 -10 23
SINCE JUL 1 39 51 -12 25
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 50 84 -34 61
SINCE SEP 1 50 84 -34 61
SINCE JAN 1 807 784 23 871
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 PM
LOWEST 87 200 AM
AVERAGE 94
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 1926
MINIMUM TEMPERATURE (F) 55 38 1950
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 635 AM EDT SUNSET 636 PM EDT
SEPTEMBER 26 2025.....SUNRISE 636 AM EDT SUNSET 634 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$