National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-10 05:25 UTC
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578
CDUS41 KBOX 100525
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
125 AM EDT WED SEP 10 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 9 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 1050 AM 93 2015 76 -7 76
2016
MINIMUM 53 537 AM 45 1938 61 -8 56
AVERAGE 61 68 -7 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.19 1969 0.11 -0.11 0.00
MONTH TO DATE 1.43 0.95 0.48 T
SINCE SEP 1 1.43 0.95 0.48 T
SINCE JAN 1 26.38 28.99 -2.61 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 4 1 3 0
MONTH TO DATE 8 7 1 1
SINCE SEP 1 8 7 1 1
SINCE JUL 1 15 16 -1 3
COOLING
YESTERDAY 0 4 -4 1
MONTH TO DATE 32 44 -12 26
SINCE SEP 1 32 44 -12 26
SINCE JAN 1 789 744 45 836
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 59 1100 AM
AVERAGE 76
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 1931
MINIMUM TEMPERATURE (F) 60 41 1883
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 619 AM EDT SUNSET 702 PM EDT
SEPTEMBER 11 2025.....SUNRISE 620 AM EDT SUNSET 700 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$