National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-09-09 05:15 UTC
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162
CDUS41 KBOX 090515
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
115 AM EDT TUE SEP 09 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 8 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 68 MM 96 2015 76 -8 71
MINIMUM 55 MM 48 1903 61 -6 57
1978
AVERAGE 62 68 -6 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 2004 0.10 -0.10 0.00
MONTH TO DATE 1.43 0.84 0.59 T
SINCE SEP 1 1.43 0.84 0.59 T
SINCE JAN 1 26.38 28.88 -2.50 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 3 1 2 1
MONTH TO DATE 4 6 -2 1
SINCE SEP 1 4 6 -2 1
SINCE JUL 1 11 15 -4 3
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 32 40 -8 25
SINCE SEP 1 32 40 -8 25
SINCE JAN 1 789 740 49 835
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
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 83 900 PM
LOWEST 49 1100 AM
AVERAGE 66
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 2015
2016
MINIMUM TEMPERATURE (F) 61 45 1938
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 618 AM EDT SUNSET 704 PM EDT
SEPTEMBER 10 2025.....SUNRISE 619 AM EDT SUNSET 702 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$