National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-09-17 05:44 UTC
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731
CDUS41 KBOX 170544
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
144 AM EDT FRI SEP 17 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 16 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 MM 96 1939 73 2 73
MINIMUM 65 MM 42 1984 58 7 51
AVERAGE 70 66 4 62
PRECIPITATION (IN)
YESTERDAY 0.31 5.63 1933 0.13 0.18 0.00
MONTH TO DATE 5.80 1.77 4.03 0.46
SINCE SEP 1 5.80 1.77 4.03 0.46
SINCE JAN 1 41.76 29.81 11.95 22.18
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 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 3
MONTH TO DATE 0 18 -18 18
SINCE SEP 1 0 18 -18 18
SINCE JUL 1 9 27 -18 20
COOLING
YESTERDAY 5 3 2 0
MONTH TO DATE 107 67 40 62
SINCE SEP 1 107 67 40 62
SINCE JAN 1 1083 767 316 889
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 69 300 AM
AVERAGE 78
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1915
MINIMUM TEMPERATURE (F) 58 44 2013
SUNRISE AND SUNSET
SEPTEMBER 17 2021.....SUNRISE 626 AM EDT SUNSET 650 PM EDT
SEPTEMBER 18 2021.....SUNRISE 627 AM EDT SUNSET 648 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$