National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-09-12 05:26 UTC
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509
CDUS41 KBOX 120526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT SUN SEP 12 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 11 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 79 239 PM 99 1983 75 4 74
MINIMUM 59 548 AM 40 1917 60 -1 57
AVERAGE 69 67 2 66
PRECIPITATION (IN)
YESTERDAY 0.00 5.63 1954 0.11 -0.11 T
MONTH TO DATE 5.43 1.17 4.26 0.46
SINCE SEP 1 5.43 1.17 4.26 0.46
SINCE JAN 1 41.39 29.21 12.18 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 1 -1 0
MONTH TO DATE 0 9 -9 0
SINCE SEP 1 0 9 -9 0
SINCE JUL 1 9 18 -9 2
COOLING
YESTERDAY 4 4 0 1
MONTH TO DATE 69 52 17 61
SINCE SEP 1 69 52 17 61
SINCE JAN 1 1045 752 293 888
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1100 PM
LOWEST 39 1200 PM
AVERAGE 56
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1961
MINIMUM TEMPERATURE (F) 60 43 1875
SUNRISE AND SUNSET
SEPTEMBER 12 2021.....SUNRISE 621 AM EDT SUNSET 659 PM EDT
SEPTEMBER 13 2021.....SUNRISE 622 AM EDT SUNSET 657 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$