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106
CDUS41 KBOX 190603
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
203 AM EDT SUN SEP 19 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 1146 AM 90 1891 72 2 66
1906
1955
MINIMUM 66 758 AM 43 1875 58 8 51
AVERAGE 70 65 5 59
PRECIPITATION (IN)
YESTERDAY 0.06 2.87 2004 0.13 -0.07 0.00
MONTH TO DATE 5.86 2.03 3.83 0.46
SINCE SEP 1 5.86 2.03 3.83 0.46
SINCE JAN 1 41.82 30.07 11.75 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 6
MONTH TO DATE 0 22 -22 24
SINCE SEP 1 0 22 -22 24
SINCE JUL 1 9 31 -22 26
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 115 72 43 65
SINCE SEP 1 115 72 43 65
SINCE JAN 1 1091 772 319 892
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 76 1100 AM
AVERAGE 83
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1983
MINIMUM TEMPERATURE (F) 57 42 1929
SUNRISE AND SUNSET
SEPTEMBER 19 2021.....SUNRISE 629 AM EDT SUNSET 646 PM EDT
SEPTEMBER 20 2021.....SUNRISE 630 AM EDT SUNSET 644 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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