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493
CDUS41 KBOX 100553
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1253 AM EST THU DEC 10 2020
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 9 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 36 650 PM 70 1966 43 -7 61
MINIMUM 24 456 AM -8 1902 31 -7 41
AVERAGE 30 37 -7 51
PRECIPITATION (IN)
YESTERDAY T 2.90 2014 0.13 -0.13 0.55
MONTH TO DATE 2.15 1.18 0.97 2.02
SINCE DEC 1 2.15 1.18 0.97 2.02
SINCE JAN 1 34.02 41.17 -7.15 46.33
SNOWFALL (IN)
YESTERDAY 0.0 8.6 2005 0.2 -0.2 0.0
MONTH TO DATE 0.3 1.8 -1.5 7.3
SINCE DEC 1 0.3 1.8 -1.5 7.3
SINCE JUL 1 4.6 3.1 1.5 7.3
DEGREE DAYS
HEATING
YESTERDAY 35 28 7 14
MONTH TO DATE 239 240 -1 263
SINCE DEC 1 239 240 -1 263
SINCE JUL 1 1126 1295 -169 1185
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 924 747 177 1013
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1100 PM
LOWEST 59 100 PM
AVERAGE 69
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 64 1897
1907
MINIMUM TEMPERATURE (F) 30 -1 1902
SUNRISE AND SUNSET
DECEMBER 10 2020......SUNRISE 703 AM EST SUNSET 411 PM EST
DECEMBER 11 2020......SUNRISE 704 AM EST SUNSET 412 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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