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795
CDUS41 KBOX 150557
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1257 AM EST TUE DEC 15 2020
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...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 14 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 40 1217 AM 66 1881 42 -2 60
MINIMUM 34 1159 PM 0 1893 29 5 47
1898
AVERAGE 37 35 2 54
PRECIPITATION (IN)
YESTERDAY 0.06 1.99 2002 0.12 -0.06 1.25
MONTH TO DATE 2.71 1.80 0.91 3.77
SINCE DEC 1 2.71 1.80 0.91 3.77
SINCE JAN 1 34.58 41.79 -7.21 48.08
SNOWFALL (IN)
YESTERDAY T 6.5 1995 0.3 -0.3 0.0
MONTH TO DATE 0.3 3.2 -2.9 10.1
SINCE DEC 1 0.3 3.2 -2.9 10.1
SINCE JUL 1 4.6 4.5 0.1 10.1
DEGREE DAYS
HEATING
YESTERDAY 28 30 -2 11
MONTH TO DATE 356 385 -29 377
SINCE DEC 1 356 385 -29 377
SINCE JUL 1 1243 1440 -197 1299
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 7 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
SLEET
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 500 PM
LOWEST 65 1200 AM
AVERAGE 77
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 66 1975
MINIMUM TEMPERATURE (F) 28 -2 1874
SUNRISE AND SUNSET
DECEMBER 15 2020......SUNRISE 707 AM EST SUNSET 412 PM EST
DECEMBER 16 2020......SUNRISE 707 AM EST SUNSET 413 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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