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694
CDUS41 KBOX 110603
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EST FRI DEC 11 2020
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...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 10 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 45 1136 AM 64 1897 43 2 63
1907
MINIMUM 34 1232 AM -1 1902 30 4 42
AVERAGE 40 37 3 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.58 1878 0.13 -0.13 0.19
MONTH TO DATE 2.15 1.31 0.84 2.21
SINCE DEC 1 2.15 1.31 0.84 2.21
SINCE JAN 1 34.02 41.30 -7.28 46.52
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1928 0.3 -0.3 0.0
MONTH TO DATE 0.3 2.1 -1.8 7.3
SINCE DEC 1 0.3 2.1 -1.8 7.3
SINCE JUL 1 4.6 3.4 1.2 7.3
DEGREE DAYS
HEATING
YESTERDAY 25 28 -3 12
MONTH TO DATE 264 268 -4 275
SINCE DEC 1 264 268 -4 275
SINCE JUL 1 1151 1323 -172 1197
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 9 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 700 AM
LOWEST 49 1200 PM
AVERAGE 64
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 1911
MINIMUM TEMPERATURE (F) 30 -2 1876
SUNRISE AND SUNSET
DECEMBER 11 2020......SUNRISE 704 AM EST SUNSET 412 PM EST
DECEMBER 12 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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