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CDUS41 KBOX 140539
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1239 AM EST MON DEC 14 2020
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...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 13 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 59 236 PM 63 1984 42 17 47
MINIMUM 40 1159 PM 4 1890 29 11 28
1893
1898
AVERAGE 50 36 14 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.67 1873 0.12 -0.12 0.10
MONTH TO DATE 2.65 1.68 0.97 2.52
SINCE DEC 1 2.65 1.68 0.97 2.52
SINCE JAN 1 34.52 41.67 -7.15 46.83
SNOWFALL (IN)
YESTERDAY 0.0 10.1 2007 0.3 -0.3 0.0
MONTH TO DATE 0.3 2.9 -2.6 10.1
SINCE DEC 1 0.3 2.9 -2.6 10.1
SINCE JUL 1 4.6 4.2 0.4 10.1
DEGREE DAYS
HEATING
YESTERDAY 15 29 -14 27
MONTH TO DATE 328 355 -27 366
SINCE DEC 1 328 355 -27 366
SINCE JUL 1 1215 1410 -195 1288
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 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 53 300 PM
AVERAGE 77
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 66 1881
MINIMUM TEMPERATURE (F) 29 0 1893
1898
SUNRISE AND SUNSET
DECEMBER 14 2020......SUNRISE 706 AM EST SUNSET 412 PM EST
DECEMBER 15 2020......SUNRISE 707 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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