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225
CDUS41 KBOX 220633
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
133 AM EST TUE DEC 22 2020
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 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 37 MM 65 2018 39 -2 35
MINIMUM 27 MM -5 1942 26 1 22
AVERAGE 32 33 -1 29
PRECIPITATION (IN)
YESTERDAY 0.00 1.91 1946 0.13 -0.13 0.00
MONTH TO DATE 4.08 2.65 1.43 4.42
SINCE DEC 1 4.08 2.65 1.43 4.42
SINCE JAN 1 35.95 42.64 -6.69 48.73
SNOWFALL (IN)
YESTERDAY 0.0 10.1 1975 0.3 -0.3 0.0
MONTH TO DATE 13.0 5.3 7.7 11.5
SINCE DEC 1 13.0 5.3 7.7 11.5
SINCE JUL 1 17.3 6.6 10.7 11.5
DEGREE DAYS
HEATING
YESTERDAY 33 32 1 36
MONTH TO DATE 618 602 16 614
SINCE DEC 1 618 602 16 614
SINCE JUL 1 1505 1657 -152 1536
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 3 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 75 1100 PM
AVERAGE 88
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 62 1990
MINIMUM TEMPERATURE (F) 26 1 1879
1883
SUNRISE AND SUNSET
DECEMBER 22 2020......SUNRISE 711 AM EST SUNSET 415 PM EST
DECEMBER 23 2020......SUNRISE 711 AM EST SUNSET 416 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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