National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2018-12-20 06:24 UTC
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515
CDUS41 KBOX 200634
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
124 AM EST THU DEC 20 2018
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 19 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 42 341 PM 64 1899 40 2 51
MINIMUM 24 319 AM -10 1875 27 -3 34
AVERAGE 33 34 -1 43
PRECIPITATION (IN)
YESTERDAY 0.00 1.35 1986 0.12 -0.12 0.00
MONTH TO DATE 1.35 2.41 -1.06 1.36
SINCE DEC 1 1.35 2.41 -1.06 1.36
SINCE JAN 1 51.95 42.40 9.55 42.32
SNOWFALL (IN)
YESTERDAY 0.0 10.0 1945 0.3 -0.3 0.0
MONTH TO DATE 0.1 4.7 -4.6 6.1
SINCE DEC 1 0.1 4.7 -4.6 6.1
SINCE JUL 1 0.2 6.0 -5.8 6.1
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 32 31 1 22
MONTH TO DATE 548 538 10 555
SINCE DEC 1 548 538 10 555
SINCE JUL 1 1572 1593 -21 1382
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1132 747 385 880
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 200 AM
LOWEST 22 300 PM
AVERAGE 39
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 63 1957
MINIMUM TEMPERATURE (F) 27 -11 1942
1875
SUNRISE AND SUNSET
DECEMBER 20 2018......SUNRISE 709 AM EST SUNSET 414 PM EST
DECEMBER 21 2018......SUNRISE 710 AM EST SUNSET 415 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$