National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2019-12-20 05:30 UTC
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994
CDUS41 KBOX 200530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1230 AM EST FRI DEC 20 2019
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 19 2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 27 225 PM 64 1899 40 -13 42
MINIMUM 15 759 AM -10 1875 27 -12 24
AVERAGE 21 34 -13 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.35 1986 0.12 -0.12 0.00
MONTH TO DATE 4.42 2.41 2.01 1.35
SINCE DEC 1 4.42 2.41 2.01 1.35
SINCE JAN 1 48.73 42.40 6.33 51.95
SNOWFALL (IN)
YESTERDAY 0.0 10.0 1945 0.3 -0.3 0.0
MONTH TO DATE 11.5 4.7 6.8 0.1
SINCE DEC 1 11.5 4.7 6.8 0.1
SINCE JUL 1 11.5 6.0 5.5 0.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 44 31 13 32
MONTH TO DATE 538 538 0 548
SINCE DEC 1 538 538 0 548
SINCE JUL 1 1460 1593 -133 1572
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1013 747 266 1132
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 20 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 19.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 1100 PM
LOWEST 27 1200 AM
AVERAGE 36
..........................................................
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 2019......SUNRISE 709 AM EST SUNSET 414 PM EST
DECEMBER 21 2019......SUNRISE 710 AM EST SUNSET 414 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$