National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2020-12-13 05:42 UTC
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474
CDUS41 KBOX 130542
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1242 AM EST SUN DEC 13 2020
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 12 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 47 806 PM 68 1911 42 5 33
1979
MINIMUM 35 721 AM 2 1988 29 6 26
AVERAGE 41 36 5 30
PRECIPITATION (IN)
YESTERDAY 0.50 4.21 1992 0.12 0.38 0.00
MONTH TO DATE 2.65 1.56 1.09 2.42
SINCE DEC 1 2.65 1.56 1.09 2.42
SINCE JAN 1 34.52 41.55 -7.03 46.73
SNOWFALL (IN)
YESTERDAY 0.0 13.0 1960 0.3 -0.3 0.0
MONTH TO DATE 0.3 2.6 -2.3 10.1
SINCE DEC 1 0.3 2.6 -2.3 10.1
SINCE JUL 1 4.6 3.9 0.7 10.1
DEGREE DAYS
HEATING
YESTERDAY 24 29 -5 35
MONTH TO DATE 313 326 -13 339
SINCE DEC 1 313 326 -13 339
SINCE JUL 1 1200 1381 -181 1261
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
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (40)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 89 1200 AM
AVERAGE 95
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 63 1984
MINIMUM TEMPERATURE (F) 29 4 1890
1893
1898
SUNRISE AND SUNSET
DECEMBER 13 2020......SUNRISE 705 AM EST SUNSET 412 PM EST
DECEMBER 14 2020......SUNRISE 706 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.
$$