National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-12-18 05:26 UTC
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534
CDUS41 KBOX 180526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1226 AM EST SAT DEC 18 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 17 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 558 AM 64 2000 42 18 32
MINIMUM 42 1159 PM -4 1876 29 13 21
1919
AVERAGE 51 35 16 27
PRECIPITATION (IN)
YESTERDAY 0.00 2.82 1970 0.14 -0.14 0.30
MONTH TO DATE 0.76 2.44 -1.68 3.05
SINCE DEC 1 0.76 2.44 -1.68 3.05
SINCE JAN 1 50.64 41.73 8.91 34.92
SNOWFALL (IN)
YESTERDAY 0.0 12.7 2020 0.3 -0.3 12.3
MONTH TO DATE 0.3 4.0 -3.7 13.0
SINCE DEC 1 0.3 4.0 -3.7 13.0
SINCE JUL 1 0.3 4.9 -4.6 17.3
DEGREE DAYS
HEATING
YESTERDAY 14 30 -16 38
MONTH TO DATE 376 468 -92 471
SINCE DEC 1 376 468 -92 471
SINCE JUL 1 1164 1482 -318 1358
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1146 800 346 924
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 16.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 100 AM
LOWEST 21 300 PM
AVERAGE 46
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 61 1915
1928
1990
MINIMUM TEMPERATURE (F) 29 -6 1919
SUNRISE AND SUNSET
DECEMBER 18 2021......SUNRISE 708 AM EST SUNSET 413 PM EST
DECEMBER 19 2021......SUNRISE 709 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.
$$