National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-12-21 06:20 UTC
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673
CDUS41 KBOX 210620
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
120 AM EST TUE DEC 21 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 20 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 33 252 PM 63 1957 41 -8 36
MINIMUM 20 752 AM -11 1875 28 -8 26
1942
AVERAGE 27 35 -8 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.35 1936 0.13 -0.13 0.03
MONTH TO DATE 1.70 2.86 -1.16 3.08
SINCE DEC 1 1.70 2.86 -1.16 3.08
SINCE JAN 1 51.58 42.15 9.43 34.95
SNOWFALL (IN)
YESTERDAY 0.0 10.0 2009 0.3 -0.3 T
MONTH TO DATE 0.4 4.9 -4.5 13.0
SINCE DEC 1 0.4 4.9 -4.5 13.0
SINCE JUL 1 0.4 5.8 -5.4 17.3
DEGREE DAYS
HEATING
YESTERDAY 38 30 8 34
MONTH TO DATE 472 558 -86 585
SINCE DEC 1 472 558 -86 585
SINCE JUL 1 1260 1572 -312 1472
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 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 100 AM
LOWEST 41 200 PM
AVERAGE 55
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 65 2018
MINIMUM TEMPERATURE (F) 28 -5 1942
SUNRISE AND SUNSET
DECEMBER 21 2021......SUNRISE 710 AM EST SUNSET 415 PM EST
DECEMBER 22 2021......SUNRISE 711 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.
$$