National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-12-12 05:37 UTC
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421
CDUS41 KBOX 120537
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1237 AM EST SUN DEC 12 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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 64 1112 PM 68 1911 43 21 51
MINIMUM 35 1241 AM -2 1876 31 4 28
AVERAGE 50 37 13 40
PRECIPITATION (IN)
YESTERDAY 0.25 1.52 1936 0.14 0.11 0.00
MONTH TO DATE 0.53 1.60 -1.07 2.15
SINCE DEC 1 0.53 1.60 -1.07 2.15
SINCE JAN 1 50.41 40.89 9.52 34.02
SNOWFALL (IN)
YESTERDAY MM 2.8 2019 0.2 MM 0.0
MONTH TO DATE 0.3 2.3 -2.0 0.3
SINCE DEC 1 0.3 2.3 -2.0 0.3
SINCE JUL 1 0.3 3.2 -2.9 4.6
DEGREE DAYS
HEATING
YESTERDAY 15 28 -13 25
MONTH TO DATE 267 294 -27 289
SINCE DEC 1 267 294 -27 289
SINCE JUL 1 1055 1308 -253 1176
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 8 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1000 AM
LOWEST 78 1100 PM
AVERAGE 89
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 1911
1979
MINIMUM TEMPERATURE (F) 30 2 1988
SUNRISE AND SUNSET
DECEMBER 12 2021......SUNRISE 704 AM EST SUNSET 412 PM EST
DECEMBER 13 2021......SUNRISE 705 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.
$$