National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-12-09 08:56 UTC
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781
CDUS41 KBOX 090856
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
356 AM EST THU DEC 09 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 8 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 37 140 PM 65 1927 44 -7 31
MINIMUM 28 1159 PM -4 1902 31 -3 26
AVERAGE 33 38 -5 29
PRECIPITATION (IN)
YESTERDAY T 1.33 1969 0.14 -0.14 0.00
MONTH TO DATE 0.27 1.17 -0.90 2.15
SINCE DEC 1 0.27 1.17 -0.90 2.15
SINCE JAN 1 50.15 40.46 9.69 34.02
SNOWFALL (IN)
YESTERDAY 0.3 1.7 1922 0.3 0.0 0.0
MONTH TO DATE 0.3 1.6 -1.3 0.3
SINCE DEC 1 0.3 1.6 -1.3 0.3
SINCE JUL 1 0.3 2.5 -2.2 4.6
DEGREE DAYS
HEATING
YESTERDAY 32 27 5 36
MONTH TO DATE 190 210 -20 204
SINCE DEC 1 190 210 -20 204
SINCE JUL 1 978 1224 -246 1091
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 9 RESULTANT WIND DIRECTION N (0)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 900 PM
LOWEST 47 1000 AM
AVERAGE 70
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 70 1966
MINIMUM TEMPERATURE (F) 31 -8 1902
SUNRISE AND SUNSET
DECEMBER 9 2021......SUNRISE 702 AM EST SUNSET 411 PM EST
DECEMBER 10 2021......SUNRISE 703 AM EST SUNSET 411 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$