National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-12-20 05:33 UTC
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434
CDUS41 KBOX 200533
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1233 AM EST MON DEC 20 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 19 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 44 230 AM 64 1899 41 3 31
MINIMUM 23 1159 PM -10 1875 28 -5 17
AVERAGE 34 35 -1 24
PRECIPITATION (IN)
YESTERDAY 0.38 1.35 1986 0.15 0.23 0.00
MONTH TO DATE 1.70 2.73 -1.03 3.05
SINCE DEC 1 1.70 2.73 -1.03 3.05
SINCE JAN 1 51.58 42.02 9.56 34.92
SNOWFALL (IN)
YESTERDAY 0.0 10.0 1945 0.3 -0.3 0.0
MONTH TO DATE 0.4 4.6 -4.2 13.0
SINCE DEC 1 0.4 4.6 -4.2 13.0
SINCE JUL 1 0.4 5.5 -5.1 17.3
DEGREE DAYS
HEATING
YESTERDAY 31 30 1 41
MONTH TO DATE 434 528 -94 551
SINCE DEC 1 434 528 -94 551
SINCE JUL 1 1222 1542 -320 1438
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 14 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 14.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
LT FREEZING RAIN
LIGHT SNOW
SLEET
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 58 800 PM
AVERAGE 79
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 63 1957
MINIMUM TEMPERATURE (F) 28 -11 1875
1942
SUNRISE AND SUNSET
DECEMBER 20 2021......SUNRISE 710 AM EST SUNSET 414 PM EST
DECEMBER 21 2021......SUNRISE 710 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.
$$