271
CDUS41 KBOX 190525
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1225 AM EST TUE DEC 19 2023
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 18 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63R 1114 AM 61 1915 42 21 41
1928
1990
MINIMUM 45 1143 PM -6 1919 29 16 33
AVERAGE 54 35 19 37
PRECIPITATION (IN)
YESTERDAY 1.68R 1.44 1951 0.14 1.54 0.00
MONTH TO DATE 5.28 2.58 2.70 2.60
SINCE DEC 1 5.28 2.58 2.70 2.60
SINCE JAN 1 48.94 41.87 7.07 30.10
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1904 0.3 -0.3 0.0
MONTH TO DATE 0.2 4.3 -4.1 1.0
SINCE DEC 1 0.2 4.3 -4.1 1.0
SINCE JUL 1 0.2 5.2 -5.0 1.0
DEGREE DAYS
HEATING
YESTERDAY 11 30 -19 28
MONTH TO DATE 409 498 -89 460
SINCE DEC 1 409 498 -89 460
SINCE JUL 1 1313 1512 -199 1257
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 860 800 60 1033
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 19 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 53 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 68 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 24.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 74 700 PM
AVERAGE 87
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 64 1899
MINIMUM TEMPERATURE (F) 28 -10 1875
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 709 AM EST SUNSET 414 PM EST
DECEMBER 20 2023......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.
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