542
CDUS41 KBOX 220526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1226 AM EST MON DEC 22 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 47 109 PM 65 2018 41 6 29
MINIMUM 32 1159 PM -5 1942 28 4 17
AVERAGE 40 34 6 23
PRECIPITATION (IN)
YESTERDAY 0.00 1.91 1946 0.15 -0.15 0.00
MONTH TO DATE 1.28 3.01 -1.73 5.01
SINCE DEC 1 1.28 3.01 -1.73 5.01
SINCE JAN 1 36.03 42.30 -6.27 44.75
SNOWFALL (IN)
YESTERDAY 0.0 10.1 1975 0.4 -0.4 0.0
MONTH TO DATE 1.3 5.3 -4.0 5.5
SINCE DEC 1 1.3 5.3 -4.0 5.5
SINCE JUL 1 1.3 6.2 -4.9 5.5
DEGREE DAYS
HEATING
YESTERDAY 25 31 -6 42
MONTH TO DATE 679 589 90 599
SINCE DEC 1 679 589 90 599
SINCE JUL 1 1616 1603 13 1382
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 865 800 65 891
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 17.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 1200 AM
LOWEST 33 900 PM
AVERAGE 56
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 62 1990
MINIMUM TEMPERATURE (F) 28 1 1879
1883
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 711 AM EST SUNSET 415 PM EST
DECEMBER 23 2025......SUNRISE 711 AM EST SUNSET 416 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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