673
CDUS41 KBOX 182126
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
426 PM EST THU DEC 18 2025
...............................
..THE HARTFORD CT CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 49 202 PM 64 2023 40 9 54
MINIMUM 23 702 AM -6 1919 24 -1 29
AVERAGE 36 32 4 42
PRECIPITATION (IN)
TODAY 0.00 2.17 2023 0.13 -0.13 0.48
MONTH TO DATE 1.05 2.47 -1.42 3.43
SINCE DEC 1 1.05 2.47 -1.42 3.43
SINCE JAN 1 44.33 45.44 -1.11 45.02
SNOWFALL (IN)
TODAY 0.0 4.2 1908 0.3 -0.3 0.0
MONTH TO DATE 4.1 4.9 -0.8 4.0
SINCE DEC 1 4.1 4.9 -0.8 4.0
SINCE JUL 1 4.1 7.0 -2.9 4.0
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 29 33 -4 23
MONTH TO DATE 674 553 121 530
SINCE DEC 1 674 553 121 530
SINCE JUL 1 1791 1719 72 1294
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 852 819 33 1183
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 700 AM
LOWEST 41 200 PM
AVERAGE 67
......................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 54 1949
MINIMUM TEMPERATURE (F) 24 -3 1919
1942
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 714 AM EST SUNSET 421 PM EST
DECEMBER 19 2025......SUNRISE 714 AM EST SUNSET 422 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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