111
CDUS41 KBOX 180528
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1228 AM EST THU DEC 18 2025
...............................
..THE HARTFORD CT CLIMATE SUMMARY FOR DECEMBER 17 2025
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)
YESTERDAY
MAXIMUM 45 343 PM 63 2000 40 5 60
MINIMUM 24 315 AM -6 1942 24 0 38
AVERAGE 35 32 3 49
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 2000 0.13 -0.13 0.27
MONTH TO DATE 1.05 2.34 -1.29 2.95
SINCE DEC 1 1.05 2.34 -1.29 2.95
SINCE JAN 1 44.33 45.31 -0.98 44.54
SNOWFALL (IN)
YESTERDAY 0.0 7.8 2020 0.3 -0.3 0.0
MONTH TO DATE 4.1 4.6 -0.5 4.0
SINCE DEC 1 4.1 4.6 -0.5 4.0
SINCE JUL 1 4.1 6.7 -2.6 4.0
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 30 33 -3 16
MONTH TO DATE 645 520 125 507
SINCE DEC 1 645 520 125 507
SINCE JUL 1 1762 1686 76 1271
COOLING
YESTERDAY 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)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 900 PM
LOWEST 44 1000 AM
AVERAGE 54
......................................................
THE HARTFORD CT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 64 2023
MINIMUM TEMPERATURE (F) 24 -6 1919
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page