441
CDUS41 KBOX 172129
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
529 PM EDT WED SEP 17 2025
...............................
..THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID TODAY AS OF 0500 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 76 329 PM 90 1915 75 1 84
1972
1991
MINIMUM 53 314 AM 34 1984 53 0 55
AVERAGE 65 64 1 70
PRECIPITATION (IN)
TODAY 0.00 2.78 1934 0.15 -0.15 0.00
MONTH TO DATE 1.78 2.31 -0.53 0.31
SINCE SEP 1 1.78 2.31 -0.53 0.31
SINCE JAN 1 35.09 32.86 2.23 38.43
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 19 29 -10 5
SINCE SEP 1 19 29 -10 5
SINCE JUL 1 38 37 1 5
COOLING
TODAY 0 2 -2 5
MONTH TO DATE 27 64 -37 56
SINCE SEP 1 27 64 -37 56
SINCE JAN 1 798 789 9 1134
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 200 AM
LOWEST 50 300 PM
AVERAGE 70
......................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 1906
MINIMUM TEMPERATURE (F) 53 36 1961
1984
1986
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 633 AM EDT SUNSET 656 PM EDT
SEPTEMBER 18 2025.....SUNRISE 634 AM EDT SUNSET 654 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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