535
CDUS41 KBOX 170548
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
148 AM EDT WED SEP 17 2025
...............................
..THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 16 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 77 142 PM 92 1915 76 1 84
1941
1991
MINIMUM 53 1159 PM 33 1964 54 -1 51
AVERAGE 65 65 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 5.72 1999 0.16 -0.16 0.00
MONTH TO DATE 1.78 2.16 -0.38 0.31
SINCE SEP 1 1.78 2.16 -0.38 0.31
SINCE JAN 1 35.09 32.71 2.38 38.43
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 3 -3 0
MONTH TO DATE 19 26 -7 5
SINCE SEP 1 19 26 -7 5
SINCE JUL 1 38 34 4 5
COOLING
YESTERDAY 0 3 -3 3
MONTH TO DATE 27 62 -35 51
SINCE SEP 1 27 62 -35 51
SINCE JAN 1 798 787 11 1129
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 41 200 PM
AVERAGE 71
......................................................
THE HARTFORD CT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 1915
1972
1991
MINIMUM TEMPERATURE (F) 53 34 1984
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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