Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 210526
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT MON SEP 21 2026
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 610 PM 95 1983 74 -11 71
MINIMUM 56 1159 PM 30 1979 52 4 47
AVERAGE 60 63 -3 59
PRECIPITATION (IN)
YESTERDAY 0.66 6.10 1938 0.16 0.50 0.00
MONTH TO DATE 3.35 2.79 0.56 1.78
SINCE SEP 1 3.35 2.79 0.56 1.78
SINCE JAN 1 34.18 33.34 0.84 35.09
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 5 4 1 6
MONTH TO DATE 24 40 -16 25
SINCE SEP 1 24 40 -16 25
SINCE JUL 1 26 48 -22 44
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 62 70 -8 35
SINCE SEP 1 62 70 -8 35
SINCE JAN 1 881 795 86 806
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 PM
LOWEST 75 900 AM
AVERAGE 88
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 1914
1965
MINIMUM TEMPERATURE (F) 52 31 1962
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 637 AM EDT SUNSET 650 PM EDT
SEPTEMBER 22 2026.....SUNRISE 638 AM EDT SUNSET 648 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$