Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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015
CDUS41 KBOX 220613
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
213 AM EDT MON SEP 22 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 21 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 71 310 PM 91 1914 74 -3 73
1965
MINIMUM 43 507 AM 31 1962 52 -9 58
AVERAGE 57 63 -6 66
PRECIPITATION (IN)
YESTERDAY 0.00 3.22 1938 0.16 -0.16 0.00
MONTH TO DATE 1.78 2.95 -1.17 0.31
SINCE SEP 1 1.78 2.95 -1.17 0.31
SINCE JAN 1 35.09 33.50 1.59 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 8 4 4 0
MONTH TO DATE 33 44 -11 5
SINCE SEP 1 33 44 -11 5
SINCE JUL 1 52 52 0 5
COOLING
YESTERDAY 0 2 -2 1
MONTH TO DATE 35 72 -37 73
SINCE SEP 1 35 72 -37 73
SINCE JAN 1 806 797 9 1151
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 29 200 PM
AVERAGE 63
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1970
MINIMUM TEMPERATURE (F) 51 32 1962
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 638 AM EDT SUNSET 647 PM EDT
SEPTEMBER 23 2025.....SUNRISE 639 AM EDT SUNSET 646 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$