Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 182149
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
549 PM EDT MON AUG 18 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR AUGUST 18 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 76 356 PM 96 2002 83 -7 72
MINIMUM 60 603 AM 45 1941 62 -2 67
AVERAGE 68 72 -4 70
PRECIPITATION (IN)
TODAY 0.00 6.27 1955 0.14 -0.14 1.68
MONTH TO DATE 0.91 2.63 -1.72 4.35
SINCE JUN 1 10.85 11.08 -0.23 12.00
SINCE JAN 1 31.77 28.97 2.80 37.62
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 21 37 -16 1
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 3 8 -5 5
MONTH TO DATE 145 153 -8 194
SINCE JUN 1 703 593 110 905
SINCE JAN 1 746 640 106 998
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1200 AM
LOWEST 37 400 PM
AVERAGE 55
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1966
2019
MINIMUM TEMPERATURE (F) 62 46 1963
1977
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 602 AM EDT SUNSET 746 PM EDT
AUGUST 19 2025........SUNRISE 603 AM EDT SUNSET 745 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$