Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 212125
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
525 PM EDT MON JUL 21 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR JULY 21 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 80 327 PM 101 1977 86 -6 89
1991
MINIMUM 62 500 AM 50 1966 64 -2 70
1974
AVERAGE 71 75 -4 80
PRECIPITATION (IN)
TODAY 0.00 1.94 2009 0.14 -0.14 0.02
MONTH TO DATE 4.42 2.69 1.73 2.21
SINCE JUN 1 6.55 6.97 -0.42 5.02
SINCE JAN 1 27.47 24.86 2.61 30.64
SNOWFALL (IN)
TODAY MM 0.0 2000 0.0 MM 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 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 21 35 -14 1
SINCE JUL 1 0 0 0 0
COOLING
TODAY 6 10 -4 15
MONTH TO DATE 254 197 57 319
SINCE JUN 1 452 347 105 597
SINCE JAN 1 495 394 101 690
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 39 300 PM
AVERAGE 66
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 103 2011
MINIMUM TEMPERATURE (F) 64 52 1944
1974
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 534 AM EDT SUNSET 820 PM EDT
JULY 22 2025..........SUNRISE 535 AM EDT SUNSET 819 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$