Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 120525
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
125 AM EDT MON MAY 12 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR MAY 11 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 71 407 PM 92 1993 71 0 66
MINIMUM 44 1159 PM 29 2010 47 -3 41
AVERAGE 58 59 -1 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.84 2007 0.11 -0.11 0.00
MONTH TO DATE 5.23 1.32 3.91 1.00
SINCE MAR 1 13.29 9.01 4.28 13.19
SINCE JAN 1 17.92 15.42 2.50 23.43
SNOWFALL (IN)
YESTERDAY 0.0 T 1907 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.7 10.5 -8.8 0.6
SINCE JUL 1 23.4 51.7 -28.3 24.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 7 0 11
MONTH TO DATE 44 93 -49 50
SINCE MAR 1 1146 1411 -265 1068
SINCE JUL 1 4954 5748 -794 4826
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 9 3 5
SINCE MAR 1 22 16 6 9
SINCE JAN 1 22 16 6 9
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 14 400 PM
AVERAGE 54
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 2004
2014
MINIMUM TEMPERATURE (F) 47 32 1907
1983
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 533 AM EDT SUNSET 802 PM EDT
MAY 13 2025...........SUNRISE 532 AM EDT SUNSET 803 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$