Climatological Report (Annual)
Issued by NWS Boston, MA

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CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
113 AM EST WED JAN 01 2025

...................................

...THE HARTFORD CT CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            103   07/22/2011
 LOW             -26   01/22/1961
HIGHEST           98   06/20
LOWEST             5   12/23
AVG. MAXIMUM    65.2               61.1     4.1
AVG. MINIMUM    44.8               40.9     3.9
MEAN            55.0               51.0     4.0
DAYS MAX >= 90    27               19.6     7.4
DAYS MAX <= 32     9               28.4   -19.4
DAYS MIN <= 32    92              125.8   -33.8
DAYS MIN <= 0      0                3.4    -3.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       69.23   2011
 MINIMUM       29.45   1965
TOTALS         45.81              47.05   -1.24
DAILY AVG.      0.13               0.13    0.00
DAYS >= .01      126              130.4    -4.4
DAYS >= .10       83               80.8     2.2
DAYS >= .50       28               31.7    -3.7
DAYS >= 1.00      12               12.4    -0.4
GREATEST
 24 HR. TOTAL   3.23

SNOWFALL (INCHES)
RECORDS
 TOTAL         102.6   1945
 SNOW DEPTH       45   12/31/1945
TOTALS          29.4               51.7   -22.3
SINCE 7/1        4.8               12.2    -7.4
SNOWDEPTH AVG.     0
DAYS >= TRACE     33               22.3    10.7
DAYS >= 1.0        6               12.5    -6.5
GREATEST
 SNOW DEPTH       10   01/08
 24 HR TOTAL     8.0   01/07 TO 01/07

DEGREE DAYS
HEATING TOTAL   4729               5883   -1154
 SINCE 7/1      1724               2172    -448
COOLING TOTAL   1183                819     364
 SINCE 1/1      1183                819     364
................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    40/300    DATE  02/16
HIGHEST GUST SPEED/DIRECTION    76/240    DATE  06/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           76
NUMBER OF DAYS PC            160
NUMBER OF DAYS CLOUDY        130

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             27     MIXED PRECIP               0
HEAVY RAIN               33     RAIN                      67
LIGHT RAIN              135     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       3
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW               31     SLEET                      8
FOG                     140     FOG W/VIS <= 1/4 MILE     13
HAZE                     32

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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