Climatological Report (Annual)
Issued by NWS Boston, MA

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CXUS51 KBOX 011749 RRA
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TTAA00 BOX 011748

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1241 PM EST SAT JAN 01 2022

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

...THE HARTFORD CT CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            103   07/22/2011
 LOW             -26   01/22/1961
HIGHEST           99   06/29
LOWEST             1   01/30
                       01/31
AVG. MAXIMUM    62.5               61.1     1.4
AVG. MINIMUM    42.9               40.9     2.0
MEAN            52.7               51.0     1.7
DAYS MAX >= 90    24               19.6     4.4
DAYS MAX <= 32    21               28.4    -7.4
DAYS MIN <= 32   124              125.8    -1.8
DAYS MIN <= 0      0                3.4    -3.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       69.23   2011
 MINIMUM       29.45   1965
TOTALS         54.94              47.05    7.89
DAILY AVG.      0.15               0.13    0.02
DAYS >= .01      130              130.4    -0.4
DAYS >= .10       83               80.8     2.2
DAYS >= .50       34               31.7     2.3
DAYS >= 1.00      16               12.4     3.6
GREATEST
 24 HR. TOTAL   5.27   09/01 TO 09/02

SNOWFALL (INCHES)
RECORDS
 MAXIMUM       102.6   1945
 MINIMUM        14.4   1913
 SNOW DEPTH       45   12/31/1945
TOTALS          30.1               51.7   -21.6
SINCE 7/1        4.2               12.2    -8.0
SNOWDEPTH AVG.     1
DAYS >= TRACE     47               22.3    24.7
DAYS >= 1.0        9               12.5    -3.5
GREATEST
 SNOW DEPTH       13   02/02
 24 HR TOTAL    11.7   02/01 TO 02/01

DEGREE DAYS
HEATING TOTAL   5279               5883    -604
 SINCE 7/1      1807               2172    -365
COOLING TOTAL    931                819     112
 SINCE 1/1       931                819     112
................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
RESULTANT WIND SPEED/DIRECTION   2/300
HIGHEST WIND SPEED/DIRECTION    48/310    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    61/310    DATE  07/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.64
NUMBER OF DAYS FAIR           62
NUMBER OF DAYS PC            158
NUMBER OF DAYS CLOUDY        144

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             30     MIXED PRECIP               0
HEAVY RAIN               32     RAIN                      56
LIGHT RAIN              145     FREEZING RAIN              2
LT FREEZING RAIN          9     HAIL                       4
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               39     SLEET                      4
FOG                     161     FOG W/VIS <= 1/4 MILE     25
HAZE                     20

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

$$