Climatological Report (Seasonal)
Issued by NWS Boston, MA

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CXUS51 KBOX 010703
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CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
258 AM EDT TUE JUN 01 2021

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

...THE HARTFORD CT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2021 TO 5/31/2021...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   05/26/2010
                       05/20/1996
 LOW              -6   03/07/2003
                       03/19/1967
HIGHEST           90   05/22                          83
                       05/26
LOWEST            13   03/02                          18
AVG. MAXIMUM    62.5               59.8     2.7
AVG. MINIMUM    38.7               38.4     0.3
MEAN            50.6               49.1     1.5
DAYS MAX >= 90     2                1.7     0.3
DAYS MAX <= 32     1                2.1    -1.1
DAYS MIN <= 32    25               28.9    -3.9
DAYS MIN <= 0      0                0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.58   1983
 MINIMUM        4.40   1915
TOTALS         11.09              11.48   -0.39
DAILY AVG.      0.12               0.12   -0.00
DAYS >= .01       29               35.0    -6.0
DAYS >= .10       20               21.5    -1.5
DAYS >= .50        9                7.7     1.3
DAYS >= 1.00       2                2.7    -0.7
GREATEST
 24 HR. TOTAL   1.45   04/15 TO 04/15

SNOWFALL (INCHES)
RECORDS
 MAXIMUM        34.6   1967
 MINIMUM           T   MULTI-YEARS
 SNOW DEPTH       27   03/27/1916
TOTALS           0.1               10.5   -10.4
 LIQUID EQUIV   0.00
SINCE 7/1       41.2               51.7   -10.5
SNOWDEPTH AVG.     0
DAYS >= TRACE     10                4.5     5.5
DAYS >= 1.0        0                2.9    -2.9
GREATEST
 SNOW DEPTH        1   03/01
 24 HR TOTAL     0.1   03/17 TO 03/17

DEGREE DAYS
HEATING TOTAL   1337               1512    -175
 SINCE 7/1      5417               5849    -432
COOLING TOTAL     37                 47     -10
 SINCE 1/1        37                 47     -10

FREEZE DATES
RECORD
 EARLIEST     09/20/1979
 LATEST       05/20/2002
EARLIEST                        10/18
LATEST                          05/10
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   4/300
HIGHEST WIND SPEED/DIRECTION    44/300    DATE  03/02
HIGHEST GUST SPEED/DIRECTION    57/290    DATE  03/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC             38
NUMBER OF DAYS CLOUDY         31

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      18
LIGHT RAIN               34     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                9     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

$$

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