Climatological Report (Monthly)
Issued by NWS Boston, MA

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CXUS51 KBOX 010700
CLMBDL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
300 AM EDT SUN OCT 01 2023

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

...THE HARTFORD CT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            101   09/02/1953
 LOW              30   09/29/2000
                       09/20/1979
                       09/27/1978
HIGHEST           95   09/07                          86
LOWEST            43   09/27                          40
AVG. MAXIMUM    76.1               75.7     0.4
AVG. MINIMUM    57.5               53.8     3.7
MEAN            66.8               64.8     2.0
DAYS MAX >= 90     3                1.2     1.8
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.1    -0.1
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.59   1938
 MINIMUM        0.20   1914
TOTALS         12.18               4.39    7.79
DAILY AVG.      0.41               0.15    0.26
DAYS >= .01       12                9.2     2.8
DAYS >= .10       11                5.9     5.1
DAYS >= .50        6                2.7     3.3
DAYS >= 1.00       5                1.2     3.8
GREATEST
 24 HR. TOTAL   4.15   09/29 TO 09/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0   MM
 SNOW DEPTH        0   MM
TOTALS           0.0                0.0     0.0
 LIQUID EQUIV   0.00
SINCE 7/1        0.0                0.0     0.0
SNOWDEPTH AVG.     0
DAYS >= TRACE      0                0.0     0.0
DAYS >= 1.0        0                0.0     0.0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL     77                 93     -16
 SINCE 7/1        78                102     -24
COOLING TOTAL    141                 86      55
 SINCE 1/1       909                811      98
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
RESULTANT WIND SPEED/DIRECTION   3/360
HIGHEST WIND SPEED/DIRECTION    33/250    DATE  09/08
HIGHEST GUST SPEED/DIRECTION    45/240    DATE  09/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      10
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$


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