Climatological Report (Monthly)
Issued by NWS Boston, MA

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CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1109 AM EDT TUE OCT 01 2024

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

...THE HARTFORD CT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

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

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           89   09/19                          95
LOWEST            49   09/03                          43
                       09/11
AVG. MAXIMUM    78.2               75.7     2.5
AVG. MINIMUM    55.5               53.8     1.7
MEAN            66.9               64.8     2.1
DAYS MAX >= 90     0                1.2    -1.2
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          0.65               4.39   -3.74
DAILY AVG.      0.02               0.15   -0.13
DAYS >= .01        3                9.2    -6.2
DAYS >= .10        2                5.9    -3.9
DAYS >= .50        0                2.7    -2.7
DAYS >= 1.00       0                1.2    -1.2
GREATEST
 24 HR. TOTAL   0.33   09/25 TO 09/26

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     22                 93     -71
 SINCE 7/1        22                102     -80
COOLING TOTAL     87                 86       1
 SINCE 1/1      1165                811     354
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   2/020
HIGHEST WIND SPEED/DIRECTION    26/300    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    39/300    DATE  09/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$