Climatological Report (Monthly)
Issued by NWS Indianapolis, IN

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414
CXUS53 KIND 011515
CLMIND

CLIMATE REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1115 AM EDT WED OCT 01 2025

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

...THE INDIANAPOLIS IN CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/03/2011
                       09/05/1954
                       09/02/1953
 LOW              30   09/30/1899
HIGHEST           89   09/18                          94  09/21
                       09/20
                       09/29
LOWEST            49   09/08                          45  09/08
AVG. MAXIMUM    81.8               78.2     3.6     81.4
AVG. MINIMUM    59.2               57.4     1.8     60.4
MEAN            70.5               67.8     2.7     70.9
DAYS MAX >= 90     0                2.8    -2.8        4
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.37   2003
 MINIMUM        0.12   2020
TOTALS          1.77               3.14   -1.37     1.52
DAILY AVG.      0.06               0.10   -0.04     0.05
DAYS >= .01        8                7.9     0.1        6
DAYS >= .10        6                4.7     1.3        3
DAYS >= .50        0                1.9    -1.9        1
DAYS >= 1.00       0                0.9    -0.9        1
GREATEST
 24 HR. TOTAL   0.50   09/03 TO 09/04

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2016
 SNOW DEPTH       MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL     14                 58     -44       15
 SINCE 7/1        17                 61     -44       MM
COOLING TOTAL    187                142      45      200
 SINCE 1/1      1308               1118     190       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    40/290    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    53/280    DATE  09/03

SKY COVER
AVERAGE SKY COVER           0.38

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      1
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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