037
CXUS53 KLMK 011350
CLMSDF

CLIMATE REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
950 AM EDT WED OCT 01 2025

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

...THE LOUISVILLE KY 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            104   09/06/1954
                       09/05/1954
 LOW              33   09/30/1949
HIGHEST           92   09/15         MM      MM       94  09/05
                       09/20
                                                          09/21
LOWEST            50   09/08         MM      MM       50  09/08
AVG. MAXIMUM    84.0               82.2     1.8     84.6
AVG. MINIMUM    62.0               61.9     0.1     65.5
MEAN            73.0               72.0     1.0     75.1
DAYS MAX >= 90     5                6.0    -1.0       12
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       10.91   2018
 MINIMUM        0.04   2019
TOTALS          4.17               3.66    0.51     6.71
DAILY AVG.      0.14               0.12    0.02     0.22
DAYS >= .01        8                7.9     0.1        9
DAYS >= .10        6                4.7     1.3        6
DAYS >= .50        3                2.2     0.8        4
DAYS >= 1.00       1                1.1    -0.1        4
GREATEST
 24 HR. TOTAL   2.11   09/23 TO 09/24

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
DAYS >= TRACE      0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL      2                 22     -20        3
 SINCE 7/1         2                 19     -17       MM
COOLING TOTAL    247                233      14      313
 SINCE 1/1      1829               1687     142       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
RESULTANT WIND SPEED/DIRECTION   0/300
HIGHEST WIND SPEED/DIRECTION    31/280    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    46/270    DATE  09/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.45
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               11     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      0
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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