Climatological Report (Monthly)
Issued by NWS

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527
CXUS54 KLIX 011436
CLMMCB

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS
936 AM CDT WED OCT 01 2025

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

...THE MCCOMB CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            105   09/02/2000
                       09/01/2000
 LOW              39   09/29/1967
HIGHEST           94   09/20         MM      MM       95  09/03
LOWEST            61   09/08         MM      MM       59  09/28
                       09/27
AVG. MAXIMUM    89.7               87.2     2.5     85.8
AVG. MINIMUM    66.4               66.6    -0.2     67.3
MEAN            78.1               76.9     1.2     76.6
DAYS MAX >= 90    17               12.8     4.2       10
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       11.65   2002
 MINIMUM        0.11   2019
TOTALS          1.03               4.30   -3.27     3.25
DAILY AVG.      0.03               0.14   -0.11     0.11
DAYS >= .01        3                8.6    -5.6        9
DAYS >= .10        2                5.7    -3.7        7
DAYS >= .50        1                2.6    -1.6        3
DAYS >= 1.00       0                1.3    -1.3        0
GREATEST
 24 HR. TOTAL   0.95   09/23 TO 09/24               1.86  09/11 TO 09/12

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
 24 HR TOTAL      MM
 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.    MM                                  MM
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH       MM                                  MM  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL      0                  2      -2        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    399                358      41      354
 SINCE 1/1      2468               2189     279       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.4
HIGHEST WIND SPEED/DIRECTION    30/170    DATE  09/09
HIGHEST GUST SPEED/DIRECTION    40/180    DATE  09/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     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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