Climatological Report (Monthly)
Issued by NWS
Issued by NWS
527
CXUS54 KLIX 011436
CLMMCB
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS
936 AM CDT WED OCT 01 2025
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...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
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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
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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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