Climatological Report (Monthly)
Issued by NWS Quad Cities IA IL
Issued by NWS Quad Cities IA IL
970
CXUS53 KDVN 011940
CLMMLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
240 PM CDT WED OCT 01 2025
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...THE MOLINE IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 100 09/15/1939
09/06/1922
LOW 24 09/28/1942
HIGHEST 96 09/13 82 14
LOWEST 40 09/07 48 -8
AVG. MAXIMUM 81.6 77.9 3.7
AVG. MINIMUM 53.6 54.2 -0.6
MEAN 67.6 66.1 1.5
DAYS MAX >= 90 5 2.5 2.5
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.2 -0.2
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.18 1970
MINIMUM 0.02 1979
TOTALS 0.71 3.32 -2.61
DAILY AVG. 0.02 0.11 -0.09
DAYS >= .01 5 8.4 -3.4
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0 0.9 -0.9
GREATEST
24 HR. TOTAL 0.27 09/22 TO 09/23
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
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 46 84 -38
SINCE 7/1 56 91 -35
COOLING TOTAL 132 116 16
SINCE 1/1 1086 1024 62
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WIND (MPH)
AVERAGE WIND SPEED 4.6
HIGHEST WIND SPEED/DIRECTION 23/280 DATE 09/05
23/320 09/22
HIGHEST GUST SPEED/DIRECTION 32/280 DATE 09/05
32/320 09/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.13
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 HAIL 0
SLEET 0 FOG 10
FOG W/VIS <= 1/4 MILE 1 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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