Climatological Report (Monthly)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
685
CXUS53 KDMX 011404
CLMDSM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
904 AM CDT WED OCT 01 2025
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...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1878 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 101 09/09/2013
09/07/1939
09/03/1939
LOW 26 09/28/1942
09/30/1899
HIGHEST 96 09/13 91 5
LOWEST 43 09/07 38 5
MEAN 69.8 66.2 3.6
DAYS MAX >= 90 4 2.3 1.7
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.0 0.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.81 1914
MINIMUM 0.15 1882
TOTALS 1.76 3.18 -1.42
DAILY AVG. 0.06 0.11 -0.05
DAYS >= .01 7
DAYS >= .10 4
DAYS >= .50 2
DAYS >= 1.00 0
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 29 86 -57
SINCE 7/1 37 93 -56
COOLING TOTAL 179 120 59
SINCE 1/1 1207 1055 152
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WIND (MPH)
HIGHEST GUST SPEED/DIRECTION 44/030 DATE 09/22
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 HAIL 0
SLEET 0 FOG 10
FOG W/VIS <= 1/4 MILE 1 HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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