Climatological Report (Monthly)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
686
CXUS53 KDMX 011404
CLMALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
904 AM CDT WED OCT 01 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 102 09/07/1939
09/06/1922
LOW 19
HIGHEST 95 09/13 90 5
LOWEST 39 09/07 33 6
MEAN 67.2 64.6 2.6
DAYS MAX >= 90 3 1.7 1.3
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.6 -0.6
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.35 2018
MINIMUM 0.42 1953
TOTALS 0.89 3.14 -2.25
DAILY AVG. 0.03 0.10 -0.07
DAYS >= .01 8
DAYS >= .10 2
DAYS >= .50 0
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 53 109 -56
SINCE 7/1 68 121 -53
COOLING TOTAL 127 97 30
SINCE 1/1 934 903 31
..............................................................
WIND (MPH)
HIGHEST GUST SPEED/DIRECTION 57/050 DATE 09/16
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 HAIL 0
SLEET 0 FOG 13
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.
$$