141
CDUS43 KDMX 170644
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
144 AM CDT WED SEP 17 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 146 PM 97 1931 77 13 90
MINIMUM 63 1159 PM 31 1984 52 11 62
AVERAGE 77 65 12 76
PRECIPITATION (IN)
YESTERDAY 0.36 2.60 1921 0.10 0.26 0.00
MONTH TO DATE 0.47 1.74 -1.27 0.10
SINCE SEP 1 0.47 1.74 -1.27 0.10
SINCE JAN 1 31.13 28.84 2.29 33.75
SNOWFALL (IN)
YESTERDAY MM MM MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 50 33 17 16
SINCE SEP 1 50 33 17 16
SINCE JUL 1 65 46 19 22
COOLING
YESTERDAY 12 3 9 11
MONTH TO DATE 77 67 10 68
SINCE SEP 1 77 67 10 68
SINCE JAN 1 884 873 11 890
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 7.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 48 200 PM
AVERAGE 71
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THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 1925
1988
MINIMUM TEMPERATURE (F) 52 32 1916
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 652 AM CDT SUNSET 715 PM CDT
SEPTEMBER 18 2025.....SUNRISE 653 AM CDT SUNSET 713 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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