941
CDUS43 KDMX 172230
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
530 PM CDT WED SEP 17 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID TODAY AS OF 0520 PM LOCAL TIME.
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)
TODAY
MAXIMUM 77 1151 AM 95 1925 77 0 90
1988
MINIMUM 61 627 AM 32 1916 52 9 62
AVERAGE 69 64 5 76
PRECIPITATION (IN)
TODAY 0.01 3.06 1914 0.10 -0.09 0.00
MONTH TO DATE 0.48 1.84 -1.36 0.10
SINCE SEP 1 0.48 1.84 -1.36 0.10
SINCE JAN 1 31.14 28.94 2.20 33.75
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 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
TODAY 0 4 -4 0
MONTH TO DATE 50 37 13 16
SINCE SEP 1 50 37 13 16
SINCE JUL 1 65 50 15 22
COOLING
TODAY 4 3 1 11
MONTH TO DATE 81 70 11 79
SINCE SEP 1 81 70 11 79
SINCE JAN 1 888 876 12 901
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 64 1200 PM
AVERAGE 82
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1955
MINIMUM TEMPERATURE (F) 52 28 1929
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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