837
CDUS43 KDMX 302228
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
528 PM CDT TUE SEP 30 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 30 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 88 306 PM 94 2023 71 17 86
MINIMUM 53 619 AM 19 1899 47 6 51
AVERAGE 71 59 12 69
PRECIPITATION (IN)
TODAY 0.00 1.69 2007 0.10 -0.10 0.00
MONTH TO DATE 0.89 3.14 -2.25 0.44
SINCE SEP 1 0.89 3.14 -2.25 0.44
SINCE JAN 1 31.55 30.24 1.31 34.09
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 7 -7 0
MONTH TO DATE 53 108 -55 34
SINCE SEP 1 53 108 -55 34
SINCE JUL 1 68 121 -53 40
COOLING
TODAY 6 1 5 4
MONTH TO DATE 127 97 30 143
SINCE SEP 1 127 97 30 143
SINCE JAN 1 934 903 31 965
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 2.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 28 300 PM
AVERAGE 61
......................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 2023
MINIMUM TEMPERATURE (F) 46 23 2003
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 706 AM CDT SUNSET 652 PM CDT
OCTOBER 1 2025.......SUNRISE 707 AM CDT SUNSET 650 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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