Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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CDUS43 KDMX 300629
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
129 AM CDT TUE SEP 30 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 29 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 89 331 PM 91 1897 72 17 87
MINIMUM 55 600 AM 22 1967 47 8 53
AVERAGE 72 59 13 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.94 1973 0.10 -0.10 0.00
MONTH TO DATE 0.89 3.04 -2.15 0.44
SINCE SEP 1 0.89 3.04 -2.15 0.44
SINCE JAN 1 31.55 30.14 1.41 34.09
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 7 -7 0
MONTH TO DATE 53 101 -48 34
SINCE SEP 1 53 101 -48 34
SINCE JUL 1 68 114 -46 40
COOLING
YESTERDAY 7 1 6 5
MONTH TO DATE 121 96 25 139
SINCE SEP 1 121 96 25 139
SINCE JAN 1 928 902 26 961
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 34 200 PM
AVERAGE 66
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 2023
MINIMUM TEMPERATURE (F) 47 19 1899
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.
$$