Climatological Report (Daily)
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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005
CDUS43 KDMX 152231
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
531 PM CDT MON SEP 15 2025
...................................
...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 15 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 89 353 PM 100 1927 77 12 91
MINIMUM 68 600 AM 30 2007 53 15 62
AVERAGE 79 65 14 77
PRECIPITATION (IN)
TODAY 0.03 1.51 2016 0.10 -0.07 0.00
MONTH TO DATE 0.11 1.64 -1.53 0.10
SINCE SEP 1 0.11 1.64 -1.53 0.10
SINCE JAN 1 30.77 28.74 2.03 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 3 -3 0
MONTH TO DATE 50 29 21 16
SINCE SEP 1 50 29 21 16
SINCE JUL 1 65 42 23 22
COOLING
TODAY 14 3 11 12
MONTH TO DATE 65 64 1 57
SINCE SEP 1 65 64 1 57
SINCE JAN 1 872 870 2 879
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 900 AM
LOWEST 47 300 PM
AVERAGE 69
..........................................................
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 97 1931
MINIMUM TEMPERATURE (F) 52 31 1984
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 650 AM CDT SUNSET 719 PM CDT
SEPTEMBER 16 2025.....SUNRISE 651 AM CDT SUNSET 717 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$