250
CDUS43 KDMX 180632
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT THU SEP 18 2025
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 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)
YESTERDAY 0.05 3.06 1914 0.10 -0.05 0.00
MONTH TO DATE 0.52 1.84 -1.32 0.10
SINCE SEP 1 0.52 1.84 -1.32 0.10
SINCE JAN 1 31.18 28.94 2.24 33.75
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 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 64 1200 PM
AVERAGE 82
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THE WATERLOO IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1955
MINIMUM TEMPERATURE (F) 52 28 1929
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 653 AM CDT SUNSET 713 PM CDT
SEPTEMBER 19 2025.....SUNRISE 654 AM CDT SUNSET 712 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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