736
CDUS43 KDMX 180635
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
135 AM CDT FRI SEP 18 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 205 PM 95 1925 77 -4 77
1988
MINIMUM 64 1159 PM 32 1916 52 12 61
AVERAGE 69 64 5 69
PRECIPITATION (IN)
YESTERDAY 0.79 3.06 1914 0.10 0.69 0.05
MONTH TO DATE 2.74 1.84 0.90 0.52
SINCE SEP 1 2.74 1.84 0.90 0.52
SINCE JAN 1 32.52 28.94 3.58 31.18
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 16 37 -21 50
SINCE SEP 1 16 37 -21 50
SINCE JUL 1 17 50 -33 65
COOLING
YESTERDAY 4 3 1 4
MONTH TO DATE 117 70 47 81
SINCE SEP 1 117 70 47 81
SINCE JAN 1 945 876 69 888
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 84 300 PM
AVERAGE 92
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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 2026.....SUNRISE 653 AM CDT SUNSET 714 PM CDT
SEPTEMBER 19 2026.....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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