902
CDUS43 KDMX 210637
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT SUN SEP 21 2025
...............................
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST
VALUE (LST) VALUE FROM YEAR
NORMAL
...................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 434 PM 74 1 89
MINIMUM 58 558 AM 49 9 57
AVERAGE 67 62 5 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 -0.11
MONTH TO DATE 1.66 2.22 -0.56
SINCE JAN 1 30.14 26.58 3.56
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 56 66 -10 20
SINCE SEP 1 56 66 -10 20
SINCE JUL 1 74 90 -16 29
COOLING
YESTERDAY 2 2 0 8
MONTH TO DATE 91 57 34 96
SINCE SEP 1 91 57 34 96
SINCE JAN 1 837 704 133 847
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 60 400 PM
AVERAGE 79
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THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 MM MM
MINIMUM TEMPERATURE (F) 49 MM MM
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 658 AM CDT SUNSET 710 PM CDT
SEPTEMBER 22 2025.....SUNRISE 659 AM CDT SUNSET 708 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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