577
CDUS43 KDMX 220644
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
144 AM CDT MON SEP 22 2025
...............................
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 21 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 78 402 PM 74 4 90
MINIMUM 57 509 AM 49 8 60
AVERAGE 68 61 7 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 -0.11
MONTH TO DATE 1.66 2.33 -0.67
SINCE JAN 1 30.14 26.69 3.45
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 56 72 -16 20
SINCE SEP 1 56 72 -16 20
SINCE JUL 1 74 96 -22 29
COOLING
YESTERDAY 3 2 1 10
MONTH TO DATE 94 59 35 106
SINCE SEP 1 94 59 35 106
SINCE JAN 1 840 706 134 857
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 52 500 PM
AVERAGE 76
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THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 MM MM
MINIMUM TEMPERATURE (F) 48 MM MM
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 659 AM CDT SUNSET 708 PM CDT
SEPTEMBER 23 2025.....SUNRISE 700 AM CDT SUNSET 707 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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