Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 010628
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
128 AM CDT TUE SEP 01 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 31 2026...
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 91 352 PM 79 12 79
MINIMUM 73 1159 PM 56 17 60
AVERAGE 82 68 14 70
PRECIPITATION (IN)
YESTERDAY 0.02 0.12 -0.10
MONTH TO DATE 3.40 3.88 -0.48
SINCE JAN 1 30.55 24.36 6.19
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 14 -14 18
SINCE JUN 1 14 47 -33 26
SINCE JUL 1 0 21 -21 18
COOLING
YESTERDAY 17 4 13 5
MONTH TO DATE 224 180 44 194
SINCE JUN 1 725 593 132 721
SINCE JAN 1 809 647 162 746
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1100 PM
LOWEST 62 200 PM
AVERAGE 79
..........................................................
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 56 MM MM
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 637 AM CDT SUNSET 745 PM CDT
SEPTEMBER 2 2026.....SUNRISE 638 AM CDT SUNSET 743 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$