Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 210632
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT MON SEP 21 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 66 1126 AM 74 -8 75
MINIMUM 59 1159 PM 49 10 58
AVERAGE 63 62 1 67
PRECIPITATION (IN)
YESTERDAY 0.72 0.11 0.61
MONTH TO DATE 5.01 2.22 2.79
SINCE JAN 1 35.56 26.58 8.98
DEGREE DAYS
HEATING
YESTERDAY 2 5 -3 0
MONTH TO DATE 13 66 -53 56
SINCE SEP 1 13 66 -53 56
SINCE JUL 1 13 90 -77 74
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 144 57 87 91
SINCE SEP 1 144 57 87 91
SINCE JAN 1 953 704 249 837
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 75 800 PM
AVERAGE 86
..........................................................
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 2026.....SUNRISE 658 AM CDT SUNSET 710 PM CDT
SEPTEMBER 22 2026.....SUNRISE 659 AM CDT SUNSET 709 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$