Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 180635
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
135 AM CDT FRI SEP 18 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 75 358 PM 75 0 81
MINIMUM 65 1159 PM 50 15 61
AVERAGE 70 63 7 71
PRECIPITATION (IN)
YESTERDAY 0.88 0.11 0.77
MONTH TO DATE 3.13 1.90 1.23
SINCE JAN 1 33.68 26.26 7.42
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 11 51 -40 56
SINCE SEP 1 11 51 -40 56
SINCE JUL 1 11 75 -64 74
COOLING
YESTERDAY 5 2 3 6
MONTH TO DATE 134 51 83 83
SINCE SEP 1 134 51 83 83
SINCE JAN 1 943 698 245 829
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 82 100 PM
AVERAGE 91
..........................................................
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 MM MM
MINIMUM TEMPERATURE (F) 50 MM MM
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 655 AM CDT SUNSET 716 PM CDT
SEPTEMBER 19 2026.....SUNRISE 656 AM CDT SUNSET 714 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$