Climatological Report (Daily)
Issued by NWS
Issued by NWS
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970
CDUS43 KDMX 170634
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
134 AM CDT THU SEP 17 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 16 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 70 307 PM 75 -5 90
MINIMUM 58 517 AM 51 7 64
AVERAGE 64 63 1 77
PRECIPITATION (IN)
YESTERDAY T 0.10 -0.10
MONTH TO DATE 2.25 1.79 0.46
SINCE JAN 1 32.80 26.15 6.65
DEGREE DAYS
HEATING
YESTERDAY 1 4 -3 0
MONTH TO DATE 11 46 -35 56
SINCE SEP 1 11 46 -35 56
SINCE JUL 1 11 70 -59 74
COOLING
YESTERDAY 0 2 -2 12
MONTH TO DATE 129 49 80 77
SINCE SEP 1 129 49 80 77
SINCE JAN 1 938 696 242 823
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1000 PM
LOWEST 73 1100 AM
AVERAGE 87
..........................................................
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 17 2026.....SUNRISE 654 AM CDT SUNSET 717 PM CDT
SEPTEMBER 18 2026.....SUNRISE 655 AM CDT SUNSET 716 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$