Climatological Report (Daily)
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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.




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