Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 190629
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
129 AM CDT WED AUG 19 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 18 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 83 332 PM 81 2 86
MINIMUM 64 1229 AM 59 5 69
AVERAGE 74 70 4 78
PRECIPITATION (IN)
YESTERDAY T 0.14 -0.14
MONTH TO DATE 2.88 2.24 0.64
SINCE JAN 1 30.03 22.72 7.31
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 14 33 -19 9
SINCE JUL 1 0 7 -7 1
COOLING
YESTERDAY 9 6 3 13
MONTH TO DATE 141 118 23 145
SINCE JUN 1 642 531 111 672
SINCE JAN 1 726 585 141 697
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1100 PM
LOWEST 63 300 PM
AVERAGE 80
..........................................................
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 MM MM
MINIMUM TEMPERATURE (F) 59 MM MM
SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE 624 AM CDT SUNSET 806 PM CDT
AUGUST 20 2026........SUNRISE 625 AM CDT SUNSET 805 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$