Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 180636
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT MON AUG 18 2025
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 17 2025...
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 93 217 PM 81 12 79
MINIMUM 71 505 AM 60 11 64
AVERAGE 82 70 12 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 -0.13
MONTH TO DATE 2.37 2.10 0.27
SINCE JAN 1 27.85 22.58 5.27
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 6
SINCE JUN 1 9 33 -24 9
SINCE JUL 1 1 7 -6 8
COOLING
YESTERDAY 17 6 11 7
MONTH TO DATE 132 112 20 109
SINCE JUN 1 659 525 134 593
SINCE JAN 1 684 579 105 632
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 57 400 PM
AVERAGE 79
..........................................................
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 18 2025........SUNRISE 623 AM CDT SUNSET 807 PM CDT
AUGUST 19 2025........SUNRISE 624 AM CDT SUNSET 806 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$