Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 210632
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT THU AUG 21 2025
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 20 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 84 341 PM 81 3 79
MINIMUM 66 552 AM 59 7 55
AVERAGE 75 70 5 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 -0.13
MONTH TO DATE 2.96 2.50 0.46
SINCE JAN 1 28.44 22.98 5.46
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 2 -1 6
SINCE JUN 1 9 35 -26 9
SINCE JUL 1 1 9 -8 8
COOLING
YESTERDAY 10 5 5 2
MONTH TO DATE 166 129 37 122
SINCE JUN 1 693 542 151 606
SINCE JAN 1 718 596 122 645
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 55 200 PM
AVERAGE 78
..........................................................
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 21 2025........SUNRISE 626 AM CDT SUNSET 803 PM CDT
AUGUST 22 2025........SUNRISE 627 AM CDT SUNSET 801 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$