Climatological Report (Daily)
Issued by NWS
Issued by NWS
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297
CDUS43 KDMX 190631
CLIMIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
131 AM CDT SAT SEP 19 2026
...................................
...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 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 72 209 PM 75 -3 75
MINIMUM 63 855 AM 50 13 60
AVERAGE 68 62 6 68
PRECIPITATION (IN)
YESTERDAY 1.03 0.11 0.92
MONTH TO DATE 4.16 2.01 2.15
SINCE JAN 1 34.71 26.37 8.34
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 11 56 -45 56
SINCE SEP 1 11 56 -45 56
SINCE JUL 1 11 80 -69 74
COOLING
YESTERDAY 3 2 1 3
MONTH TO DATE 137 53 84 86
SINCE SEP 1 137 53 84 86
SINCE JAN 1 946 700 246 832
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 14.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 79 100 PM
AVERAGE 88
..........................................................
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 MM MM
MINIMUM TEMPERATURE (F) 49 MM MM
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 656 AM CDT SUNSET 714 PM CDT
SEPTEMBER 20 2026.....SUNRISE 657 AM CDT SUNSET 712 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$