143
CDUS43 KDMX 170644
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
144 AM CDT WED SEP 17 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 1247 PM 94 1931 74 15 87
MINIMUM 62 620 AM 30 1937 49 13 62
AVERAGE 76 62 14 75
PRECIPITATION (IN)
YESTERDAY 0.02 1.55 2017 0.12 -0.10 0.00
MONTH TO DATE 0.38 1.88 -1.50 0.42
SINCE SEP 1 0.38 1.88 -1.50 0.42
SINCE JAN 1 32.20 29.19 3.01 28.68
SNOWFALL (IN)
YESTERDAY MM MM MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 62 55 7 33
SINCE SEP 1 62 55 7 33
SINCE JUL 1 92 91 1 54
COOLING
YESTERDAY 11 2 9 10
MONTH TO DATE 56 40 16 40
SINCE SEP 1 56 40 16 40
SINCE JAN 1 694 579 115 559
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 47 100 PM
AVERAGE 74
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THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 1925
MINIMUM TEMPERATURE (F) 48 31 1943
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 655 AM CDT SUNSET 719 PM CDT
SEPTEMBER 18 2025.....SUNRISE 657 AM CDT SUNSET 717 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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