129
CDUS43 KDMX 100637
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT THU SEP 10 2026
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 9 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 423 PM 99 2013 77 6 73
MINIMUM 56 1149 PM 34 1924 51 5 56
AVERAGE 70 64 6 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.33 1971 0.12 -0.12 0.01
MONTH TO DATE 0.75 1.05 -0.30 0.35
SINCE SEP 1 0.75 1.05 -0.30 0.35
SINCE JAN 1 23.02 28.36 -5.34 32.17
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 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 4 -4 0
MONTH TO DATE 0 24 -24 62
SINCE SEP 1 0 24 -24 62
SINCE JUL 1 3 60 -57 92
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 87 26 61 0
SINCE SEP 1 87 26 61 0
SINCE JAN 1 739 565 174 638
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 40 400 PM
AVERAGE 70
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THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 98 1931
MINIMUM TEMPERATURE (F) 51 35 1910
1935
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 648 AM CDT SUNSET 732 PM CDT
SEPTEMBER 11 2026.....SUNRISE 649 AM CDT SUNSET 730 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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