911
CDUS43 KDMX 210632
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT THU AUG 21 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 20 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 83 305 PM 96 1916 80 3 74
1947
1972
MINIMUM 63 529 AM 35 1950 57 6 51
AVERAGE 73 68 5 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.31 1913 0.12 -0.12 0.00
MONTH TO DATE 3.73 2.47 1.26 1.06
SINCE JUN 1 20.68 12.29 8.39 11.87
SINCE JAN 1 31.38 25.99 5.39 27.73
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 JUN 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 1 -1 2
MONTH TO DATE 3 10 -7 15
SINCE JUN 1 19 59 -40 27
SINCE JUL 1 6 20 -14 18
COOLING
YESTERDAY 8 4 4 0
MONTH TO DATE 134 106 28 77
SINCE JUN 1 592 460 132 422
SINCE JAN 1 619 498 121 439
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 58 400 PM
AVERAGE 79
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THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 100 1947
MINIMUM TEMPERATURE (F) 57 36 2004
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 626 AM CDT SUNSET 806 PM CDT
AUGUST 22 2025........SUNRISE 627 AM CDT SUNSET 804 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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