388
CDUS43 KDMX 180632
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT TUE AUG 18 2026
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 17 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 80 447 PM 101 1988 80 0 86
MINIMUM 56 457 AM 44 2012 58 -2 70
AVERAGE 68 69 -1 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.79 1921 0.13 -0.13 0.08
MONTH TO DATE 1.62 2.11 -0.49 1.25
SINCE JUN 1 12.03 11.93 0.10 18.20
SINCE JAN 1 21.34 25.63 -4.29 28.90
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 0
MONTH TO DATE 0 7 -7 3
SINCE JUN 1 17 56 -39 19
SINCE JUL 1 2 17 -15 6
COOLING
YESTERDAY 3 5 -2 13
MONTH TO DATE 96 93 3 106
SINCE JUN 1 526 447 79 564
SINCE JAN 1 587 485 102 591
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 47 300 PM
AVERAGE 72
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THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 99 1936
1947
MINIMUM TEMPERATURE (F) 58 42 1950
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 622 AM CDT SUNSET 811 PM CDT
AUGUST 19 2026........SUNRISE 623 AM CDT SUNSET 810 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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