Climatological Report (Daily)
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738
CDUS43 KDMX 180635
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
135 AM CDT FRI SEP 18 2026
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 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 69 151 PM 94 1925 74 -5 67
MINIMUM 63 1021 PM 31 1943 48 15 57
AVERAGE 66 61 5 62
PRECIPITATION (IN)
YESTERDAY 0.02 2.77 1977 0.11 -0.09 0.46
MONTH TO DATE 1.61 1.99 -0.38 0.84
SINCE SEP 1 1.61 1.99 -0.38 0.84
SINCE JAN 1 23.88 29.30 -5.42 32.66
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 6 -6 3
MONTH TO DATE 22 61 -39 65
SINCE SEP 1 22 61 -39 65
SINCE JUL 1 25 97 -72 95
COOLING
YESTERDAY 1 2 -1 0
MONTH TO DATE 92 42 50 56
SINCE SEP 1 92 42 50 56
SINCE JAN 1 744 581 163 694
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 81 400 PM
AVERAGE 91
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1947
MINIMUM TEMPERATURE (F) 48 26 1929
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 656 AM CDT SUNSET 718 PM CDT
SEPTEMBER 19 2026.....SUNRISE 657 AM CDT SUNSET 716 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$