485
CDUS43 KDMX 190639
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT FRI SEP 19 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 18 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 78 1225 PM 92 1947 74 4 86
MINIMUM 57 444 AM 26 1929 48 9 61
AVERAGE 68 61 7 74
PRECIPITATION (IN)
YESTERDAY 0.10 2.52 1942 0.12 -0.02 0.00
MONTH TO DATE 0.94 2.11 -1.17 0.42
SINCE SEP 1 0.94 2.11 -1.17 0.42
SINCE JAN 1 32.76 29.42 3.34 28.68
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 0
MONTH TO DATE 65 67 -2 33
SINCE SEP 1 65 67 -2 33
SINCE JUL 1 95 103 -8 54
COOLING
YESTERDAY 3 2 1 9
MONTH TO DATE 59 44 15 59
SINCE SEP 1 59 44 15 59
SINCE JAN 1 697 583 114 578
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 69 100 PM
AVERAGE 85
......................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 1948
MINIMUM TEMPERATURE (F) 48 31 1991
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 658 AM CDT SUNSET 715 PM CDT
SEPTEMBER 20 2025.....SUNRISE 659 AM CDT SUNSET 714 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page