445
CDUS43 KDMX 180633
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
133 AM CDT SAT OCT 18 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 17 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 74 1134 AM 85 1947 59 15 69
MINIMUM 51 1139 PM 18 1952 36 15 31
AVERAGE 63 48 15 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 1994 0.08 -0.08 0.00
MONTH TO DATE 1.10 1.53 -0.43 T
SINCE SEP 1 2.22 4.98 -2.76 0.43
SINCE JAN 1 34.04 32.29 1.75 28.69
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1990 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 17 -15 15
MONTH TO DATE 110 234 -124 183
SINCE SEP 1 186 398 -212 246
SINCE JUL 1 216 434 -218 267
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 2 34 6
SINCE SEP 1 122 59 63 97
SINCE JAN 1 760 598 162 616
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 59 1200 PM
AVERAGE 78
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THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 85 1920
MINIMUM TEMPERATURE (F) 36 17 1972
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 731 AM CDT SUNSET 625 PM CDT
OCTOBER 19 2025.......SUNRISE 732 AM CDT SUNSET 623 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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