364
CDUS43 KDMX 170636
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1236 AM CST WED DEC 17 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 16 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 41 854 PM 61 1939 29 12 45
MINIMUM 13 339 AM -21 1932 13 0 27
AVERAGE 27 21 6 36
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 1908 0.04 -0.04 0.00
MONTH TO DATE 0.18 0.70 -0.52 0.08
SINCE DEC 1 0.18 0.70 -0.52 0.08
SINCE JAN 1 36.93 35.66 1.27 32.83
SNOWFALL (IN)
YESTERDAY 0.0 5.0 1940 0.3 -0.3 0.0
MONTH TO DATE 4.0 4.3 -0.3 0.6
SINCE DEC 1 4.0 4.3 -0.3 0.6
SINCE JUL 1 14.2 7.7 6.5 1.1
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 38 44 -6 29
MONTH TO DATE 803 655 148 665
SINCE DEC 1 803 655 148 665
SINCE JUL 1 2116 2312 -196 1883
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 759 602 157 626
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 13.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 800 AM
LOWEST 69 100 PM
AVERAGE 83
......................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 57 1939
MINIMUM TEMPERATURE (F) 13 -18 1983
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 740 AM CST SUNSET 440 PM CST
DECEMBER 18 2025......SUNRISE 740 AM CST SUNSET 440 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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