293
CDUS43 KDMX 160634
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1234 AM CST TUE DEC 16 2025
...............................
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 15 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 30 348 PM 69 2021 30 0 34
MINIMUM 8 1217 AM -20 1922 14 -6 31
AVERAGE 19 22 -3 33
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 2012 0.04 -0.04 0.00
MONTH TO DATE 0.18 0.66 -0.48 0.08
SINCE DEC 1 0.18 0.66 -0.48 0.08
SINCE JAN 1 36.93 35.62 1.31 32.83
SNOWFALL (IN)
YESTERDAY 0.0 5.0 1940 0.3 -0.3 0.0
MONTH TO DATE 4.0 4.0 0.0 0.6
SINCE DEC 1 4.0 4.0 0.0 0.6
SINCE JUL 1 14.2 7.4 6.8 1.1
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 46 43 3 32
MONTH TO DATE 765 611 154 636
SINCE DEC 1 765 611 154 636
SINCE JUL 1 2078 2268 -190 1854
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 S (180)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 PM
LOWEST 67 200 AM
AVERAGE 82
......................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 61 1939
MINIMUM TEMPERATURE (F) 13 -21 1932
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 739 AM CST SUNSET 439 PM CST
DECEMBER 17 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page