CDUS43 KDMX 140637 CLIMCW CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 1237 AM CST SUN DEC 14 2025 ................................... ...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 13 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 4 341 PM 56 1998 30 -26 21 MINIMUM -1 1159 PM -22 1917 14 -15 -1 AVERAGE 2 22 -20 10 PRECIPITATION (IN) YESTERDAY 0.00 0.80 2015 0.04 -0.04 0.00 MONTH TO DATE 0.18 0.58 -0.40 0.02 SINCE DEC 1 0.18 0.58 -0.40 0.02 SINCE JAN 1 36.93 35.54 1.39 32.77 SNOWFALL (IN) YESTERDAY 0.0 5.5 1937 0.3 -0.3 0.0 MONTH TO DATE 4.0 3.4 0.6 0.6 SINCE DEC 1 4.0 3.4 0.6 0.6 SINCE JUL 1 14.2 6.8 7.4 1.1 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 63 43 20 55 MONTH TO DATE 653 525 128 566 SINCE DEC 1 653 525 128 566 SINCE JUL 1 1966 2182 -216 1784 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 24 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 16.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 71 600 PM LOWEST 62 400 AM AVERAGE 67 .......................................................... THE MASON CITY IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 30 55 1998 MINIMUM TEMPERATURE (F) 14 -17 1926 SUNRISE AND SUNSET DECEMBER 14 2025......SUNRISE 738 AM CST SUNSET 439 PM CST DECEMBER 15 2025......SUNRISE 738 AM CST SUNSET 439 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$