
(modified, base 50☏/ceiling 86☏ season runs 1 Jan - 31 Dec) Cumulative Freezing Degree Day Units for the winter seasons:.Cumulative Cooling Degrees Days for the Seasonįreezing Degree Days (base 32☏ season runs 1 July - 30 June).Heating Degree Days (base 65☏ season runs 1 July - 30 June)Ĭooling Degree Days (base 65☏ season runs 1 January - 31 December) Frequency of occurrence of a White Christmas (1 inch or more of snow cover at 6 am on 25 December) at the Madison Airport (1951-2020).Seasonal distribution of monthly average snow depth Airport (1981-2010).Number of days per season with four inches or greater snow cover on the ground at.Madison Period of Record -City & Airport (1904/05-present).Madison Airport Office (1940/41-present).Maximum depth of snow cover on the ground at.Number of days per season with one inch or greater snow cover on.Madison Airport Office (1939/40-present).Number of days per season with one inch or greater snowfall at Madison:.NOTE: Greatest calendar-day snowfall totals (based upon local midnight) at this station may not necessarily correspond with greatest 24-hour snowfall totals obtained from the hourly records.Greatest daily snowfall total by snow season at Madison.Long-term seasonal snowfall since 1884/85.Daily Cumulative Snowfall (not snow depth).Precipitation Frequency Distribution for Madison Number of Days per year with one inch or greater precipitation at.Number of Days per year with measurable precipitation (0.01 inches or greater) at.NOTE: Greatest calendar-day precipitation totals (based upon local midnight) at this station may not necessarily correspond with greatest 24-hour precipitation totals obtained from the hourly precipitation records.Greatest daily precipitation total by year at.Long-term and Seasonal Precipitation ( explanation):.(commencing on 1 Oct for Water Year) 2001


John Young, Director & Professor Emeritus Wisconsin State Climatology Office - Madison Climate
