Calumet County, WI Roof Snow Load - 24.5 psf

Calumet County, WI: your roof's ASCE 7 snow number, in plain English

In depth, not weight: that's roughly 53.9 inches of fresh, light snow, 19.6 inches of old, settled snow, or as little as 4.9 inches of solid ice - snow that heavy is rare here but ice from a freeze-thaw cycle adds up far faster than the depth suggests. A meaningful design load. Most homes built to modern code handle it, but additions, carports, and flat-roofed sections are worth a second look.

Calumet County at a glance

• Design roof snow load24.5 psf
• Ground snow load, ASCE 7 map35 psf
• National rank#324 of 2,758
• Wisconsin rank#49 of 72
• Population53,602
• Annual snowfall, NOAA normal43.2 in.
• FIPS55015

Calumet County by the numbers

Nationally that's #324 out of 2,758 rated counties, the top 12%; within Wisconsin alone, Calumet County ranks #49 of 72. That's 6.4 psf below Wisconsin's own county-average design load of 30.9 psf.

Calumet County, FIPS 55015, is home to 53,602 people near 44.0784°N 88.2121°W. Its 35 psf ground snow load figure is the map value; 24.5 psf is what a roof is actually designed for.

Calumet County's snowfall, most winters

43.2 in. a year: that's Calumet County's NOAA 1991-2020 snowfall normal, measured at BRILLION, WI US (8.7 mi away). See the density guide.

Before you rely on Calumet County's number

Treat the Calumet County figure as a starting point, not a final answer: it assumes standard occupancy, a heated structure and a moderately sheltered site, per ASCE 7-22's own defaults. Exposed terrain, an unheated building or a steeper roof all shift the real number.

For a real application, skip the county number and go straight to the ASCE 7 Hazard Tool - enter your coordinates and it returns a site-specific figure a plan reviewer will recognize. (How this figure is calculated.)