Box Elder County, UT Roof Snow Load - Case Study Area
What "Case Study" means for Box Elder County
ASCE 7's own snow load map has no single figure for Box Elder County: the terrain is complex enough that the code (§7.2) requires an elevation-specific study rather than a county-wide value. That is the map being accurate, not a data gap.
FIPS 49003, population 64,120. 386 US counties get this same case-study treatment; Box Elder County is one of them.
Box Elder County at a glance
- Population64,120
- Annual snowfall, NOAA normal12.9 in.
- FIPS49003
Box Elder County: average annual snowfall
Box Elder County sees about 12.9 in. of snow most winters, per the UTAH TEST RANGE, UT US station's 1991-2020 NOAA normal. 40.1 mi is a real gap between Box Elder County and its nearest reporting station, so local snowfall can diverge from this figure, especially near elevation changes. See the density guide.
Read this before you use Box Elder County's figure
The figure above assumes the case ASCE 7-22 treats as typical: a heated, ordinary-occupancy home on a partially exposed site. Change any of those - exposure, heating, roof pitch, occupancy category - and the real design number moves.
A building permit needs the number at your exact address, not the county average - the free ASCE 7 Hazard Tool returns that from your coordinates in about a minute and produces a PDF a plan reviewer will accept. (How this figure is calculated.)