Hyde County, SD Roof Snow Load - 28 psf
Hyde County, SD roof snow load, translated
A typical heated home in Hyde County is designed to carry 28 pounds per square foot of snow on its roof, per ASCE 7-22.
On a roof that means 61.6 in. of fresh snow, 22.4 in. once it packs down, or 5.6 in. of solid ice - three very different piles for the same load. This is a meaningful design load - most modern-code homes handle it fine, though an addition, a carport or a flat-roofed section can be a weak spot.
Hyde County at a glance
- Design roof snow load28 psf
- Ground snow load, ASCE 7 map40 psf
- National rank#302 of 2,758
- South Dakota rank#45 of 65
- Population1,215
- Annual snowfall, NOAA normal40 in.
- FIPS46069
Where Hyde County ranks
#45 of 65 South Dakota counties by design load, top 11% of 2,758 nationally - that's Hyde County's spot. South Dakota counties average 28.2 psf; Hyde County runs 0.2 psf lower than that.
FIPS 46069, population 1,215, centered near 44.5372°N 99.4727°W. ASCE 7's underlying ground snow load here is 40 psf before the code's exposure and importance factors bring it to the 28 psf design figure above.
Hyde County: average annual snowfall
Hyde County sees about 40 in. of snow most winters, per the HIGHMORE 1 W, SD US station's 1991-2020 NOAA normal. See the density guide.
Read this before you use Hyde 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.)