Andrews County, TX Roof Snow Load - 5 psf
What ASCE 7 says about snow load in Andrews County
That's Andrews County's design roof snow load per ASCE 7-22, for a typical heated single-family home - the number a permit reviewer starts from. Flat and low-pitch roofs in Andrews County are actually governed by ASCE 7's §7.3.4 minimum of 5 psf, not the 3.5 psf the ground-load formula alone would produce.
Converted to something you can actually eyeball on a roof: about 11 in. of fresh powder, 4 in. once it settles and packs down, or just 1 in. if it's turned to ice. A modest addition to standard roof loading. Ordinary residential construction handles this without extra bracing.
Andrews County in numbers
- Design roof snow load5 psf
- Ground snow load, ASCE 7 map5 psf
- National rank#2,307 of 2,758
- Texas rank#135 of 254
- Population18,923
- Annual snowfall, NOAA normal1.9 in.
- FIPS48003
Where Andrews County's figure sits nationally
Out of 2,758 rated US counties, Andrews County sits at #2,307, the top 84% nationally - #135 of 254 within Texas. 5.4 psf is Texas's typical county figure - Andrews County comes in 0.4 psf under it.
Near 32.3123°N 102.6402°W, FIPS 48003: Andrews County counts 18,923 residents and a 5 psf map value, which the code's own factors turn into 5 psf.
How much it actually snows in Andrews County
Most winters bring Andrews County roughly 1.9 in. of snow - NOAA's normal at JAL, NM US, 34.9 mi off. That station is far enough away (34.9 mi) that local snowfall - especially at a different elevation or near a lake - can run noticeably higher or lower than this figure. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
Andrews County's number above is ASCE 7-22's default case, not a custom calculation: ordinary residential occupancy, heated, sited on ground that's neither fully sheltered nor fully exposed. Any one of those changing - pitch, exposure, heating, occupancy - moves the real figure.
Nothing here substitutes for an address-level number. Get one free, in about a minute, from the ASCE 7 Hazard Tool using your own coordinates rather than Andrews County's county-wide figure. (How this figure is calculated.)