San Patricio County, TX Roof Snow Load - 0 psf
What ASCE 7 says about snow load in San Patricio County
That's San Patricio County's design roof snow load per ASCE 7-22, for a typical heated single-family home - the number a permit reviewer starts from.
Converted to something you can actually eyeball on a roof: about 0 in. of fresh powder, 0 in. once it settles and packs down, or just 0 in. if it's turned to ice. This county’s ground snow load maps to zero - snow load is not a driver of roof design here.
San Patricio County at a glance
- Design roof snow load0 psf
- Ground snow load, ASCE 7 map0 psf
- National rank#2,593 of 2,758
- Texas rank#218 of 254
- Population71,467
- Annual snowfall, NOAA normal0.2 in.
- FIPS48409
Where San Patricio County's figure sits nationally
Out of 2,758 rated US counties, San Patricio County sits at #2,593, the top 94% nationally - #218 of 254 within Texas. Texas counties average 5.4 psf; San Patricio County runs 5.4 psf lower than that.
Near 28.0118°N 97.5172°W, FIPS 48409: San Patricio County counts 71,467 residents and a 0 psf map value, which the code's own factors turn into 0 psf.
How much it actually snows in San Patricio County
Most winters bring San Patricio County roughly 0.2 in. of snow - NOAA's normal at CORPUS CHRISTI, TX US, 15.8 mi off. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
San Patricio 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 San Patricio County's county-wide figure. Details: the calculation guide.