St. James Parish, LA Roof Snow Load - 0 psf
What ASCE 7 says about snow load in St. James Parish
That's St. James Parish'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.
St. James Parish in numbers
- Design roof snow load0 psf
- Ground snow load, ASCE 7 map0 psf
- National rank#2,676 of 2,758
- Louisiana rank#61 of 64
- Population19,110
- Annual snowfall, NOAA normal0 in.
- FIPS22093
Where St. James Parish's figure sits nationally
Out of 2,758 rated US counties, St. James Parish sits at #2,676, the top 97% nationally - #61 of 64 within Louisiana. That's 2.4 psf below Louisiana's own county-average design load of 2.4 psf.
Near 30.0248°N 90.794°W, FIPS 22093: St. James Parish counts 19,110 residents and a 0 psf map value, which the code's own factors turn into 0 psf.
How much it actually snows in St. James Parish
Most winters bring St. James Parish roughly 0 in. of snow - NOAA's normal at RESERVE, LA US, 13 mi off. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
St. James Parish'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 St. James Parish's county-wide figure. See the methodology guide.