Aleutians West Census Area, AK Snow Load: Case Study Area
Aleutians West Census Area, AK: no map figure, on purpose
ASCE 7's own snow load map has no single figure for Aleutians West Census Area: 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 02016, population 5,424. 386 US counties get this same case-study treatment; Aleutians West Census Area is one of them.
Aleutians West Census Area at a glance
- Population5,424
- Annual snowfall, NOAA normal64.3 in.
- FIPS02016
Aleutians West Census Area: average annual snowfall
Aleutians West Census Area sees about 64.3 in. of snow most winters, per the ST PAUL ISLAND AP, AK US station's 1991-2020 NOAA normal. Worth noting: the nearest station reporting snowfall normals sits 542.2 mi from Aleutians West Census Area's center, so treat this as a regional figure rather than an exact one. See the density guide.
Read this before you use Aleutians West Census Area'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.)