Light

ZIP Code 97823

Gilliam County, Oregon — Condon

20PSF (Ground Snow Load)
LightClassification

What This Means

Gilliam County, Oregon has a light ground snow load of 20 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code97823
CountyGilliam
CityCondon
StateOregon (OR)
Ground Snow Load20 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 20 PSF

Roof Snow Load: 14 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Gilliam County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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97820 10 PSF Light 97821 15 PSF Light 97824 CS Case Study 97825 10 PSF Light 97826 15 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 97823?

ZIP code 97823 is in Gilliam County, Oregon, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 97823?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 97823 in?

ZIP code 97823 is in Gilliam County, Oregon (OR).