---
title: "Design Lag Station"
method: GET
path: "/api/design-lag/station"
tags: ["Other"]
---

# Design Lag Station

`GET /api/design-lag/station`

## Request

- Base URL: `https://epw.tools`
- URL: `https://epw.tools/api/design-lag/station`
- Auth: none declared

How often each ASHRAE edition's design dry-bulb values were exceeded at a station, inside the data window
and in the years after it (ratio to nominal), plus the expected exceedance for the 2025 edition. Public, no key.
The published design values themselves are not returned.

## Query parameters

- `wmo` string, nullable: WMO station number
- `lat` number, nullable
- `lon` number, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/epw/apis/epw-tools-api.md) · [All operations](https://skmtc.dev/epw/apis/epw-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/epw/apis/epw-tools-api/revisions/e6b60fc7a6d7?raw)