---
title: high
framework: weatherkit
role: symbol
role_heading: Instance Property
path: weatherkit/cloudcoverbyaltitude/high
---

# high

The percentage of the sky covered with high-altitude clouds. High-level Cloud Cover (HCC)corresponds to levels higher than 6300m above the model’s earth surface.

## Declaration

```swift
var high: Double
```

## Discussion

Discussion The value is from 0 (no cloud cover)  to 1 (complete cloud cover).