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

# medium

The percentage of the sky covered with mid-altitude clouds. Medium-level Cloud Cover (MCC) corresponds to levels between 1800m and 6300m above the model’s earth surface.

## Declaration

```swift
var medium: Double
```

## Discussion

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