# DailyWeatherStatistics A structure that holds a collection of day weather statistics data. ``` struct DailyWeatherStatistics where T : Decodable, T : Encodable, T : Equatable, T : Sendable ``` ## Overview Weather statistics for each day are derived from data for that day, collected over all years since the baseline start date. ## Topics ### Instance Properties [`var baselineStartDate: Date`](/documentation/WeatherKit/DailyWeatherStatistics/baselineStartDate) The year the statistics collection began. [`var days: [T]`](/documentation/WeatherKit/DailyWeatherStatistics/days) An ordered collection of day weather statistics data of type `T`, for each requested day. [`var endIndex: DailyWeatherStatistics.Index`](/documentation/WeatherKit/DailyWeatherStatistics/endIndex) The end index for the daily weather statistics. [`var metadata: WeatherMetadata`](/documentation/WeatherKit/DailyWeatherStatistics/metadata) Descriptive information about the weather statistics data. [`var startIndex: DailyWeatherStatistics.Index`](/documentation/WeatherKit/DailyWeatherStatistics/startIndex) The start index for the daily weather statistics. ### Subscripts [`subscript(DailyWeatherStatistics.Index) -> DailyWeatherStatistics.Element`](/documentation/WeatherKit/DailyWeatherStatistics/subscript(_:)) The day weather statistics at the provided index. ## Relationships ### Conforms To [`Decodable`](/documentation/Swift/Decodable) [`Sendable`](/documentation/Swift/Sendable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Encodable`](/documentation/Swift/Encodable) [`BidirectionalCollection`](/documentation/Swift/BidirectionalCollection) [`Collection`](/documentation/Swift/Collection) [`RandomAccessCollection`](/documentation/Swift/RandomAccessCollection) [`Sequence`](/documentation/Swift/Sequence) [`Equatable`](/documentation/Swift/Equatable) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)