Bring context to today’s weather

2:40 - Fetch Precipitation Amount

import CoreLocation
import Foundation
import WeatherKit


extension CLLocation {
    static var newYork: CLLocation {
        CLLocation(latitude: 50.710, longitude: -74.006)
    }
}

let hourlyPrecipitation = try await WeatherService()
    .weather(for: .newYork, including: .hourly)
    .map(\.precipitationAmount)

3:25 - Fetch Precipitation Amount (REST)

https://weatherkit.apple.com/api/v2/weather/en-US/40.710/-74.006?dataSets=forecastHourly&relativeHourlyStart=0&relativeHourlyEnd=1&hourlyRelativeTo=now&timezone=America/New_York

6:05 - Weather Changes

import CoreLocation
import Foundation
import WeatherKit


extension Date {
    var isTomorrow: Bool {
        return Calendar.current.isDateInTomorrow(self)
    }
}

let changes = try await WeatherService()
   .weather(for: .newYork, including: .changes)

let lowTemperatureChanges = changes?
   .filter(\.date.isTomorrow)
   .map(\.lowTemperature)

if let lowTemperatureChanges, lowTemperatureChanges.contains(.decrease) {
   // Lower temperatures expected tomorrow

}

6:43 - Weather Changes (REST)

https://weatherkit.apple.com/api/v2/weather/en-US/40.710/-74.006?dataSets=weatherChanges

8:17 - Historical Comparisons

import CoreLocation
import Foundation
import WeatherKit


let mostSignificant = try await WeatherService()
    .weather(for: .newYork, including: .historicalComparisons)?
    .first

switch mostSignificant {
case .highTemperature(let trend), .lowTemperature(let trend):
    // Display temperature trend
    break
case .some, .none:
    break
}

8:36 - Historical Comparisons (REST)

https://weatherkit.apple.com/api/v2/weather/en-US/40.710/-74.006?dataSets=historicalComparisons

11:11 - Monthly Statistics

import CoreLocation
import Foundation
import WeatherKit


let averagePrecipitation = try await WeatherService()
    .monthlyStatistics(
        for: .newYork,
        startMonth: 1,
        endMonth: 12,
        including: .precipitation
    )

let averagePrecipitationAmountsPerMonth = Dictionary(
    grouping: averagePrecipitation,
    by: \.month
)

11:41 - Monthly Statistics (REST)

https://weatherkit.apple.com/api/v2/statistics/monthly/40.710/-74.006?dataSets=precipitation&start=1&end=12

12:52 - Daily Summary

import CoreLocation
import Foundation
import WeatherKit


extension Date {
    static var thirtyDaysAgo: Date {
        return Calendar.current.date(byAdding: .day, value: -30, to: .now)!
    }
}

let pastThirtyDaysSummary = try await WeatherService()
    .dailySummary(
       for: .newYork,
       forDaysIn: DateInterval(start: .thirtyDaysAgo, end: .now),
       including: .precipitation
    )
    .first

if let pastThirtyDaysSummary {
    // We have a daily weather summary for each day in the past 30 days

}

13:22 - Daily Summary (REST)

https://weatherkit.apple.com/api/v2/summary/daily/40.710/-74.006?dataSets=precipitation&start=2024-05-12&end=2024-06-10