Eight product lines, the same in every city. Pick a city and see only what it has on: today's lines, the dates on offer, the prices, and the record of the days already settled.
Temperature, rain, wind and humidity at the target hour; the station's daily high and low; the WDI and TDI indices. A city shows only the lines it has on.
Each line offers tomorrow, three, seven and fourteen days out. One date shows; the others are a tap away. Under each line, the record of the days already settled.