Напоминаю, ясно (clear) или облачно (cloudy), определяется так:
Clear
Sunny, Clear, Fair, Partly Cloudy, Mostly Sunny, Mostly Clear, Hazy.
Cloudy
ClearVariable, ClearMostly, Cloudy, Isolated T-Storms, Scattered T-Storms, T-Storms, Strong T-Storms, Severe T-Storms, Few Showers, Showers, Light Rain, Rain, Heavy Rain, Foggy.
Clear
Sunny, Clear, Fair, Partly Cloudy, Mostly Sunny, Mostly Clear, Hazy.
Cloudy
ClearVariable, ClearMostly, Cloudy, Isolated T-Storms, Scattered T-Storms, T-Storms, Strong T-Storms, Severe T-Storms, Few Showers, Showers, Light Rain, Rain, Heavy Rain, Foggy.