2

The (statistical) variation is not the same as the gradient. The gradient is a measure how things change from here to a nearby point, or from now to a point in the near future. The variation, on the other hand, just says how often wind speeds of different magnitude happen. For example: If the wind were to blow at exactly 30 km/h all the time, then the ...


Only top voted, non community-wiki answers of a minimum length are eligible