Original sentence: The light conditions vary considerably from north to south; Andenes in the north will have midnight sun from 22 May to 20 July, and the sun is below the horizon from 28 November to 16 January (Narvik daylight)
Edited sentence: The light conditions vary considerably from north to south; Andenes in the north will have midnight sun from 22 May to 20 July, and the sun is below the horizon from 28 November to 16 January (Narvik daylight)