condition	mean	min	max
4 h after light	3286.474626	2644.024888	3928.924364
8 h after light	3307.091585	3184.885353	3429.297817
12 h after light	3425.250579	3397.448368	3453.05279
4 h after dark	2641.974681	2226.454039	3057.495323
8 h after dark	2554.886902	2507.792561	2601.981243
12 h after dark	2433.967033	2433.967033	2433.967033