condition	mean	min	max
4 h after light	14.692250000000001	14.6353	14.7492
8 h after light	16.2546	15.7887	16.7205
12 h after light	15.7863	14.2948	17.2778
4 h after dark	18.5973	16.6338	20.5608
8 h after dark	16.1712	16.0064	16.336
12 h after dark	20.36835	20.1627	20.574