condition	mean	min	max
0 h after light	21.035449999999997	20.2048	21.8661
4 h after light	16.7106	15.2548	18.1664
8 h after light	13.1302	11.5433	14.7171
4 h after dark	14.2692	13.3426	15.1958
8 h after dark	16.454900000000002	16.4269	16.4829
12 h after dark	21.36865	19.1362	23.6011