condition	mean	min	max
4 h after light	12.12155	10.5129	13.7302
8 h after light	8.836659999999998	8.56374	9.10958
12 h after light	8.981494999999999	8.65594	9.30705
4 h after dark	15.6758	15.082	16.2696
8 h after dark	19.778750000000002	19.5863	19.9712
12 h after dark	21.12355	20.1966	22.0505