condition	mean	min	max
4 h after light	8.371935	7.21448	9.52939
8 h after light	8.43291	8.3931	8.47272
12 h after light	9.903974999999999	9.82746	9.98049
4 h after dark	14.48685	12.7042	16.2695
8 h after dark	10.22045	10.0484	10.3925
12 h after dark	9.300795	9.10923	9.49236