condition	mean	min	max
0 h after light	7.986075	7.82742	8.14473
4 h after light	8.813745	8.58107	9.04642
8 h after light	7.745385000000001	6.53958	8.95119
4 h after dark	10.47219	9.76348	11.1809
8 h after dark	10.33925	10.1222	10.5563
12 h after dark	8.932495	8.65281	9.21218