condition	mean	min	max
0 h after light	9.225715000000001	9.1058	9.34563
4 h after light	3.0452950000000003	2.93502	3.15557
8 h after light	1.445955	1.39324	1.49867
4 h after dark	5.228400000000001	5.1551	5.3017
8 h after dark	7.029915000000001	6.36734	7.69249
12 h after dark	10.4981	10.1928	10.8034