condition	mean	min	max
0 h after light	12.11645	9.8831	14.3498
4 h after light	17.7673	16.8009	18.7337
8 h after light	23.37135	21.4544	25.2883
4 h after dark	20.5255	17.6167	23.4343
8 h after dark	23.1767	22.3033	24.0501
12 h after dark	12.1191	10.6579	13.5803