condition	mean	min	max
0 h after light	4.30914	3.9664	4.65188
4 h after light	6.063465	5.81829	6.30864
8 h after light	8.53044	7.68121	9.37967
4 h after dark	7.805665	7.44026	8.17107
8 h after dark	6.596285	5.28447	7.9081
12 h after dark	5.295655	4.63736	5.95395