condition	mean	min	max
4 h after light	6.12207	5.8193	6.42484
8 h after light	6.17455	6.10698	6.24212
12 h after light	5.92443	5.41476	6.4341
4 h after dark	9.670815000000001	9.20473	10.1369
8 h after dark	11.53395	11.2136	11.8543
12 h after dark	10.6197	10.561	10.6784