condition	mean	min	max
4 h after light	2.72069	2.59609	2.84529
8 h after light	4.81138	4.69	4.93276
12 h after light	6.133635	5.79499	6.47228
4 h after dark	6.054	6.0248	6.0832
8 h after dark	5.21927	4.73432	5.70422
12 h after dark	3.80641	3.45427	4.15855