condition	mean	min	max
0 h after light	2.991365	2.26445	3.71828
4 h after light	4.412825	2.80911	6.01654
8 h after light	4.806045	2.86777	6.74432
4 h after dark	6.36165	4.08844	8.63486
8 h after dark	6.453365	6.30551	6.60122
12 h after dark	3.2886100000000003	3.02857	3.54865