condition	mean	min	max
4 h after light	5.259875	4.22579	6.29396
8 h after light	4.2741050000000005	4.21223	4.33598
12 h after light	4.159560000000001	4.06493	4.25419
4 h after dark	5.677725000000001	5.423	5.93245
8 h after dark	7.34462	6.86492	7.82432
12 h after dark	7.664255000000001	7.0948	8.23371