condition	mean	min	max
4 h after light	6.838888889	6.39	7.37
8 h after light	6.659444444333333	6.555	6.83
12 h after light	5.36	3.83	7.61
1.5 h after dark	4.502222222333334	3.586666667	6.15
5.5 h after dark	5.034444444333333	2.356666667	6.593333333
9.5 h after dark	7.0988888889999995	5.816666667	7.85