condition	mean	min	max
4 h after light	2.33968	1.77944	2.89992
8 h after light	2.136585	2.01976	2.25341
12 h after light	2.05492	1.46552	2.64432
4 h after dark	2.139143333333333	1.62985	2.47115
8 h after dark	2.6386866666666666	2.37989	3.06358
12 h after dark	3.23389	2.54412	4.25027