condition	mean	min	max
4 h after light	2.9559699999999998	1.90362	4.90311
8 h after light	2.4436656666666665	0.961067	3.20232
12 h after light	4.10804	2.4839	6.0772
4 h after dark	3.86999	3.18011	5.17354
8 h after dark	4.56488	3.62903	6.12698
12 h after dark	2.83587	1.92177	4.08237