condition	mean	min	max
4 h after light	8.91456	8.22229	9.60683
8 h after light	9.817895	9.7874	9.84839
12 h after light	6.94594	6.7589	7.13298
4 h after dark	3.58862	2.50389	4.17398
8 h after dark	1.354891	0.707433	2.11936
12 h after dark	1.8801366666666668	0.0	3.45716