condition	mean	min	max
4 h after light	2.22365	0.0	4.4473
8 h after light	5.1152750000000005	4.82575	5.4048
12 h after light	12.079085	8.75587	15.4023
4 h after dark	11.608630000000002	9.75496	13.4623
8 h after dark	5.7571200000000005	5.73166	5.78258
12 h after dark	3.345395	1.89765	4.79314