condition	mean	min	max
4 h after light	3.4828400000000004	2.37332	4.59236
8 h after light	5.503935	5.03848	5.96939
12 h after light	5.51779	4.83467	6.20091
4 h after dark	6.917315	6.1119	7.72273
8 h after dark	5.529685	5.01746	6.04191
12 h after dark	4.58249	3.83743	5.32755