condition	mean	min	max
4 h after light	1.949455	1.19306	2.70585
8 h after light	1.714435	1.47367	1.9552
12 h after light	2.02675	2.00895	2.04455
4 h after dark	1.4689833333333333	1.41787	1.56784
8 h after dark	2.23705	1.84496	2.68232
12 h after dark	1.8723266666666667	1.73047	1.97343