condition	mean	min	max
4 h after light	3.475155	3.01402	3.93629
8 h after light	3.285425	3.26456	3.30629
12 h after light	3.579185	3.29991	3.85846
4 h after dark	4.346933333333333	3.87024	4.85173
8 h after dark	3.973106666666667	3.94707	3.99052
12 h after dark	3.76078	3.42126	3.95598