condition	mean	min	max
3 h after light	2.229205	1.00341	3.61375
7 h after light	2.23227	0.67191	3.3763
11 h after light	2.788355833333333	1.26796	4.47258
2 h after dark	2.6634866666666666	1.27314	4.70165
6 h after dark	2.61829825	0.802734	4.65664
10 h after dark	2.4436944166666668	0.634183	4.67675