condition	mean	min	max
3 h after light	4.1809375	1.41283	8.14593
7 h after light	4.078176666666667	1.57436	7.68273
11 h after light	4.8347525000000005	2.90101	8.00793
2 h after dark	4.8388366666666665	2.81785	8.39325
6 h after dark	4.424258333333333	2.885	7.08375
10 h after dark	4.60571	2.01931	7.75983