condition	mean	min	max
4 h after light	3.241815	2.98263	3.501
8 h after light	1.6318700000000002	1.57329	1.69045
12 h after light	2.38551	2.18156	2.58946
4 h after dark	2.76793	2.14089	3.39497
8 h after dark	2.53418	2.27882	2.78954
12 h after dark	2.53325	2.10895	2.95755