condition	mean	min	max
4 h after light	15.8256	14.5302	17.121
8 h after light	26.5821	23.9785	29.1857
12 h after light	59.79555	57.2116	62.3795
4 h after dark	51.37465	45.1511	57.5982
8 h after dark	58.592600000000004	56.4395	60.7457
12 h after dark	35.19095	33.8416	36.5403