condition	mean	min	max
0 h after light	18.1373	17.3391	18.9355
4 h after light	20.34785	19.5931	21.1026
8 h after light	21.37225	21.1324	21.6121
4 h after dark	25.938000000000002	25.3288	26.5472
8 h after dark	21.87695	20.9317	22.8222
12 h after dark	19.2024	18.2206	20.1842