condition	mean	min	max
0 h after light	20.35495	19.7307	20.9792
4 h after light	22.40045	20.3228	24.4781
8 h after light	20.2228	19.6671	20.7785
4 h after dark	20.175150000000002	19.8901	20.4602
8 h after dark	19.696550000000002	19.6704	19.7227
12 h after dark	18.1343	17.7716	18.497