condition	mean	min	max
0 h after light	20.8069	20.7857	20.8281
4 h after light	17.19945	16.5381	17.8608
8 h after light	16.1764	15.9659	16.3869
4 h after dark	21.37725	20.8853	21.8692
8 h after dark	19.70095	18.8496	20.5523
12 h after dark	19.190350000000002	18.5772	19.8035