condition	mean	min	max
0 h after light	27.983800000000002	27.0819	28.8857
4 h after light	17.478650000000002	15.2354	19.7219
8 h after light	18.4525	16.3913	20.5137
4 h after dark	18.971	17.8362	20.1058
8 h after dark	17.05575	16.9448	17.1667
12 h after dark	22.339750000000002	22.1137	22.5658