condition	mean	min	max
4 h after light	17.1323675	16.69616	17.568575
8 h after light	27.0306825	25.486605	28.57476
12 h after light	19.4810885	18.243605	20.718572
4 h after dark	24.565801999999998	21.22614	27.905464
8 h after dark	17.017619	12.917577	21.117661
12 h after dark	16.276475	16.276475	16.276475