condition	mean	min	max
4 h after light	17.030749999999998	16.5685	17.493
8 h after light	17.35335	16.0297	18.677
12 h after light	13.2802	12.9535	13.6069
4 h after dark	20.7091	19.4928	21.9254
8 h after dark	22.8929	21.9951	23.7907
12 h after dark	23.101300000000002	21.4346	24.768