condition	mean	min	max
0 h after light	22.9692	22.8796	23.0588
4 h after light	16.67905	15.8662	17.4919
8 h after light	15.3666	15.026	15.7072
4 h after dark	18.887900000000002	17.5081	20.2677
8 h after dark	18.74555	18.3418	19.1493
12 h after dark	19.87245	18.5205	21.2244