condition	mean	min	max
0 h after light	22.079349999999998	20.8262	23.3325
4 h after light	16.5059	13.5193	19.4925
8 h after light	10.38406	9.73682	11.0313
4 h after dark	18.5539	18.3541	18.7537
8 h after dark	20.5624	20.148	20.9768
12 h after dark	23.6248	20.525	26.7246