condition	mean	min	max
0 h after light	17.244300000000003	16.9552	17.5334
4 h after light	18.205399999999997	17.7415	18.6693
8 h after light	23.081	20.9411	25.2209
4 h after dark	24.75485	22.9737	26.536
8 h after dark	20.6786	17.8173	23.5399
12 h after dark	17.0828	15.7854	18.3802