condition	mean	min	max
4 h after light	14.28567	7.48741	20.3887
8 h after light	13.845326666666667	4.74598	22.5881
12 h after light	23.6788	14.8925	33.5736
4 h after dark	23.4408	20.4523	27.1538
8 h after dark	20.819033333333334	15.7101	24.1512
12 h after dark	24.143433333333334	22.9686	26.111