condition	mean	min	max
4 h after light	21.18355	20.3656	22.0015
8 h after light	25.7163	24.5831	26.8495
12 h after light	29.09075	24.6744	33.5071
4 h after dark	32.7989	32.142	33.4558
8 h after dark	32.887	32.4345	33.3395
12 h after dark	27.3012	26.6354	27.967