condition	mean	min	max
0 h after light	28.82715	28.1689	29.4854
4 h after light	24.11295	21.3638	26.8621
8 h after light	15.48855	15.2562	15.7209
4 h after dark	18.8437	14.6308	23.0566
8 h after dark	24.33285	24.1861	24.4796
12 h after dark	30.91275	29.5469	32.2786