condition	mean	min	max
0 h after light	31.83505	30.6843	32.9858
4 h after light	15.449275	9.29205	21.6065
8 h after light	23.68075	20.9792	26.3823
4 h after dark	20.881	13.8841	27.8779
8 h after dark	33.7645	28.0806	39.4484
12 h after dark	16.36822	9.20684	23.5296