condition	mean	min	max
4 h after light	43.4857715	27.078181	59.893362
8 h after light	48.9291315	35.881125	61.977138
12 h after light	32.080197	26.805267	37.355127
4 h after dark	22.2422875	21.404902	23.079673
8 h after dark	20.4396885	16.636725	24.242652
12 h after dark	21.933647	21.933647	21.933647