condition	mean	min	max
4 h after light	11.6	11.6	11.6
8 h after light	22.7	3.0	42.4
12 h after light	27.75	11.8	43.7
4 h after dark	29.4	16.4	42.4
8 h after dark	13.9	0.8	27.0
12 h after dark	17.75	4.8	30.7