condition	mean	min	max
4 h after light	38.6	38.6	38.6
8 h after light	20.55	5.4	35.7
12 h after light	14.65	1.8	27.5
4 h after dark	20.55	17.8	23.3
8 h after dark	21.4	13.3	29.5
12 h after dark	39.3	23.9	54.7