condition	mean	min	max
4 h after light	22.4	22.4	22.4
8 h after light	46.55	23.8	69.3
12 h after light	32.6	17.6	47.6
4 h after dark	55.3	47.5	63.1
8 h after dark	37.0	20.8	53.2
12 h after dark	43.2	43.1	43.3