condition	mean	min	max
4 h after light	16.1	16.1	16.1
8 h after light	37.3	31.4	43.2
12 h after light	22.65	22.3	23.0
4 h after dark	47.6	46.7	48.5
8 h after dark	38.6	5.0	72.2
12 h after dark	65.65	58.2	73.1