condition	mean	min	max
4 h after light	24.1	24.1	24.1
8 h after light	16.9	12.1	21.7
12 h after light	13.0	5.1	20.9
4 h after dark	39.2	30.0	48.4
8 h after dark	41.45	30.1	52.8
12 h after dark	28.4	23.0	33.8