condition	mean	min	max
4 h after light	50.1	50.1	50.1
8 h after light	17.0	11.0	23.0
12 h after light	32.95	16.0	49.9
4 h after dark	42.4	41.5	43.3
8 h after dark	21.9	21.1	22.7
12 h after dark	16.1	15.2	17.0