condition	mean	min	max
4 h after light	77.1	77.1	77.1
8 h after light	17.5	12.0	23.0
12 h after light	15.149999999999999	11.1	19.2
4 h after dark	6.9	6.5	7.3
8 h after dark	27.0	22.7	31.3
12 h after dark	23.9	23.8	24.0