condition	mean	min	max
4 h after light	8646.6	8646.6	8646.6
8 h after light	8261.1	7899.7	8622.5
12 h after light	7525.1	7398.0	7652.2
4 h after dark	7514.1	6892.2	8136.0
8 h after dark	7041.9	6839.9	7243.9
12 h after dark	6824.450000000001	6343.6	7305.3