condition	mean	min	max
4 h after light	6.9033766666666665	4.99118	8.74462
8 h after light	5.817220000000001	3.05643	7.60866
12 h after light	11.610913333333333	8.66104	13.6966
4 h after dark	10.17433	7.66719	11.6131
8 h after dark	6.7136700000000005	5.37426	8.21671
12 h after dark	5.46006	4.48358	6.33119