condition	mean	min	max
4 h after light	8.471692000000001	8.188564	8.75482
8 h after light	8.1457815	7.534456	8.757107
12 h after light	9.064261	7.824561	10.303961
4 h after dark	8.427907	8.188564	8.66725
8 h after dark	9.198504	7.47796	10.919048
12 h after dark	7.315939	7.315939	7.315939