condition	mean	min	max
4 h after light	8.515825	6.53585	10.4958
8 h after light	6.273305000000001	6.20112	6.34549
12 h after light	7.353595	6.46728	8.23991
4 h after dark	9.736315000000001	9.43163	10.041
8 h after dark	7.661385	7.34274	7.98003
12 h after dark	9.44141	8.09452	10.7883