condition	mean	min	max
4 h after light	5.75952	4.75291	6.76613
8 h after light	6.890045000000001	6.6858	7.09429
12 h after light	9.05232	8.85368	9.25096
4 h after dark	11.1525	10.6488	11.5333
8 h after dark	10.103810000000001	9.76463	10.489
12 h after dark	7.15419	6.80958	7.59313