condition	mean	min	max
0 h after light	10.99745	10.2477	11.7472
4 h after light	8.938	8.72737	9.14863
8 h after light	12.68275	12.3518	13.0137
4 h after dark	18.12115	16.3134	19.9289
8 h after dark	14.57005	14.0261	15.114
12 h after dark	12.5077	12.016	12.9994