condition	mean	min	max
0 h after light	9.71186	9.6722	9.75152
4 h after light	9.36487	8.66254	10.0672
8 h after light	8.409905	8.22291	8.5969
4 h after dark	8.85306	8.2497	9.45642
8 h after dark	10.215435	9.78087	10.65
12 h after dark	9.32843	9.25632	9.40054