condition	mean	min	max
4 h after light	7.0733645	6.845299	7.30143
8 h after light	7.8955105	7.698035	8.092986
12 h after light	7.367586	6.68027	8.054902
4 h after dark	7.348677	7.30143	7.395924
8 h after dark	6.953670499999999	6.892212	7.015129
12 h after dark	6.269914	6.269914	6.269914