condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.5309083333333333 0.0 2.08776 10 h after light 0.6185533333333333 0.0 2.07522 14 h after light 0.528965 0.0 1.80719 18 h after light 0.3528005 0.0 1.00868 2 h after dark 0.19045033333333333 0.0 0.694751