condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.32519299999999995 0.231253 0.50435 3 h after dark 0.143859 0.0 0.237556 6 h after dark 0.2773443333333333 0.181776 0.405603 9 h after dark 0.0 0.0 0.0 12 h after dark 0.084177 0.0 0.252531