condition mean min max 0 h after light 13.72905 13.7168 13.7413 4 h after light 0.77647 0.0 1.55294 8 h after light 0.0 0.0 0.0 4 h after dark 1.502765 0.0 3.00553 8 h after dark 3.021055 1.50104 4.54107 12 h after dark 19.736835 4.46667 35.007