condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 1.4884633333333335 0.0 8.93078 14 h after light 1.0971033333333333 0.0 6.58262 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0