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 1.040545 0.0 6.24327 14 h after light 0.7516316666666666 0.0 4.50979 18 h after light 0.0 0.0 0.0 2 h after dark 0.7985666666666668 0.0 4.7914