condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.28327816666666666 0.0 0.550826 10 h after light 0.12677966666666665 0.0 0.279475 14 h after light 0.1340485 0.0 0.53669 18 h after light 0.162934 0.0 0.661223 2 h after dark 0.054365833333333335 0.0 0.326195