condition mean min max 4 h after light 0.01659055 0.0 0.0331811 8 h after light 0.0 0.0 0.0 12 h after light 0.022269399999999998 0.013899 0.0306398 4 h after dark 0.007777133333333333 0.0 0.0233314 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0119407 0.0 0.0358221