condition mean min max 3 h after light 0.039356666666666665 0.0 0.11807 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.527033 0.360441 0.743102 6 h after dark 0.23721733333333334 0.0 0.546674 9 h after dark 0.1524393 0.0 0.370419 12 h after dark 0.0 0.0 0.0