condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.085685 0.0 0.257055 12 h after light 0.023679966666666667 0.0 0.0710399 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0