condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0012883866666666666 0.0 0.00386516 8 h after dark 0.0 0.0 0.0 12 h after dark 0.000209938 0.0 0.000629814