condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0291951 0.0 0.0875853 12 h after light 0.019188433333333334 0.0 0.0575653 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