condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.04298455 0.0 0.0859691 8 h after light 0.04294295 0.0 0.0858859 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