condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.4599985 0.0 0.919997 8 h after light 0.0 0.0 0.0 12 h after light 0.227346 0.0 0.454692 2 h after dark 0.253372 0.0 0.506744 4 h after dark 0.0 0.0 0.0 8 h after dark 1.27302 0.0 2.54604 12 h after dark 0.2323805 0.0 0.464761