condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.13437860000000001 0.0912952 0.177462 4 h after dark 0.0 0.0 0.0 8 h after dark 0.13286715 0.0890743 0.17666 12 h after dark 0.0 0.0 0.0