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 0.0 0.0 0.0 8 h after light 0.0978345 0.0 0.195669 12 h after light 0.108137 0.0 0.216274 2 h after dark 0.0 0.0 0.0 4 h after dark 0.094495 0.0 0.18899 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0