condition mean min max 0 h after light 0.1466235 0.0 0.293247 2 h after light 0.84968 0.0 1.69936 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.55158 0.0 1.10316 2 h after dark 0.0 0.0 0.0 4 h after dark 0.3268318 0.0657796 0.587884 8 h after dark 0.19433 0.0 0.38866 12 h after dark 0.745575 0.0 1.49115