condition mean min max 2 h after light 0.15564283333333334 0.0 0.933857 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.144391 0.0 0.866346 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0