condition mean min max 3 h after light 0.083422 0.0 0.250266 6 h after light 0.05502833333333334 0.0 0.165085 9 h after light 0.09390666666666668 0.0 0.28172 12 h after light 0.049797 0.0 0.149391 3 h after dark 0.0 0.0 0.0 6 h after dark 0.06007066666666667 0.0 0.180212 9 h after dark 0.0 0.0 0.0 12 h after dark 0.134185 0.0 0.224403