condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.21109533333333333 0.0 0.633286 9 h after light 0.15940433333333334 0.0 0.478213 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0