condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1077279 0.0 0.269828 12 h after light 0.041985633333333335 0.0 0.088672 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0