condition mean min max 0 h after light 13.94355 12.8157 15.0714 4 h after light 34.9518 26.1868 43.7168 8 h after light 30.55025 29.4944 31.6061 4 h after dark 24.5082 16.235 32.7814 8 h after dark 46.94795 43.5363 50.3596 12 h after dark 20.501649999999998 16.5082 24.4951