condition mean min max 4 h after light 29.26215 28.9358 29.5885 8 h after light 21.98865 20.515 23.4623 12 h after light 24.4254 23.0846 25.7662 4 h after dark 23.8578 23.2529 24.4627 8 h after dark 47.0419 45.4392 48.6446 12 h after dark 34.6265 32.0488 37.2042