condition mean min max 4 h after light 4.38417 3.79213 4.97621 8 h after light 11.211950000000002 11.063 11.3609 12 h after light 20.97405 19.8295 22.1186 4 h after dark 25.095950000000002 24.1703 26.0216 8 h after dark 18.587200000000003 18.4019 18.7725 12 h after dark 11.4309 11.1772 11.6846