condition mean min max 3 h after light 15.632366666666666 15.1573 16.0669 6 h after light 9.862870000000001 7.80911 10.9915 9 h after light 6.336543333333333 4.9112 8.20154 12 h after light 4.69303 4.11851 5.31552 3 h after dark 5.10678 3.86026 6.17885 6 h after dark 4.88262 3.47772 5.77258 9 h after dark 15.2004 14.0821 17.0144 12 h after dark 21.795233333333332 21.3001 22.3783