condition	mean	min	max
4 h after light	7.12141	5.56286	8.58121
8 h after light	7.736506666666666	2.83878	12.4301
12 h after light	9.246863333333334	4.7858	13.3676
4 h after dark	11.75408	9.83694	13.3888
8 h after dark	9.17269	7.16757	11.7558
12 h after dark	6.75719	6.10849	7.23472