condition	mean	min	max
0 h after light	5.149195	4.62831	5.67008
4 h after light	3.00589	2.58814	3.42364
8 h after light	2.79643	2.49319	3.09967
4 h after dark	4.290275	3.19687	5.38368
8 h after dark	3.94496	3.64997	4.23995
12 h after dark	3.26199	2.83123	3.69275