condition	mean	min	max
4 h after light	2.849419	2.7831200000000003	2.945826
8 h after light	2.1072203333333333	1.454315	2.565794
12 h after light	1.4628163333333333	1.403601	1.5706129999999998
16 h after light	2.956059333333333	2.71807	3.402738
4 h after dark	3.683846333333333	2.649841	5.685969999999999
8 h after dark	2.816252	1.699848	3.608503