condition	mean	min	max
4 h after light	3.0402649999999998	2.9279	3.15263
8 h after light	4.36181	3.21494	5.50868
12 h after light	3.265575	2.74603	3.78512
4 h after dark	2.04833	1.86887	2.39885
8 h after dark	1.38444	1.09959	1.69555
12 h after dark	2.24743	1.53041	3.36047