condition	mean	min	max
4 h after light	9.515556666666667	9.17809	9.78462
8 h after light	9.83796	9.414060000000001	10.29752
12 h after light	9.848320000000001	9.52905	10.110610000000001
4 h after dark	9.619243333333333	9.245330000000001	9.97005
8 h after dark	9.544926666666667	9.194519999999999	9.77811
12 h after dark	9.484046666666666	9.18374	9.73741