condition	mean	min	max
0 h after light	8.44097	8.34096	8.54098
4 h after light	7.02036	6.99096	7.04976
8 h after light	5.13811	4.94244	5.33378
4 h after dark	8.430064999999999	7.01665	9.84348
8 h after dark	7.606625	7.33194	7.88131
12 h after dark	7.812725	7.60905	8.0164