condition	mean	min	max
0 h after light	8.911725	7.44135	10.3821
4 h after light	15.78665	11.9739	19.5994
8 h after light	6.799384999999999	6.54569	7.05308
4 h after dark	13.62506	9.37902	17.8711
8 h after dark	17.1192	17.0905	17.1479
12 h after dark	11.51519	8.92228	14.1081