condition	mean	min	max
3 h after light	8.55509	6.23245	11.9873
6 h after light	5.24286	2.94091	8.08156
9 h after light	3.20825	1.81266	5.16281
12 h after light	9.1709775	2.42411	23.4425
3 h after dark	11.103873333333333	8.92292	12.7901
6 h after dark	16.453133333333334	15.2152	18.437
9 h after dark	18.0711	16.1493	20.3213
12 h after dark	21.87495	21.5027	22.2472