condition	mean	min	max
4 h after light	3.13963	2.59226	3.687
8 h after light	2.246655	2.17183	2.32148
12 h after light	4.13281	3.429	4.83662
4 h after dark	9.88015	8.2259	11.5344
8 h after dark	6.40086	6.2271	6.57462
12 h after dark	5.51827	5.17816	5.85838