condition	mean	min	max
0 h after light	3.33484	3.02318	3.6465
4 h after light	6.174785	6.16772	6.18185
8 h after light	6.99419	6.39986	7.58852
4 h after dark	9.944949999999999	9.7016	10.1883
8 h after dark	7.94392	7.83286	8.05498
12 h after dark	4.24	3.01374	5.46626