condition	mean	min	max
4 h after light	2.3574	1.93251	2.78229
8 h after light	2.073395	1.70679	2.44
12 h after light	2.093795	1.84746	2.34013
4 h after dark	2.766925	1.87216	3.66169
8 h after dark	2.67962	2.51006	2.84918
12 h after dark	2.740125	2.14967	3.33058