condition	mean	min	max
4 h after light	2.481985	2.10933	2.85464
8 h after light	3.19772	3.10017	3.29527
12 h after light	2.39965	1.67411	3.12519
4 h after dark	5.02529	4.90263	5.14795
8 h after dark	3.709355	3.49639	3.92232
12 h after dark	3.787465	3.47277	4.10216