condition	mean	min	max
4 h after light	3.928983333333333	1.98907	5.8221
8 h after light	2.3423553333333333	0.402596	4.20435
12 h after light	2.09798	1.49555	2.8837
4 h after dark	3.2705100000000003	1.46253	4.27008
8 h after dark	2.6131933333333333	1.34702	3.24844
12 h after dark	2.76761	1.64733	3.74778