condition	mean	min	max
4 h after light	1.9335900000000001	1.63862	2.289
8 h after light	3.0621933333333335	2.03124	3.71578
12 h after light	6.5607033333333336	5.00996	8.36313
4 h after dark	4.532003333333334	4.01591	5.32434
8 h after dark	2.86508	1.95422	3.37254
12 h after dark	2.25999	1.77132	2.81097