condition	mean	min	max
0 h after light	2.353965	2.06657	2.64136
4 h after light	2.072775	1.96726	2.17829
8 h after light	1.9310550000000002	1.90355	1.95856
4 h after dark	2.7692	2.38897	3.14943
8 h after dark	2.6776	2.54788	2.80732
12 h after dark	1.901305	1.80999	1.99262