condition	mean	min	max
0 h after light	1.8763999999999998	1.80523	1.94757
4 h after light	2.11654	1.76865	2.46443
8 h after light	1.90889	1.41355	2.40423
4 h after dark	2.800955	2.6015	3.00041
8 h after dark	2.266115	2.25661	2.27562
12 h after dark	2.468255	2.42686	2.50965