condition	mean	min	max
4 h after light	74.465683	74.311255	74.620111
8 h after light	87.9764855	80.951658	95.001313
12 h after light	67.7379765	67.015802	68.460151
4 h after dark	66.0489635	62.327966	69.769961
8 h after dark	69.92534699999999	67.737118	72.113576
12 h after dark	62.800519	62.800519	62.800519