condition	mean	min	max
4 h after light	5.713243333333334	5.50798	5.8486400000000005
8 h after light	5.864763333333333	5.77209	5.96441
12 h after light	5.63705	5.48195	5.81865
4 h after dark	6.187726666666667	6.11319	6.2998
8 h after dark	6.09922	5.923030000000001	6.27532
12 h after dark	5.852580000000001	5.6645900000000005	5.97463