condition	mean	min	max
4 h after light	2.840465	2.28483	3.3961
8 h after light	3.3425599999999998	3.26165	3.42347
12 h after light	3.3306699999999996	3.17052	3.49082
4 h after dark	4.283283333333333	3.63802	5.47561
8 h after dark	2.5577633333333334	2.24822	3.01935
12 h after dark	2.7719266666666664	2.64345	3.00383