condition	mean	min	max
4 h after light	2.4366250000000003	2.23463	2.63862
8 h after light	2.07626	1.86355	2.28897
12 h after light	2.4127400000000003	2.36545	2.46003
4 h after dark	2.71181	2.62517	2.77062
8 h after dark	2.9520133333333334	2.73923	3.2446
12 h after dark	2.151126666666667	1.56068	2.62732