condition	mean	min	max
4 h after light	3.9885943333333334	3.8607160000000005	4.15485
8 h after light	2.8318630000000002	1.9893889999999999	3.272087
12 h after light	1.9659226666666667	1.813209	2.1964810000000003
16 h after light	3.9310853333333333	3.3605519999999998	4.603019000000001
4 h after dark	3.235631666666667	2.910921	3.761536
8 h after dark	5.827285666666667	2.262274	9.699308