condition	mean	min	max
4 h after light	2.5908713333333333	2.5001830000000003	2.697293
8 h after light	1.966912	1.5068190000000001	2.266054
12 h after light	1.317077	1.250161	1.405589
16 h after light	2.6391686666666665	2.315537	3.1062279999999998
4 h after dark	2.1343063333333334	2.007516	2.358343
8 h after dark	1.4519596666666665	1.386002	1.502146