condition	mean	min	max
4 h after light	3.1581353333333335	3.0299970000000003	3.28841
8 h after light	2.306632	1.512497	2.743034
12 h after light	1.5381690000000001	1.372277	1.7308130000000002
16 h after light	3.0608323333333334	2.618505	3.541494
4 h after dark	2.535985	2.239369	2.971678
8 h after dark	1.788342	1.636914	2.062177