condition	mean	min	max
4 h after light	3.830678333333333	3.592689	4.257889
8 h after light	2.5943323333333335	1.694952	3.0651990000000002
12 h after light	2.0820136666666667	1.554481	2.751458
16 h after light	4.854819	3.835429	6.482330999999999
4 h after dark	4.480941	2.6646080000000003	7.309836
8 h after dark	2.3159006666666664	1.747783	2.7554369999999997