condition	mean	min	max
4 h after light	2.01517	1.81825	2.232
8 h after light	1.807384	0.399702	2.87555
12 h after light	1.99209	1.13633	3.05597
4 h after dark	2.488513333333333	1.68553	3.52913
8 h after dark	1.91221	1.40926	2.39417
12 h after dark	1.2630396666666668	0.801319	1.77239