condition	mean	min	max
4 h after light	1.960415	1.608	2.31283
8 h after light	1.132805	1.12176	1.14385
12 h after light	1.3977849999999998	1.301	1.49457
4 h after dark	4.005005	3.47868	4.53133
8 h after dark	3.49474	3.1368	3.85268
12 h after dark	2.985395	2.65852	3.31227