condition	mean	min	max
4 h after light	1.8680866666666667	1.67699	2.15132
8 h after light	2.39553	1.04921	3.80166
12 h after light	2.8385	1.6322	4.55425
4 h after dark	4.48253	1.93684	6.2286
8 h after dark	2.96451	1.78839	4.00309
12 h after dark	2.59278	2.29941	3.13615