condition	mean	min	max
4 h after light	5.1921800000000005	4.59534	5.78902
8 h after light	3.2477850000000004	3.24054	3.25503
12 h after light	3.809895	3.45377	4.16602
4 h after dark	3.899485	3.50476	4.29421
8 h after dark	3.47419	3.42143	3.52695
12 h after dark	4.05469	3.93258	4.1768