condition	mean	min	max
0 h after light	3.993925	3.23447	4.75338
4 h after light	4.576269999999999	4.11227	5.04027
8 h after light	3.45845	3.01274	3.90416
4 h after dark	2.691245	2.38765	2.99484
8 h after dark	3.06041	3.00322	3.1176
12 h after dark	2.523365	2.41828	2.62845