condition	mean	min	max
4 h after light	2.066865	1.82928	2.30445
8 h after light	1.9527549999999998	1.75504	2.15047
12 h after light	1.811125	1.50498	2.11727
4 h after dark	1.885875	1.73882	2.03293
8 h after dark	2.217085	2.1374	2.29677
12 h after dark	2.719825	2.35992	3.07973