condition	mean	min	max
0 h after light	9.505115	9.0461	9.96413
4 h after light	4.3665	4.23029	4.50271
8 h after light	5.151275	4.86013	5.44242
4 h after dark	6.435585	6.01434	6.85683
8 h after dark	7.07968	6.28817	7.87119
12 h after dark	7.694	5.64456	9.74344