condition	mean	min	max
4 h after light	12.2447	12.1591	12.3303
8 h after light	9.698455	9.52591	9.871
12 h after light	12.5139	11.9375	13.0903
4 h after dark	15.86785	14.6154	17.1203
8 h after dark	14.82165	14.8085	14.8348
12 h after dark	14.19585	14.029	14.3627