condition	mean	min	max
4 h after light	9.847010000000001	8.84842	10.8456
8 h after light	9.47157	9.08001	9.86313
12 h after light	11.28615	10.6651	11.9072
4 h after dark	17.55695	17.0981	18.0158
8 h after dark	15.928999999999998	15.6763	16.1817
12 h after dark	14.131	13.7176	14.5444