condition	mean	min	max
4 h after light	3.42182	2.79397	4.04967
8 h after light	4.590175	4.51143	4.66892
12 h after light	5.595665	5.14924	6.04209
4 h after dark	6.2513749999999995	5.60725	6.8955
8 h after dark	5.262465000000001	5.197	5.32793
12 h after dark	5.093945	4.84196	5.34593