condition	mean	min	max
4 h after light	3.578615	1.79976	5.35747
8 h after light	8.88575	6.8352	10.9363
12 h after light	8.131755	4.45221	11.8113
4 h after dark	9.390080000000001	7.10586	11.6743
8 h after dark	9.124305	8.97051	9.2781
12 h after dark	7.517284999999999	5.81915	9.21542