condition	mean	min	max
4 h after light	8.20538	7.42756	8.9832
8 h after light	9.076080000000001	8.64765	9.50451
12 h after light	8.894055000000002	8.5774	9.21071
4 h after dark	13.518550000000001	12.8658	14.1713
8 h after dark	13.54475	12.6005	14.489
12 h after dark	11.03745	10.6913	11.3836