condition	mean	min	max
4 h after light	7.879485000000001	7.70597	8.053
8 h after light	6.699635	6.68479	6.71448
12 h after light	9.608360000000001	9.20632	10.0104
4 h after dark	7.267353333333333	5.03672	9.67917
8 h after dark	4.947746666666667	2.90592	6.88635
12 h after dark	8.529663333333334	8.05711	8.85064