condition	mean	min	max
4 h after light	4.663356666666666	2.18469	7.3278
8 h after light	3.177587	0.703711	5.51324
12 h after light	4.12769	2.48752	6.47116
4 h after dark	6.96319	5.48332	8.47532
8 h after dark	5.9667	4.00127	7.21964
12 h after dark	5.226806666666667	4.40511	6.64921