condition	mean	min	max
4 h after light	5.86711	5.50166	6.20486
8 h after light	6.252083333333333	6.18729	6.295
12 h after light	6.332643333333333	6.1476	6.42586
4 h after dark	6.029493333333333	5.752190000000001	6.17747
8 h after dark	6.002676666666667	5.92974	6.13489
12 h after dark	5.90842	5.65988	6.162319999999999