condition	mean	min	max
0 h after light	3.1313250000000004	2.9693	3.29335
4 h after light	2.75231	2.33198	3.17264
8 h after light	2.507135	2.40766	2.60661
4 h after dark	2.7849399999999997	2.41117	3.15871
8 h after dark	3.2415950000000002	3.06273	3.42046
12 h after dark	2.66261	2.54458	2.78064