condition	mean	min	max
4 h after light	5.10239	4.25567	5.94911
8 h after light	5.25659	5.21682	5.29636
12 h after light	6.253920000000001	5.76552	6.74232
4 h after dark	8.7385	8.5854	8.8916
8 h after dark	7.356975	7.16564	7.54831
12 h after dark	6.420165	5.81529	7.02504