condition	mean	min	max
4 h after light	5.148863333333333	4.59002	5.5385
8 h after light	5.71863	5.45749	5.85548
12 h after light	5.88387	5.78739	6.03647
4 h after dark	5.82488	5.7262900000000005	5.88644
8 h after dark	5.79521	5.55417	6.17724
12 h after dark	5.559853333333334	5.05281	5.83215