condition	mean	min	max
4 h after light	4.9342500000000005	4.87969	4.96816
8 h after light	4.90812	4.84176	4.98842
12 h after light	4.829746666666667	4.67734	4.95078
4 h after dark	4.9241633333333334	4.815930000000001	5.10584
8 h after dark	4.87504	4.82895	4.94757
12 h after dark	4.84295	4.79306	4.91341